WO2019039090A1 - Electron mirror system - Google Patents

Electron mirror system Download PDF

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Publication number
WO2019039090A1
WO2019039090A1 PCT/JP2018/024947 JP2018024947W WO2019039090A1 WO 2019039090 A1 WO2019039090 A1 WO 2019039090A1 JP 2018024947 W JP2018024947 W JP 2018024947W WO 2019039090 A1 WO2019039090 A1 WO 2019039090A1
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WO
WIPO (PCT)
Prior art keywords
vehicle
display
imaging
image
monitor
Prior art date
Application number
PCT/JP2018/024947
Other languages
French (fr)
Japanese (ja)
Inventor
良充 稲森
武彦 中川
えり 柳川
Original Assignee
シャープ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by シャープ株式会社 filed Critical シャープ株式会社
Publication of WO2019039090A1 publication Critical patent/WO2019039090A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/20—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/22—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle
    • B60R1/23—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view
    • B60R1/26—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view to the rear of the vehicle
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Definitions

  • the present invention relates to an electronic mirror system that projects an image obtained by imaging the periphery of a vehicle on a display device.
  • Patent Document 1 An electronic mirror system has already been known that projects an image obtained by imaging the surroundings of a vehicle on a display device in the vehicle (for example, Patent Document 1).
  • the driving condition for low-speed traveling, high-speed traveling, left turn, right turn, video when displayed on the display device for the user driving the vehicle
  • the user's recognition range of the display area in the display device of the electronic mirror system is wide at low speed traveling of the vehicle and narrow at high speed traveling due to human visual characteristics.
  • the recognition range of the display area is not narrowed in consideration of human visual characteristics, information outside the recognition range displayed in the display area enters the user's eyes and the user's eyes are tired A problem arises.
  • An aspect of the present invention aims to realize an electronic mirror system that makes it easy for a user driving a vehicle to display an image displayed on a display device according to a driving situation.
  • an electronic mirror system concerning one mode of the present invention is carried in vehicles, an imaging device which picturizes at least back of the vehicles concerned, and the above-mentioned vehicles are carried and it is imaged by the above-mentioned imaging devices
  • FIG. 2 is a schematic view of the inside of a vehicle equipped with the electronic mirror system shown in FIG. It is a table which shows the setting conditions used with the electronic mirror system shown in FIG. It is a table which shows the setting conditions used with the electronic mirror system shown in FIG. It is a table which shows the setting conditions used with the electronic mirror system shown in FIG. It is a table which shows the setting conditions used with the electronic mirror system shown in FIG. It is a figure which shows an example of the captured image image
  • FIG. It is a figure which shows an example of the display state of the monitor projected on the setting conditions shown in FIG. It is a figure which shows an example of the captured image image
  • (A) is a figure which shows the change of the size of the imaging range according to the vehicle speed
  • (b) is a figure which shows an example of the image of the monitor which showed the imaging range according to the vehicle speed shown to (a). is there. It is a figure showing an example of change of a display state of a projected image. It is a figure for demonstrating the visibility required range of a door mirror. It is a figure which shows the display condition of an image when the door mirror using a mirror is substituted to an electronic mirror.
  • Embodiment 1 It will be as follows if one embodiment of the present invention is described. In the present embodiment and the other embodiments, the vehicle will be described on the assumption that the vehicle has four wheels with a right handle. However, the electronic mirror system according to the present invention can be mounted not only on the above-mentioned right-handed four-wheeled automobile but also on the left-handed four-wheeled automobile. Furthermore, the electronic mirror system according to the present invention can be mounted on a four-wheeled automobile, regardless of the type, such as a small-sized car, a medium-sized car, a large-sized car, a truck, or a bus.
  • FIG. 2 shows an outline of the interior of the car 1 according to the present embodiment.
  • the automobile 1 is a right door camera (imaging device) 21 that images at least the rear right landscape of the automobile 1, and a left door camera (an imaging device that images at least the rear left of the automobile 1 22) a right in-vehicle monitor (display device) 31 for projecting an image captured by the right door camera 21; and a left in-vehicle monitor (display device) 32 for projecting an image captured by the left door camera 22.
  • imaging device 21 imaging device
  • a left door camera an imaging device that images at least the rear left of the automobile 1 22
  • a right in-vehicle monitor (display device) 31 for projecting an image captured by the right door camera 21
  • a left in-vehicle monitor (display device) 32 for projecting an image captured by the left door camera 22.
  • the right door camera 21 and the left door camera 22 are composed of a CCD / CMOS camera or the like, and are installed on the front sides of the automobile 1. That is, the right door camera 21 and the left door camera 22 are installed in place of the place where the door mirror is installed in the conventional automobile.
  • the installation positions of the right door camera 21 and the left door camera 22 are not limited to the current position of the door mirror, but the positions equivalent to the range displayed on the current door mirror can be imaged or the current door mirror It may be a position at which a wider range including the range can be imaged.
  • the right door camera 21 and the left door camera 22 can perform enlargement and reduction and change of the angle of view as necessary.
  • the right door camera 21 and the left door camera 22 will be described by way of an example in which the scenery behind the car 1 is imaged, but the scenery in the side and the front may be imaged.
  • the right in-vehicle monitor 31 and the left in-vehicle monitor 32 are composed of a liquid crystal display device, an organic EL device, and the like, and are disposed in an instrument panel on the front of the driver's seat on which a speedometer and the like are disposed.
  • the arrangement position of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 is not limited to the example shown in FIG. 1 and may be any position at which the driver can visually recognize.
  • the right in-vehicle monitor 31 and the left in-vehicle monitor 32 may be able to simultaneously display the images captured by the right door camera 21 and the left door camera 22.
  • the right door camera 21 and the right in-vehicle monitor 31 realize an alternative function of the right side door mirror in the conventional automobile
  • the left door camera 22 and the left in-vehicle monitor 32 realize the alternative function of the left door mirror in the conventional automobile.
  • the electronic mirror system according to the present embodiment for realizing the alternative function of these door mirrors will be described below.
  • FIG. 1 is a block diagram showing a schematic configuration of an electronic mirror system 101 according to the present embodiment.
  • the electronic mirror system 101 includes a control unit (display control device, imaging control device) 10, right door camera 21, left door camera 22, right in-vehicle monitor 31, left in-vehicle monitor 32, blinkers 41, vehicle speed It has a detection device 42, an illuminance sensor 43, an operation unit 44 and the like.
  • a control unit display control device, imaging control device
  • right door camera 21, left door camera 22, right in-vehicle monitor 31, left in-vehicle monitor 32 blinkers 41, vehicle speed It has a detection device 42, an illuminance sensor 43, an operation unit 44 and the like.
  • the control unit 10 is a control unit that controls the right door camera 21, the left door camera 22, the right in-vehicle monitor 31, and the left in-vehicle monitor 32, and includes the image processing unit 11, the operation setting unit 12, the in-vehicle device information acquisition unit 13, An on-vehicle environment information acquisition unit 14, a driver information acquisition unit 15, and a DB (database) 18 are included.
  • the image processing unit 11 processes the images acquired from the right door camera 21 and the left door camera 22 so as to be displayed in a desired display state according to the setting conditions set by the operation setting unit 12, and the right door camera 21.
  • the image acquired from the right in-vehicle monitor 31 and the image acquired from the left door camera 22 are output to the left in-vehicle monitor 32.
  • the setting condition indicates a method of displaying an image associated with driving condition information indicating the driving condition of the vehicle.
  • the display method of the video is stored as each table in the DB 18. Details of this table will be described later.
  • the operation setting unit 12 refers to a DB 18 described later according to the information acquired by the in-vehicle device information acquisition unit 13, the in-vehicle environment information acquisition unit 14, and the driver information acquisition unit 15.
  • the operation e.g., enlargement ratio
  • the operation setting unit 12 sends information on the operation of the right door camera 21, the left door camera 22, the right in-vehicle monitor 31, and the left in-vehicle monitor 32 to the video processing unit 11 as a setting condition.
  • the in-vehicle device information acquisition unit 13 acquires information from in-vehicle devices such as the blinker 41 used when turning the left or right of the vehicle 1 and the vehicle speed detection device 42 that detects the vehicle speed of the vehicle 1.
  • the driver information acquiring unit 15 acquires driver information indicating the driver's age, gender, etc. input by the operation unit 44. As a result, the contour of the object is enhanced to improve the driver's visibility / reduce fatigue, or the image is processed into an image whose luminance is reduced as a whole.
  • (DB18) 3 to 5 show the tables stored in the DB 18.
  • 6 to 11 show imaging states of the right door camera 21 and the left door camera 22 using the tables shown in FIGS. 3 to 5, and display states of the right in-vehicle monitor 31 and the left in-vehicle monitor 32.
  • the table shown in FIG. 3 indicates an input state of in-vehicle device information from on-vehicle devices such as the blinker 41 and the vehicle speed detection device 42, a side view of the operation unit 44, and an input state of a button of MK (indicator display).
  • the table shown in FIG. 4 indicates the input state of in-vehicle device information from the on-vehicle devices such as the blinker 41 and the vehicle speed detection device 42, and the input state such as the zoom button of the operation unit 44.
  • the table shown in FIG. 5 shows the input state of the in-vehicle device information of the turn signal indicator 41, and the selection state of the appearance improvement.
  • the table shown in FIG. 3 is used when changing the camera image range displayed by the right in-vehicle monitor 31 and the left in-vehicle monitor 32 according to the vehicle speed.
  • the stop is 0 km per hour
  • the low speed is about 0 km to 30 km per hour
  • the medium speed is about 30 km to 60 km per hour
  • the high speed is 60 km per hour or more.
  • the definition of the vehicle speed is the same as in the table shown in FIG.
  • the vehicle speed described in the above tables shown in FIGS. 3 and 4 is stopped (0 km / hr), low speed (0 km-30 km / hr), medium speed (30 km-60 km / hr), high speed
  • it is classified into four types (from 60 km / h), it is not limited to this.
  • the operation setting unit 12 sends the corresponding setting conditions of the table shown in FIG. 3 to the image processing unit 11, the right door camera 21, and the left door camera 22 from the information acquired from the blinker 41, the vehicle speed detection device 42, and the operation unit 44. .
  • the right door camera 21 and the left door camera 22 capture images under the corresponding conditions shown in FIG. 6, and the image processing unit 11 displays them under the corresponding conditions shown in FIG. Process to become a
  • (a) to (i) in FIG. 3 correspond to (a) to (i) in FIGS. Details of an example of changing the range of the camera image displayed on the monitor according to the vehicle speed will be described later.
  • the table shown in FIG. 4 is used when changing the enlargement ratio of the camera image displayed on the left in-vehicle monitor 32 according to the vehicle speed.
  • the operation setting unit 12 sends the corresponding setting conditions of the table shown in FIG. 4 to the image processing unit 11 and the left door camera 22 from the information acquired from the blinker 41, the vehicle speed detection device 42 and the operation unit 44.
  • the left door camera 22 changes the magnification to capture images under the corresponding conditions shown in FIG. 8, and the image processing unit 11 displays the images under the corresponding conditions shown in FIG. Process to become a
  • (a) to (f) in FIG. 4 correspond to (a) to (f) in FIGS. Details of an example in which the magnification of the camera image displayed on the monitor is changed according to the vehicle speed will be described later.
  • the table shown in FIG. 5 is used when changing the appearance of camera images displayed on the right in-vehicle monitor 31 and the left in-vehicle monitor 32 by the display captured by the right door camera 21 and the left door camera 22 according to the external environment. .
  • the operation setting unit 12 sends the corresponding setting conditions of the table shown in FIG. 5 to the image processing unit 11, the right in-vehicle monitor 31, and the left in-vehicle monitor 32 from the information acquired from the blinkers 41 and the illuminance sensor 43.
  • the right in-vehicle monitor 31 and the left in-vehicle monitor 32 process the picked up image shown in FIG. 10 into an image displayed under the corresponding condition shown in FIG. Do.
  • (a) to (d) in FIG. 5 correspond to (a) to (d) in FIGS. Details of an example of changing the appearance of camera images displayed on the right door camera 21 and the left door camera 22 according to the external environment will be described later.
  • Example 1 An example of changing the range of the camera image displayed on the monitor according to the vehicle speed will be described below with reference to FIGS. 12 and 13.
  • FIG. 12 shows the change in the size of the field of view according to the vehicle speed.
  • FIG. 13 shows an example of the display state of the monitor according to the vehicle speed shown in FIG.
  • the visual fields 21 a and 22 a when the mirror door mirrors are installed at the positions of the right door camera 21 and the left door camera 22 gradually become wider toward the rear of the car 1 as shown in FIG. 12. That is, in the mirror door mirror, the ones near to the car 1 appear large and the ones far from the car 1 small regardless of the speed.
  • the visibility is wide when the speed of the car 1 is slow and low, and the view is narrow when the speed of the car 1 is fast and high.
  • the field of view is widened at low speed, the field of view is narrowed at high speed, and the field of view is intermediate between low speed and high speed at medium speed.
  • the range b seen by the electronic mirror system is made wider than the range a seen by the door mirror of the mirror.
  • the range b seen by the electronic mirror system is wider than the range a seen by the mirror door mirror and narrower than the range seen by the electronic mirror system at low speed to be a range b '.
  • the area c generated during medium and high speed is a part where the video flows at high speed (that is, a part where the display is switched at high speed or a part where the display content changes rapidly) and becomes an area difficult for the user to recognize Therefore, in (A) of FIG. 13, processing such as blurring the area c or lowering the luminance is performed, and in (B) of FIG. 13, processing for black display is performed.
  • FIG. 12 and FIG. 13 the display of the left in-vehicle monitor 32 has been described, but when the right door camera 21 and the left door camera 22 are interlocked, the right in-vehicle monitor 31 is also right according to the vehicle speed. The range of the camera image displayed on the in-vehicle monitor 31 changes.
  • the settings of the right door camera 21, the left door camera 22, the right in-car monitor 31, and the left in-car monitor 32 according to the vehicle speed are referred to by the operation setting unit 12 with reference to the table (FIG. 3) stored in the DB 18 described above. Be done.
  • the operation setting unit 12 outputs the setting conditions (a) to (d) of the table shown in FIG. 3 to the video processing unit 11 according to the detection result by the vehicle speed detection device 42 and the video processing unit 11
  • An example in which the display states of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 are changed in accordance with the setting condition will be described.
  • the setting condition of (a) of FIG. 3 indicates stop.
  • the image processing unit 11 displays both the right in-vehicle monitor 31 and the left in-vehicle monitor 32 on the entire surface (displaying the entire display area of the display device).
  • the setting conditions of (b) of FIG. 3 indicate low speed.
  • the video processing unit 11 blurs an area of a part (small) of the right side of the right in-vehicle monitor 31 in the display area displaying the captured video.
  • the left part (small) area of the left in-vehicle monitor 32 is displayed to be blurred.
  • the setting condition of (c) of FIG. 3 shows medium speed.
  • the video processing unit 11 blurs an area of a part (middle) on the right side of the right in-vehicle monitor 31 in the display area displaying the captured video.
  • the left part (middle) area of the left in-vehicle monitor 32 is displayed to be blurred.
  • the size of the blurred portion is larger than the size of the blurred portion at low speed.
  • the setting conditions of (d) of FIG. 3 indicate high speed.
  • the video processing unit 11 blurs an area of a part (large) of the right side of the right in-vehicle monitor 31 in the display area displaying the captured video.
  • the left part (large) area of the left in-vehicle monitor 32 is displayed to be blurred.
  • the size of the blurred portion is larger than the size of the blurred portion at medium speed.
  • the clear area of the image displayed on the right in-vehicle monitor 31 and the left in-vehicle monitor 32 gradually decreases. Then, among the display areas of the images of the right in-vehicle monitor 31 and the left in-vehicle monitor 32, other information (MK indicator) different from the image is overlapped other than the area where the image is maintained in a clear state even by the speed increase. Is displayed.
  • the MK indicator is turned on (the MK indicator is displayed).
  • the MK indicator is displayed on a portion hidden on the right in-vehicle monitor 31 and the left in-vehicle monitor 32.
  • the MK indicator is superimposed (Superimposed)
  • both the right in-vehicle monitor 31 and the left in-vehicle monitor 32 are forcibly displayed on the entire surface as shown in (i) of FIG. (The entire display area of the display device may be displayed).
  • the MK indicator is displayed by gradually blurring the area in which the MK indicator is displayed among the display areas displaying the captured video. It can be sharpened.
  • the color of the blurred area may be gradually darkened to increase the contrast with the display color of the MK indicator, and the MK indicator may be sharpened.
  • the automobile 1 is equipped with a side view function for displaying the left and right images of the automobile 1 on a display device.
  • the camera for the side view may be shared by the right door camera 21 and the left door camera 22 or may be separately provided. This side view works only at standstill or low speed. Therefore, if the user driving the automobile 1 turns on the button or switch for the side view of the operation unit 44 while the vehicle is stopped or at low speed, for example, the left monitor in (f) or the right monitor in (h) of FIG. Then, the image on the left side or the right side of the car 1 is displayed on the display device.
  • the setting conditions at this time correspond to (f) and (h) in the table shown in FIG.
  • Example 2 An example of changing the range of the camera image displayed on the monitor according to the operation of the blinker 41 will be described below with reference to FIG.
  • FIG. 14 shows the change of the magnitude
  • (b) shows an example of the display state of the monitor according to the vehicle speed shown to (a).
  • the range of camera images displayed on the operated right in-vehicle monitor 31 and the left in-vehicle monitor 32 is expanded when the direction indicator 41 of the automobile 1 is operated (right turn operation, left turn operation).
  • the blink image 41 on the left side of the automobile 1 blinks
  • the monitor image does not blink the blinker 41 (left It changes from a display area a of no blinker and right blinker) to a display area in which the blinker 41 is blinking (left blinker, right blinker) wider than the display region b.
  • the car 2 existing just beside the blinker 41 that is not visible before blinking is displayed in the enlarged area.
  • the display areas of the right in-car monitor 31 and the left in-car monitor 32 are expanded in conjunction with the blinking of the winker 41, but the present invention is not limited to this. Only the display area of the right in-vehicle monitor 31 or the left in-vehicle monitor 32 may be enlarged.
  • the settings of the right door camera 21, the left door camera 22, the right in-car monitor 31, and the left in-car monitor 32 according to the operation of the winker 41 are stored in the above-mentioned DB 18 by the operation setting unit 12 (FIG. 3) It is done with reference to.
  • enlargement of the display area will be described in the case of high speed traveling without right and left interlocking.
  • the operation setting unit 12 outputs the setting conditions of (e) and (g) of the table shown in FIG. 3 to the image processing unit 11 according to whether the blink of the blinker 41 is right or left.
  • An example in which the display states of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 are changed in the processing unit 11 according to the setting conditions will be described.
  • the setting condition of (e) in FIG. 3 indicates a condition in which the blinker 41 blinks at the time of left turn at all vehicle speeds from the stop state.
  • the image processing unit 11 displays the entire left in-vehicle monitor 32 (displays the entire display area of the display device).
  • the right in-vehicle monitor 31 maintains the vehicle speed display state at that time. For example, when driving at high speed, the display on the right in-vehicle monitor 31 in FIG. 7D is the same.
  • the setting condition of (g) of FIG. 3 indicates the condition in which the blinker 41 blinks at the time of right turn at all vehicle speeds from the stop state.
  • the image processing unit 11 causes the right in-vehicle monitor 31 to be displayed on the entire surface (display the entire display area of the display device), and the left in-vehicle monitor 32 displays the vehicle speed at that time. Maintain the state. For example, if the vehicle is traveling at high speed, the display on the left in-vehicle monitor 32 shown in FIG.
  • the imaging range of the camera may be changed according to the vehicle speed. This example is described below.
  • Example 3 An example of changing the imaging range of the camera according to the vehicle speed will be described below with reference to FIG.
  • FIG. 15 shows the change of the size of the field of view according to the vehicle speed
  • (b) shows an example of the display state of the monitor according to the vehicle speed shown in (a).
  • the display area of the monitor is not changed according to the vehicle speed, but the camera imaging range is changed according to the vehicle speed as shown in FIG. (B) of FIG. 15 shows a state where the imaging range is narrowed, ie, enlarged, by the zoom function of the left door camera 22 as the vehicle speed increases when imaging with the left door camera 22. That is, the imaging range of the left door camera 22 is set to be wide at low speed and narrow at high speed. This is because, as described in the first embodiment, in general, in the human visual characteristic, the visibility is wide when the speed of the car 1 is slow and low, and the view is narrow when the speed of the car 1 is fast. By widening the imaging range of the left door camera 22 at low speed and narrowing at high speed, it is possible to provide a natural view for the user driving the car 1.
  • the imaging range of the right door camera 21 is also interlocked with the change in the imaging range of the left door camera 22 . That is, the change in the imaging range of the right door camera 21 and the change in the imaging range of the left door camera 22 are linked.
  • the setting of the change in the imaging range of the right door camera 21 and the left door camera 22 according to the vehicle speed is performed by the operation setting unit 12 with reference to the table (FIG. 4) stored in the DB 18 described above.
  • the setting condition according to the vehicle speed detected by the vehicle speed detection device 42 that is, FIG. 4 when the operation setting unit 12 operates the zoom button provided on the operation unit 44, that is, the zoom function is turned on.
  • the setting conditions (a) to (d) of the table shown in FIG. 6 are output to the image processing unit 11, and the image processing unit 11 changes the display states of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 according to the setting conditions. An example will be described.
  • the setting condition of (a) of FIG. 4 indicates stop.
  • the image processing unit 11 causes the left in-vehicle monitor 32 to display an image having a wide imaging range.
  • the camera-captured image in the full display of the left in-vehicle monitor 32 is taken as a reference magnification (1 ⁇ ) when executing the zoom function.
  • the setting condition of (b) of FIG. 4 indicates low speed.
  • the image processing unit 11 causes the left in-vehicle monitor 32 to display an image having a higher enlargement ratio than that at the time of stop.
  • the setting condition of (c) of FIG. 4 shows medium speed.
  • the image processing unit 11 causes the left in-vehicle monitor 32 to display an image with a higher enlargement ratio than that at low speed.
  • the setting condition of (d) in FIG. 4 indicates high speed.
  • the image processing unit 11 causes the left in-vehicle monitor 32 to display an image with a higher magnification (narrowing of the shooting range) than at the middle speed.
  • the vehicle speed is divided into three modes, low speed, medium speed and high speed for convenience, but if the zoom function of the right door camera 21 and the left door camera 22 is originally ON, seamless depending on the vehicle speed Preferably, the magnification ratio (imaging range) is changed.
  • the zoom function of the right door camera 21 and the left door camera 22 can be functioned by using the detection signal of the vehicle speed detection device 42 instead of using the table shown in FIG. 4.
  • the setting conditions shown in (a) to (d) of FIG. 4 are the setting conditions when there is no operation of the blinker, and the image displayed on the right in-vehicle monitor 31 in conjunction with the display on the left in-vehicle monitor 32.
  • the enlargement ratio changes according to the vehicle speed.
  • the left in-vehicle monitor 32 displays the entire image, that is, a wide image of the same imaging range as that at the stop time. In this case, the left in-vehicle monitor 32 and the right in-vehicle monitor 31 are not linked, and the right in-vehicle monitor 31 continues to display an image of the imaging range corresponding to the vehicle speed.
  • the setting condition is (e) of the table shown in FIG. 4, and the display example is (e) of FIG.
  • the zoom function can also be set to OFF.
  • the zoom function when the zoom function is set to OFF, the display according to the vehicle speed and the operation of the turn signal are not performed.
  • the photographed images of the right door camera 21 and the left door camera 22 are as shown in FIG. 8 (f), and the display images of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 are like mirror images as shown in FIG. There is no change as seen on the door mirror.
  • the right in-vehicle monitor 31 and the left in-vehicle monitor 32 are disposed in the vicinity of the steering wheel of the driver's seat, as shown in FIG.
  • the user driving the automobile 1 can move his eyes less than the case of checking the left and right door mirrors for checking the left and right rear. Further advantages are described in Example 4 below.
  • Example 4 Various measures when the right in-vehicle monitor 31 and the left in-vehicle monitor 32 are installed near the steering wheel of the driver's seat will be described below with reference to FIG.
  • FIG. 16 shows an example of the change in the display state of the image projected on the right in-vehicle monitor 31 and the left in-vehicle monitor 32.
  • FIG. 16A shows images (original images) captured from the right door camera 21 and the left door camera 22 respectively.
  • brightness reduction, image sharpening, object detection, and the like are performed on the original image to reduce fatigue of the user driving the automobile 1 and to improve visibility.
  • FIG. 16 shows an example in which the brightness of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 is reduced to the visible level of the displayed image.
  • the visible level may be constant, but the brightness around the right in-car monitor 31 and the left in-car monitor 32 changes according to day, night, in the tunnel, weather, etc. It is necessary to set accordingly.
  • the brightness around the right in-vehicle monitor 31 and the left in-vehicle monitor 32 is detected by the illuminance sensor 43 shown in FIG. 1, and the operation setting unit 12 detects the brightness of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 by this detection signal.
  • the optimal value If an image is displayed with the luminance set at such a visible level, the effect of reducing the fatigue of the user and the effect that the image of the in-vehicle monitor does not disturb the forward visual field are exhibited.
  • the example of setting the viewable level has been described, but conversely, as shown in (c) of FIG. 16, the luminance level is made higher than the original image shown in (a) of FIG.
  • the image may be sharpened to improve the visibility by the user.
  • the brightness level is set to increase when the user operates the brightness up button or when the blinker 41 performs an operation.
  • the change in the brightness of the image displayed on the right in-vehicle monitor 31 and the change in the brightness of the image displayed on the left in-vehicle monitor 32 are interlocked.
  • the blinker 41 when the blinker 41 is operated, only the image on the operated side is sharpened, and the luminance change on the right in-vehicle monitor 31 and the left in-vehicle monitor 32 is performed so as not to sharpen the unoperated side. It is also possible not to interlock.
  • the brightness of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 for displaying an image photographed by the right door camera 21 and the left door camera 22 on the operated side of the winker 41 Is set higher than the luminances of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 for displaying an image captured by the right door camera 21 and the left door camera 22 on the side where the winker 41 is not operating.
  • the setting of how to improve the appearance (brightness, sharpening) of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 is performed by the operation setting unit 12 with reference to the table (FIG. 5) stored in the DB 18 described above.
  • the operation setting unit 12 processes the setting conditions of the blinker operation, the brightness AUTO, the sharpening AUTO, the CANCEL and the operation of the blinker, that is, the setting conditions (a) to (d) of the table shown in FIG. An example in which the display state of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 is changed according to the setting condition in the image processing unit 11 will be described.
  • the luminance AUTO When the luminance AUTO is being executed, the luminances of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 are entirely reduced.
  • sharpening AUTO When sharpening AUTO is executed, the overall brightness of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 is increased.
  • the luminances of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 are made standard.
  • the setting condition of (a) of FIG. 5 indicates that the luminance AUTO is to be executed.
  • the image processing unit 11 entirely reduces the luminance in the right in-vehicle monitor 31 and the left in-vehicle monitor 32.
  • the luminance level can be set for each driver in a state where the driver can sufficiently recognize.
  • the setting conditions of (b) of FIG. 5 indicate that the luminance AUTO and the sharpening AUTO are canceled.
  • the image processing unit 11 sets the brightness / sharpness to be standard at the right in-vehicle monitor 31 and the left in-vehicle monitor 32.
  • "brightness / sharpness” means brightness and sharpness.
  • the setting condition of (c) of FIG. 5 indicates that sharpening AUTO is to be performed.
  • the image processing unit 11 increases the sharpness in the entire in-vehicle monitor 31 and the in-vehicle monitor 32 as a whole.
  • the setting conditions of (d) in FIG. 5 indicate that the luminance AUTO and the sharpening AUTO are performed and the left blinker is operated.
  • the image processing unit 11 uses the brightness / sharpness of the left in-vehicle monitor 32 as a standard and the image sharpness of the right in-vehicle monitor 31 (for example, edge enhancement) Maintain the state of luminance AUTO and sharpening AUTO.
  • the left in-vehicle monitor 32 on the side of operating the left blinker can be easily viewed, and the visibility can be improved.
  • an object is detected from the image captured by the right door camera 21 and the left door camera 22 and detected in the right in-vehicle monitor 31 and the left in-vehicle monitor 32.
  • Information may be displayed.
  • a general image recognition process is used to detect an object.
  • the luminance may be further increased to improve the visibility.
  • FIG. 17 is a diagram for explaining the required field of view of the door mirror.
  • FIG. 18 is a diagram showing a display state of an image when a door mirror using a mirror is replaced with an electronic mirror system.
  • the distance and angle from the driver's seat are different on the left and right, so the way of viewing the left and right door mirrors is different.
  • FIG. 18C shows a second mirror mode in which the display range of the left and right mirrors (the right in-vehicle monitor 31 and the left in-vehicle monitor 32) is expanded in order to make the user get used to the electronic mirror system.
  • the expansion range of the display range of the left mirror (left in-vehicle monitor 32) is made large, and the expansion range of the display range of the right mirror (right in-vehicle monitor 31) is made small.
  • FIG. 18D shows a third mirror mode in which the display range of the left and right mirrors (right in-vehicle monitor 31 and left in-vehicle monitor 32) is expanded to the maximum.
  • the third mirror mode is a mirror mode applied to the electronic mirror system used in the description of the first to fourth embodiments described above.
  • FIG. 19 is a block diagram showing a schematic configuration of the electronic mirror system 102 according to the present embodiment.
  • the electronic mirror system 102 has almost the same configuration as the electronic mirror system 101 (FIG. 1) of the first embodiment, but the functions of the right door camera 51 and the left door camera 52 are different. That is, the right door camera 51 and the left door camera 52 are different from the right door camera 21 and the left door camera 22 shown in FIG. 1 in that the angle of view can be changed according to the vehicle speed and the blinker operation.
  • FIG. 20 is a view for explaining the optimum display at the time of left turn of the automobile 1 on which the electronic mirror system 102 is mounted.
  • FIG. 21 is a view for explaining the optimum display at the time of the right turn of the automobile 1 on which the electronic mirror system 102 is mounted.
  • the left door camera 52 is shown in (b) of FIG. Images are taken with a normal angle of view narrower than the wide angle of view shown in FIG. In this case, as shown in (f) of FIG. 20, the captured image is a part of the motorcycle 3 displayed.
  • the setting of the angle of view of the right door camera 51 and the left door camera 52 is performed by the operation setting unit 12. That is, the operation setting unit 12 determines the detection signal of the vehicle speed detection device 42 and the presence or absence of the operation of the winker 41, and sets the angle of view of the right door camera 51 and the left door camera 52.
  • Each block of the control unit 10 of the electronic mirror system 101 may be realized by a logic circuit (hardware) formed in an integrated circuit (IC chip) or the like, or may be realized by software. In the latter case, the control unit 10 can be configured using a computer (electronic computer).
  • a computer that can be used as the control unit 10 of the electronic mirror system 101 includes an arithmetic unit connected to each other via a bus, a main storage unit, an auxiliary storage unit, an input / output interface, and a communication interface.
  • the arithmetic device, the main storage device, and the auxiliary storage device may each be, for example, a processor (for example, CPU: Central Processing Unit), a RAM (random access memory), or a hard disk drive.
  • Connected to the input / output interface are an input device for the user to input various information to the computer, and an output device for the computer to output various information to the user.
  • the input device and the output device may be built in the computer or may be connected (externally attached) to the computer.
  • the input device may be a keyboard, a mouse, a touch sensor, etc.
  • the output device may be a display, a printer, a speaker, etc.
  • a device having both the functions of an input device and an output device, such as a touch panel in which a touch sensor and a display are integrated may be applied.
  • the communication interface is an interface for the computer to communicate with an external device.
  • the auxiliary storage device stores various programs for causing a computer to operate as the control unit 10 of the electronic mirror systems 101 and 102. Then, the arithmetic unit expands the above-mentioned program stored in the auxiliary storage unit onto the main storage unit and executes an instruction included in the program, whereby the control unit 10 of the electronic mirror systems 101 and 102 performs the computer. It functions as each part equipped.
  • the recording medium provided in the auxiliary storage device for recording information such as a program may be a computer readable “non-temporary tangible medium”, for example, a tape, a disk, a card, a semiconductor memory, a programmable logic circuit Or the like.
  • main storage device may be omitted as long as the computer can execute the program recorded on the recording medium without expanding the program on the main storage device.
  • each of the above-described devices a computing device, a main storage device, an auxiliary storage device, an input / output interface, a communication interface, an input device, and an output device
  • a computing device a main storage device, an auxiliary storage device, an input / output interface, a communication interface, an input device, and an output device
  • the program may be acquired from the outside of the computer, and in this case, may be acquired via any transmission medium (a communication network, a broadcast wave, etc.).
  • the present invention can also be realized in the form of a data signal embedded in a carrier wave in which the program is embodied by electronic transmission.
  • An electronic mirror system is mounted on a vehicle (automobile 1), and an imaging device (right door camera 21, left door camera 22) for imaging at least the rear of the vehicle (automobile 1);
  • a display device (right in-car monitor 31, left in-car monitor 32) mounted on (automobile 1) and displaying an image captured by the imaging device (right door camera 21, left door camera 22), the vehicle (automobile 1)
  • the image captured by the imaging device (right door camera 21, left door camera 22) is displayed on the display device (right in-car monitor 31, left in-car monitor 32) according to the display method of the image associated with the driving condition information shown
  • a display control device control unit 10
  • the image captured by the imaging device is displayed on the display device according to the method of displaying the image associated with the driving status information indicating the driving status of the vehicle. Etc.) can be displayed on the display device. This makes it possible for the user driving the vehicle to easily view the image displayed on the display device according to the driving situation. Therefore, the user can confirm the back and sides safely and safely.
  • the electronic mirror system according to aspect 2 of the present invention further includes a vehicle speed detection device 42 for detecting the speed of the vehicle (car 1) according to aspect 1 above, and the display control device (control unit 10) detects the vehicle speed Depending on the vehicle speed detected by the device 42, the display state of the image displayed on the display device (the right in-vehicle monitor 31, the left in-vehicle monitor 32) may be changed.
  • the display state of the image displayed on the display device changes in accordance with the vehicle speed, and the display area is displayed so that the image displayed on the display device can be viewed optimally according to the speed of the vehicle. It becomes possible to adjust.
  • the display control device displays the display device (the right in-vehicle monitor 31, as the vehicle speed detected by the vehicle speed detection device 42 increases.
  • the clear area of the image displayed on the left in-vehicle monitor 32) may be reduced.
  • the display matches the visual characteristics of human beings, so the eyes of the user driving the vehicle are less tired Become.
  • the display control device displays the image in the display area of the image of the display device (right in-vehicle monitor 31 and left in-vehicle monitor 32). In addition to the area displayed in a clear state regardless of the speed, information other than the video may be superimposed and displayed.
  • the display control device causes the display device (the right in-vehicle monitor 31) to increase as the vehicle speed detected by the vehicle speed detection device 42 increases.
  • Information displayed on the left in-vehicle monitor 32) may be displayed clearly.
  • the user can reliably recognize information other than the captured video.
  • the imaging devices are mounted on the left and right of the vehicle (the car 1).
  • the right in-car monitor 31 and the left in-car monitor 32) can simultaneously display the images captured by the left and right imaging devices (right door camera 21 and left door camera 22), and the display control device (control unit 10)
  • the image captured by the imaging device (right door camera 21 and left door camera 22) on the side on which the blinker 41 mounted on the vehicle (automobile 1) is operated is used to maximize the clear range of the image. It may be displayed on a display device (right in-vehicle monitor 31, left in-vehicle monitor 32).
  • the user can reliably view the video behind the blinker on the vehicle side. Since it is time to change lanes or turn left when the blinker is operating, it is necessary to confirm the rear of the blinker operating side with certainty. Therefore, as described above, the user reliably recognizes the image behind the blinker operating side If you can, you can safely change lanes or turn left or right.
  • An electronic mirror system is mounted on a vehicle (automobile 1), and an imaging device (right door camera 51, left door camera 52) for imaging at least the rear of the vehicle (automobile 1);
  • a display device (right in-car monitor 31, left in-car monitor 32) mounted on (automobile 1) and displaying an image captured by the imaging device (right door camera 51, left door camera 52), and the vehicle (automobile 1)
  • an imaging control device (control unit 10) for changing the angle of view of the imaging device (right door camera 51, left door camera 52), and the imaging device (right
  • the door camera 51 and the left door camera 52) are mounted on the left and right of the vehicle (car 1), and the display devices (right in-car monitor 31 and left in-car monitor 32) are the left and right imaging devices
  • the images captured by the right door camera 51 and the left door camera 52) can be simultaneously displayed, and the imaging control device (control unit 10) operates when the blinker 41 mounted on the vehicle (car 1) operates.
  • the angle of view of the imaging device (right door camera 51, left door camera 52) on the side where the blinker 41 operates is It is characterized in that it is extended to the maximum angle of view of the right door camera 51 and the left door camera 52).
  • the user can reliably view the video behind the blinker on the vehicle side. Since it is time to change lanes or turn left when the blinker is operating, it is necessary to confirm the rear of the blinker operating side with certainty. Therefore, as described above, the user reliably recognizes the image behind the blinker operating side If you can, you can safely change lanes or turn left or right.
  • An electronic mirror system is mounted on a vehicle (automobile 1), and an imaging device (right door camera 21, left door camera 22) for imaging at least the rear of the vehicle (automobile 1);
  • a display device (right in-car monitor 31, left in-car monitor 32) mounted on (automobile 1) and displaying an image captured by the imaging device (right door camera 21, left door camera 22), and the display device (right A display control device (control unit 10) for changing the luminance of the in-vehicle monitor 31 and the left-in-vehicle monitor 32); and the imaging device (right door camera 21 and left door camera 22) corresponds to that of the vehicle (automobile 1).
  • the display devices (right in-car monitor 31 and left in-car monitor 32) mounted on the left and right are respectively captured by the left and right imaging devices (right and left door cameras 21 and 22).
  • the display control device (control unit 10) can simultaneously display an image, and when the blinker 41 mounted on the vehicle (car 1) operates, an imaging device (right door camera) on the side where the blinker 41 operates. 21, making the luminance of the video taken by the left door camera 22 higher than the luminance of the video taken by the imaging device (the right door camera 21 and the left door camera 22) on the side where the winker 41 is not operating It is characterized.
  • the user can reliably view the video behind the blinker on the vehicle side. Since it is time to change lanes or turn left when the blinker is operating, it is necessary to confirm the rear of the blinker operating side with certainty. Therefore, as described above, the user reliably recognizes the image behind the blinker operating side If you can, you can safely change lanes or turn left or right.
  • the control device of the electronic mirror system may be realized by a computer, and in this case, the computer is operated as each unit (software element) included in the control device.
  • the display control program of the control device to be realized by and the computer readable recording medium recording the same also fall within the scope of the present invention.
  • Control unit (display control device, imaging control device) 11 image processing unit 12 operation setting unit 13 in-vehicle device information acquisition unit 14 in-vehicle environment information acquisition unit 15 driver information acquisition unit 18 DB 21, 51 Right Door Camera (Imaging Device) 22, 52 Left door camera (imaging device) 31 Right in-vehicle monitor (display device) 32 Left in-vehicle monitor (display device) 41 blinker 42 vehicle speed detection device 43 illuminance sensor 44 operation unit 101 102 electronic mirror system

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Abstract

The present invention makes an image shown on a display device easier to see according to a driving situation. This electron mirror system (101) is provided with a control unit (10) which causes a right in-vehicle monitor (31) and a left in-vehicle monitor (32) to display images captured by a right door camera (21) and a left door camera (22) by an image display method associated with driving situation information (vehicle speed, blinker operation, and the like) indicating the driving situation of a motor vehicle (1).

Description

電子ミラーシステムElectronic mirror system
　本発明は、車両の周囲を撮像した映像を表示装置に映す電子ミラーシステムに関する。 The present invention relates to an electronic mirror system that projects an image obtained by imaging the periphery of a vehicle on a display device.
　車両の周囲を撮像した映像を車内の表示装置に映す電子ミラーシステムが既に知られている（例えば特許文献１）。 An electronic mirror system has already been known that projects an image obtained by imaging the surroundings of a vehicle on a display device in the vehicle (for example, Patent Document 1).
日本国公開特許公報「特開２００９－８３６１８号公報（２００９年４月２３日公開）」Japanese Patent Publication "Japanese Patent Application Laid-Open No. 2009-83618 (Apr. 23, 2009)"
　しかしながら、特許文献１に開示されているような従来の電子ミラーシステムでは、車両を運転するユーザにとって表示装置に映し出される映像を、運転の状況（低速走行時、高速走行時、左折時、右折時等）に応じて見やすくするという点においてまだ十分ではない。例えば、電子ミラーシステムの表示装置における表示領域のユーザの認識範囲は、人間の視覚特性により、車両の低速走行時には広く、高速走行時には狭くなる。特に、高速走行時において、人間の視覚特性を考慮し、表示領域の認識範囲を狭くしなければ、表示領域に表示される認識範囲外の情報がユーザの目に入り、ユーザの目が疲れるという問題が生じる。 However, in the conventional electronic mirror system as disclosed in Patent Document 1, the driving condition (for low-speed traveling, high-speed traveling, left turn, right turn, video when displayed on the display device for the user driving the vehicle) It is still not enough in terms of making it easy to see according to the For example, the user's recognition range of the display area in the display device of the electronic mirror system is wide at low speed traveling of the vehicle and narrow at high speed traveling due to human visual characteristics. In particular, when traveling at high speed, if the recognition range of the display area is not narrowed in consideration of human visual characteristics, information outside the recognition range displayed in the display area enters the user's eyes and the user's eyes are tired A problem arises.
　本発明の一態様は、車両を運転するユーザにとって表示装置に映し出される映像を、運転の状況に応じて見やすくする電子ミラーシステムを実現することを目的とする。 An aspect of the present invention aims to realize an electronic mirror system that makes it easy for a user driving a vehicle to display an image displayed on a display device according to a driving situation.
　上記の課題を解決するために、本発明の一態様に係る電子ミラーシステムは、車両に搭載され、当該車両の少なくとも後方を撮像する撮像装置と、上記車両に搭載され、上記撮像装置によって撮像された映像を表示する表示装置と、上記車両の運転の状況を示す運転状況情報に対応付けられた映像の表示方法によって、上記撮像装置が撮像した映像を上記表示装置に表示させる表示制御装置と、を備えたことを特徴とする。 In order to solve the above-mentioned subject, an electronic mirror system concerning one mode of the present invention is carried in vehicles, an imaging device which picturizes at least back of the vehicles concerned, and the above-mentioned vehicles are carried and it is imaged by the above-mentioned imaging devices A display control unit for displaying a shot image, and a display control unit for causing the display unit to display the image captured by the imaging unit by a display method of the image associated with driving condition information indicating the driving condition of the vehicle; It is characterized by having.
　本発明の一態様によれば、車両を運転するユーザにとって表示装置に映し出される映像を、運転の状況に応じて見やすくすることができるという効果を奏する。 According to one aspect of the present invention, it is possible to make it easy for a user driving a vehicle to view an image shown on a display device according to the driving situation.
本発明の実施形態１に係る電子ミラーシステムの概略構成を示すブロック図である。It is a block diagram showing a schematic structure of an electronic mirror system concerning Embodiment 1 of the present invention. 図１に示す電子ミラーシステムを搭載した車両内部の概略図である。FIG. 2 is a schematic view of the inside of a vehicle equipped with the electronic mirror system shown in FIG. 図１に示す電子ミラーシステムで用いる設定条件を示すテーブルである。It is a table which shows the setting conditions used with the electronic mirror system shown in FIG. 図１に示す電子ミラーシステムで用いる設定条件を示すテーブルである。It is a table which shows the setting conditions used with the electronic mirror system shown in FIG. 図１に示す電子ミラーシステムで用いる設定条件を示すテーブルである。It is a table which shows the setting conditions used with the electronic mirror system shown in FIG. 図３に示す設定条件で撮像される撮像映像の一例を示す図である。It is a figure which shows an example of the captured image image | photographed on the setting conditions shown in FIG. 図３に示す設定条件で映し出されるモニタの表示状態の一例を示す図である。It is a figure which shows an example of the display state of the monitor projected on the setting conditions shown in FIG. 図４に示す設定条件で撮像される撮像映像の一例を示す図である。It is a figure which shows an example of the captured image image | photographed on the setting conditions shown in FIG. 図４に示す設定条件で映し出されるモニタの表示状態の一例を示す図である。It is a figure which shows an example of the display state of the monitor projected on the setting conditions shown in FIG. 図５に示す設定条件で撮像される撮像映像の一例を示す図である。It is a figure which shows an example of the captured image image | photographed on the setting conditions shown in FIG. 図５に示す設定条件で映し出されるモニタの表示状態の一例を示す図である。It is a figure which shows an example of the display state of the monitor projected on the setting conditions shown in FIG. 車速に応じた視界の大きさの変化を示す図である。It is a figure which shows the change of the magnitude | size of the visual field according to the vehicle speed. 図１２に示す車速に応じたモニタの表示状態の一例を示す図である。It is a figure which shows an example of the display state of the monitor according to the vehicle speed shown in FIG. （ａ）は、ウインカに応じた視界の大きさの変化を示す図であり、（ｂ）は、（ａ）に示すウインカに応じたモニタの表示状態の一例を示す図である。(A) is a figure which shows the change of the magnitude | size of the visual field according to a blinker, (b) is a figure which shows an example of the display state of the monitor according to a blinker shown to (a). （ａ）は、車速に応じた撮像範囲の大きさの変化を示す図であり、（ｂ）は、（ａ）に示す車速に応じた撮像範囲を映し出したモニタの映像の一例を示す図である。(A) is a figure which shows the change of the size of the imaging range according to the vehicle speed, (b) is a figure which shows an example of the image of the monitor which showed the imaging range according to the vehicle speed shown to (a). is there. 映し出した映像の表示状態の変化の一例を示す図である。It is a figure showing an example of change of a display state of a projected image. ドアミラーの視界要求範囲を説明するための図である。It is a figure for demonstrating the visibility required range of a door mirror. 鏡を用いたドアミラーを電子ミラーに置き換えたときの映像の表示状態を示す図である。It is a figure which shows the display condition of an image when the door mirror using a mirror is substituted to an electronic mirror. 本発明の実施形態２に係る電子ミラーシステムの概略構成を示すブロック図である。It is a block diagram which shows schematic structure of the electronic mirror system which concerns on Embodiment 2 of this invention. 図１９に示す電子ミラーシステムを搭載した車両の左折時の例を示す図である。It is a figure which shows the example at the time of the left turn of the vehicle carrying the electronic mirror system shown in FIG. 図１９に示す電子ミラーシステムを搭載した車両の右折時の例を示す図である。It is a figure which shows the example at the time of the right turn of the vehicle carrying the electronic mirror system shown in FIG.
　〔実施形態１〕
　本発明の一実施形態について説明すれば以下の通りである。なお、本実施形態および他の実施形態において、車両は右ハンドルの４輪の自動車を想定して説明する。しかしながら、本発明に係る電子ミラーシステムは、上述の右ハンドルの４輪の自動車に限らず、左ハンドルの４輪の自動車に搭載可能である。さらに、４輪の自動車についても、小型車、中型車、大型車、トラック、バス等、種類を問わず、本発明に係る電子ミラーシステムを搭載することができる。 Embodiment 1
It will be as follows if one embodiment of the present invention is described. In the present embodiment and the other embodiments, the vehicle will be described on the assumption that the vehicle has four wheels with a right handle. However, the electronic mirror system according to the present invention can be mounted not only on the above-mentioned right-handed four-wheeled automobile but also on the left-handed four-wheeled automobile. Furthermore, the electronic mirror system according to the present invention can be mounted on a four-wheeled automobile, regardless of the type, such as a small-sized car, a medium-sized car, a large-sized car, a truck, or a bus.
　（自動車の構成）
　図２は、本実施形態に係る自動車１の車内の概要を示す。 (Structure of car)
FIG. 2 shows an outline of the interior of the car 1 according to the present embodiment.
　自動車１は、図２に示すように、当該自動車１の少なくとも右後方の風景を撮像する右ドアカメラ（撮像装置）２１、当該自動車１の少なくとも左後方の風景を撮像する左ドアカメラ（撮像装置）２２、右ドアカメラ２１によって撮像された映像を映し出す右車内モニタ（表示装置）３１、左ドアカメラ２２によって撮像された映像を映し出す左車内モニタ（表示装置）３２を有している。 As shown in FIG. 2, the automobile 1 is a right door camera (imaging device) 21 that images at least the rear right landscape of the automobile 1, and a left door camera (an imaging device that images at least the rear left of the automobile 1 22) a right in-vehicle monitor (display device) 31 for projecting an image captured by the right door camera 21; and a left in-vehicle monitor (display device) 32 for projecting an image captured by the left door camera 22.
　右ドアカメラ２１、左ドアカメラ２２は、ＣＣＤ／ＣＭＯＳカメラ等からなり、自動車１の前方両側に設置されている。つまり、右ドアカメラ２１、左ドアカメラ２２は、従来の自動車においてドアミラーが設置された場所に置き換わって設置されている。なお、右ドアカメラ２１、左ドアカメラ２２の設置位置は、現行のドアミラーの位置に限定されるものではなく、現行のドアミラーに映る範囲と同等の範囲が撮像できる位置、あるいは現行のドアミラーに映る範囲を含むより広い範囲が撮像できる位置であればよい。また、右ドアカメラ２１、左ドアカメラ２２は、必要に応じて、拡大縮小、画角の変更を行なって撮像することができる。本実施形態では、右ドアカメラ２１、左ドアカメラ２２は、自動車１の後方の風景を撮像する例について説明するが、側方、前方の風景を撮像してもよい。 The right door camera 21 and the left door camera 22 are composed of a CCD / CMOS camera or the like, and are installed on the front sides of the automobile 1. That is, the right door camera 21 and the left door camera 22 are installed in place of the place where the door mirror is installed in the conventional automobile. The installation positions of the right door camera 21 and the left door camera 22 are not limited to the current position of the door mirror, but the positions equivalent to the range displayed on the current door mirror can be imaged or the current door mirror It may be a position at which a wider range including the range can be imaged. In addition, the right door camera 21 and the left door camera 22 can perform enlargement and reduction and change of the angle of view as necessary. In the present embodiment, the right door camera 21 and the left door camera 22 will be described by way of an example in which the scenery behind the car 1 is imaged, but the scenery in the side and the front may be imaged.
　右車内モニタ３１、左車内モニタ３２は、液晶表示装置、有機ＥＬ装置等からなり、運転席の前面の速度メータ等が配置されたインパネに配置される。なお、右車内モニタ３１、左車内モニタ３２の配置位置は、図１に示す例に限定されるものではなく、運転者が視認できる位置であればよい。また、右車内モニタ３１、左車内モニタ３２は、右ドアカメラ２１、左ドアカメラ２２で撮像したそれぞれの映像を同時に表示可能であってもよい。 The right in-vehicle monitor 31 and the left in-vehicle monitor 32 are composed of a liquid crystal display device, an organic EL device, and the like, and are disposed in an instrument panel on the front of the driver's seat on which a speedometer and the like are disposed. In addition, the arrangement position of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 is not limited to the example shown in FIG. 1 and may be any position at which the driver can visually recognize. The right in-vehicle monitor 31 and the left in-vehicle monitor 32 may be able to simultaneously display the images captured by the right door camera 21 and the left door camera 22.
　右ドアカメラ２１および右車内モニタ３１によって、従来の自動車における右側ドアミラーの代替機能を実現し、左ドアカメラ２２および左車内モニタ３２によって、従来の自動車における左側ドアミラーの代替機能を実現している。これらのドアミラーの代替機能を実現するための本実施形態に係る電子ミラーシステムについて以下に説明する。 The right door camera 21 and the right in-vehicle monitor 31 realize an alternative function of the right side door mirror in the conventional automobile, and the left door camera 22 and the left in-vehicle monitor 32 realize the alternative function of the left door mirror in the conventional automobile. The electronic mirror system according to the present embodiment for realizing the alternative function of these door mirrors will be described below.
　（電子ミラーシステム）
　図１は、本実施形態に係る電子ミラーシステム１０１の概略構成を示すブロック図である。 (Electronic mirror system)
FIG. 1 is a block diagram showing a schematic configuration of an electronic mirror system 101 according to the present embodiment.
　電子ミラーシステム１０１は、図１に示すように、制御部（表示制御装置、撮像制御装置）１０、右ドアカメラ２１、左ドアカメラ２２、右車内モニタ３１、左車内モニタ３２、ウインカ４１、車速検知装置４２、照度センサ４３、操作部４４等を有している。 As shown in FIG. 1, the electronic mirror system 101 includes a control unit (display control device, imaging control device) 10, right door camera 21, left door camera 22, right in-vehicle monitor 31, left in-vehicle monitor 32, blinkers 41, vehicle speed It has a detection device 42, an illuminance sensor 43, an operation unit 44 and the like.
　制御部１０は、右ドアカメラ２１、左ドアカメラ２２、右車内モニタ３１、左車内モニタ３２を制御する制御部であって、映像加工部１１、動作設定部１２、車載機器情報取得部１３、車載環境情報取得部１４、運転者情報取得部１５、およびＤＢ（データベース）１８を含んでいる。 The control unit 10 is a control unit that controls the right door camera 21, the left door camera 22, the right in-vehicle monitor 31, and the left in-vehicle monitor 32, and includes the image processing unit 11, the operation setting unit 12, the in-vehicle device information acquisition unit 13, An on-vehicle environment information acquisition unit 14, a driver information acquisition unit 15, and a DB (database) 18 are included.
　映像加工部１１は、右ドアカメラ２１、左ドアカメラ２２から取得した映像を、動作設定部１２によって設定された設定条件によって所望の表示状態で表示されるように加工して、右ドアカメラ２１から取得された映像を右車内モニタ３１、左ドアカメラ２２から取得された映像を左車内モニタ３２に出力する。ここで、上記設定条件とは、車両の運転の状況を示す運転状況情報に対応付けられた映像の表示方法を示す。この映像の表示方法は、ＤＢ１８に各テーブルとして格納されている。このテーブルの詳細については後述する。 The image processing unit 11 processes the images acquired from the right door camera 21 and the left door camera 22 so as to be displayed in a desired display state according to the setting conditions set by the operation setting unit 12, and the right door camera 21. The image acquired from the right in-vehicle monitor 31 and the image acquired from the left door camera 22 are output to the left in-vehicle monitor 32. Here, the setting condition indicates a method of displaying an image associated with driving condition information indicating the driving condition of the vehicle. The display method of the video is stored as each table in the DB 18. Details of this table will be described later.
　動作設定部１２は、車載機器情報取得部１３、車載環境情報取得部１４、運転者情報取得部１５の各部によって取得された情報に応じて、後述するＤＢ１８を参照して右ドアカメラ２１および左ドアカメラ２２の動作（拡大率等）、右車内モニタ３１および左車内モニタ３２の動作（表示状態等）を設定する。動作設定部１２は、右ドアカメラ２１、左ドアカメラ２２、右車内モニタ３１、左車内モニタ３２の動作を設定した情報を設定条件として、映像加工部１１に送る。 The operation setting unit 12 refers to a DB 18 described later according to the information acquired by the in-vehicle device information acquisition unit 13, the in-vehicle environment information acquisition unit 14, and the driver information acquisition unit 15. The operation (e.g., enlargement ratio) of the door camera 22 and the operation (e.g. display state) of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 are set. The operation setting unit 12 sends information on the operation of the right door camera 21, the left door camera 22, the right in-vehicle monitor 31, and the left in-vehicle monitor 32 to the video processing unit 11 as a setting condition.
　車載機器情報取得部１３は、自動車１の右左折時に使用するウインカ４１、自動車１の車速を検知する車速検知装置４２等の車載機器からの情報を取得し、車載環境情報取得部１４は、車内の照度を検知する照度センサ４３等の車載環境を示す情報を取得し、運転者情報取得部１５は、操作部４４によって入力された運転者の年齢、性別等を示す運転者情報を取得する。それにより、運転者の視認性向上／疲労の低減のために物体の輪郭を強調したり、全体的に輝度を低下させる映像に加工する等が行なわれる。 The in-vehicle device information acquisition unit 13 acquires information from in-vehicle devices such as the blinker 41 used when turning the left or right of the vehicle 1 and the vehicle speed detection device 42 that detects the vehicle speed of the vehicle 1. The driver information acquiring unit 15 acquires driver information indicating the driver's age, gender, etc. input by the operation unit 44. As a result, the contour of the object is enhanced to improve the driver's visibility / reduce fatigue, or the image is processed into an image whose luminance is reduced as a whole.
　（ＤＢ１８）
　図３～図５は、ＤＢ１８に格納されているテーブルを示す。 (DB18)
3 to 5 show the tables stored in the DB 18.
　図６～図１１は、図３～図５に示すテーブルを用いた右ドアカメラ２１、左ドアカメラ２２の撮像状態、右車内モニタ３１、左車内モニタ３２の表示状態を示す。 6 to 11 show imaging states of the right door camera 21 and the left door camera 22 using the tables shown in FIGS. 3 to 5, and display states of the right in-vehicle monitor 31 and the left in-vehicle monitor 32.
　図３に示すテーブルは、ウインカ４１、車速検知装置４２等の車載機器からの車載機器情報の入力状態、操作部４４のサイドビュー、ＭＫ（インジケータ表示）のボタン等の入力状態を示す。 The table shown in FIG. 3 indicates an input state of in-vehicle device information from on-vehicle devices such as the blinker 41 and the vehicle speed detection device 42, a side view of the operation unit 44, and an input state of a button of MK (indicator display).
　図４に示すテーブルは、ウインカ４１、車速検知装置４２等の車載機器からの車載機器情報の入力状態、操作部４４のズームのボタン等の入力状態を示す。 The table shown in FIG. 4 indicates the input state of in-vehicle device information from the on-vehicle devices such as the blinker 41 and the vehicle speed detection device 42, and the input state such as the zoom button of the operation unit 44.
　図５に示すテーブルは、ウインカ４１の車載機器情報の入力状態、見え方改善の選択状態を示す。 The table shown in FIG. 5 shows the input state of the in-vehicle device information of the turn signal indicator 41, and the selection state of the appearance improvement.
　図３に示すテーブルは、車速に応じて右車内モニタ３１、左車内モニタ３２が表示するカメラ映像範囲を変化させる場合に用いられる。ここで、停止は、時速０ｋｍ、低速は、時速０ｋｍ～３０ｋｍ程度、中速は、時速３０ｋｍ～６０ｋｍ程度、高速は、時速６０ｋｍ以上とする。この車速の定義は、図４に示すテーブルにおいても同様である。なお、本実施形態では、上述のように、図３、４に示す上記テーブルに記載の車速を、停止（時速０ｋｍ）、低速（時速０ｋｍ～３０ｋｍ）、中速（時速３０ｋｍ～６０ｋｍ）、高速（時速６０ｋｍ～）の４種類に分類しているが、これに限定されるものではない。 The table shown in FIG. 3 is used when changing the camera image range displayed by the right in-vehicle monitor 31 and the left in-vehicle monitor 32 according to the vehicle speed. Here, the stop is 0 km per hour, the low speed is about 0 km to 30 km per hour, the medium speed is about 30 km to 60 km per hour, and the high speed is 60 km per hour or more. The definition of the vehicle speed is the same as in the table shown in FIG. In the present embodiment, as described above, the vehicle speed described in the above tables shown in FIGS. 3 and 4 is stopped (0 km / hr), low speed (0 km-30 km / hr), medium speed (30 km-60 km / hr), high speed Although it is classified into four types (from 60 km / h), it is not limited to this.
　動作設定部１２は、ウインカ４１、車速検知装置４２、操作部４４から取得した情報から、図３に示すテーブルの該当する設定条件を映像加工部１１、右ドアカメラ２１、左ドアカメラ２２に送る。これにより、テーブルの該当する設定条件に応じて、右ドアカメラ２１、左ドアカメラ２２は、図６に示す該当する条件で撮像し、映像加工部１１は、図７に示す該当する条件で表示される映像となるように加工する。ここで、図３の（ａ）～（ｉ）は、図６、７の（ａ）～（ｉ）に対応している。車速に応じてモニタに表示するカメラ映像の範囲を変化させる例の詳細については後述する。 The operation setting unit 12 sends the corresponding setting conditions of the table shown in FIG. 3 to the image processing unit 11, the right door camera 21, and the left door camera 22 from the information acquired from the blinker 41, the vehicle speed detection device 42, and the operation unit 44. . Thus, according to the corresponding setting conditions of the table, the right door camera 21 and the left door camera 22 capture images under the corresponding conditions shown in FIG. 6, and the image processing unit 11 displays them under the corresponding conditions shown in FIG. Process to become a Here, (a) to (i) in FIG. 3 correspond to (a) to (i) in FIGS. Details of an example of changing the range of the camera image displayed on the monitor according to the vehicle speed will be described later.
　図４に示すテーブルは、車速に応じて左車内モニタ３２に表示されるカメラ映像の拡大率を変化させる場合に用いられる。 The table shown in FIG. 4 is used when changing the enlargement ratio of the camera image displayed on the left in-vehicle monitor 32 according to the vehicle speed.
　動作設定部１２は、ウインカ４１、車速検知装置４２、操作部４４から取得した情報から、図４に示すテーブルの該当する設定条件を映像加工部１１、左ドアカメラ２２に送る。これにより、テーブルの該当する設定条件に応じて、左ドアカメラ２２は、図８に示す該当する条件で拡大率を変えて撮像し、映像加工部１１は、図９に示す該当する条件で表示される映像となるように加工する。ここで、図４の（ａ）～（ｆ）は、図８、９の（ａ）～（ｆ）に対応している。車速に応じてモニタに表示するカメラ映像の拡大率を変化させる例の詳細については後述する。 The operation setting unit 12 sends the corresponding setting conditions of the table shown in FIG. 4 to the image processing unit 11 and the left door camera 22 from the information acquired from the blinker 41, the vehicle speed detection device 42 and the operation unit 44. Thus, according to the corresponding setting conditions of the table, the left door camera 22 changes the magnification to capture images under the corresponding conditions shown in FIG. 8, and the image processing unit 11 displays the images under the corresponding conditions shown in FIG. Process to become a Here, (a) to (f) in FIG. 4 correspond to (a) to (f) in FIGS. Details of an example in which the magnification of the camera image displayed on the monitor is changed according to the vehicle speed will be described later.
　図５に示すテーブルは、外部環境に応じて右ドアカメラ２１、左ドアカメラ２２の撮影した表示を右車内モニタ３１、左車内モニタ３２に表示するカメラ映像の見え方を変化させる場合に用いられる。 The table shown in FIG. 5 is used when changing the appearance of camera images displayed on the right in-vehicle monitor 31 and the left in-vehicle monitor 32 by the display captured by the right door camera 21 and the left door camera 22 according to the external environment. .
　動作設定部１２は、ウインカ４１、照度センサ４３から取得した情報から、図５に示すテーブルの該当する設定条件を映像加工部１１、右車内モニタ３１、左車内モニタ３２に送る。これにより、テーブルの該当する設定条件に応じて、右車内モニタ３１、左車内モニタ３２は、図１０に示す撮像した映像を、図１１に示す該当する条件で表示される映像となるように加工する。ここで、図５の（ａ）～（ｄ）は、図１０、１１の（ａ）～（ｄ）に対応している。外部環境に応じて右ドアカメラ２１、左ドアカメラ２２に表示するカメラ映像の見え方を変化させる例の詳細については後述する。 The operation setting unit 12 sends the corresponding setting conditions of the table shown in FIG. 5 to the image processing unit 11, the right in-vehicle monitor 31, and the left in-vehicle monitor 32 from the information acquired from the blinkers 41 and the illuminance sensor 43. Thereby, according to the corresponding setting condition of the table, the right in-vehicle monitor 31 and the left in-vehicle monitor 32 process the picked up image shown in FIG. 10 into an image displayed under the corresponding condition shown in FIG. Do. Here, (a) to (d) in FIG. 5 correspond to (a) to (d) in FIGS. Details of an example of changing the appearance of camera images displayed on the right door camera 21 and the left door camera 22 according to the external environment will be described later.
　（実施例１）
　車速に応じてモニタに表示するカメラ映像の範囲を変化させる例について図１２、図１３を参照しながら以下に説明する。 Example 1
An example of changing the range of the camera image displayed on the monitor according to the vehicle speed will be described below with reference to FIGS. 12 and 13.
　図１２は、車速に応じた視界の大きさの変化を示す。 FIG. 12 shows the change in the size of the field of view according to the vehicle speed.
　図１３は、図１２に示す車速に応じたモニタの表示状態の一例を示す。 FIG. 13 shows an example of the display state of the monitor according to the vehicle speed shown in FIG.
　自動車１において、右ドアカメラ２１、左ドアカメラ２２の位置に鏡のドアミラーを設置した場合の視界２１ａ，２２ａは、図１２に示すように、当該自動車１の後方に向かって次第に広くなる。つまり、鏡のドアミラーでは、速度に関係無く、自動車１から近くのものは大きく、遠くのものは小さく見える。 In the car 1, the visual fields 21 a and 22 a when the mirror door mirrors are installed at the positions of the right door camera 21 and the left door camera 22 gradually become wider toward the rear of the car 1 as shown in FIG. 12. That is, in the mirror door mirror, the ones near to the car 1 appear large and the ones far from the car 1 small regardless of the speed.
　一般的に、人間の視覚特性では、自動車１の速度が遅い低速時には視界は広く、自動車１の速度が速い高速時には視界は狭くなる。 Generally, in the human visual characteristic, the visibility is wide when the speed of the car 1 is slow and low, and the view is narrow when the speed of the car 1 is fast and high.
　本実施例では、図１２に示すように、低速時には視界を広くして、高速時には視界を狭くし、中速時には、低速時と高速時の中間の視界にする。これにより、図１３の（Ａ）（Ｂ）に示すように、低速時には、電子ミラーシステムによって見える範囲ｂを、鏡のドアミラーによって見える範囲ａよりも広くする。また、中速時には、電子ミラーシステムによって見える範囲ｂを、鏡のドアミラーによって見える範囲ａよりも広く、低速時に電子ミラーシステムによって見える範囲よりも狭くして、範囲ｂ’とする。これにより、中速時には、モニタの表示領域において、低速時に電子ミラーシステムによって見える範囲よりも狭くなった分の領域ｃが生じる。さらに、高速時には、電子ミラーシステムによって見える範囲ｂ’’を、鏡のドアミラーによって見える範囲ａと同じにする。これにより、高速時には、中速時よりも領域ｃが大きくなる。 In the present embodiment, as shown in FIG. 12, the field of view is widened at low speed, the field of view is narrowed at high speed, and the field of view is intermediate between low speed and high speed at medium speed. Thereby, as shown in (A) and (B) of FIG. 13, at low speed, the range b seen by the electronic mirror system is made wider than the range a seen by the door mirror of the mirror. Further, at medium speed, the range b seen by the electronic mirror system is wider than the range a seen by the mirror door mirror and narrower than the range seen by the electronic mirror system at low speed to be a range b '. As a result, when the vehicle is at medium speed, a region c is generated in the display area of the monitor that is narrower than the range viewed by the electronic mirror system at low speed. Furthermore, at high speeds, the range b " seen by the electronic mirror system is the same as the range a seen by the mirror door mirror. Thus, the area c becomes larger at high speed than at medium speed.
　中速時、高速時に生じた領域ｃは、映像が高速で流れる部分（すなわち、表示が高速で切り換わる部分。あるいは、表示内容の変化が激しい部分）であり、ユーザにとって認識しにくい領域になるため、図１３の（Ａ）では、当該領域ｃをぼかしたり、輝度を低下させたりする等の処理を施し、図１３の（Ｂ）では、黒表示にする処理を施す。 The area c generated during medium and high speed is a part where the video flows at high speed (that is, a part where the display is switched at high speed or a part where the display content changes rapidly) and becomes an area difficult for the user to recognize Therefore, in (A) of FIG. 13, processing such as blurring the area c or lowering the luminance is performed, and in (B) of FIG. 13, processing for black display is performed.
　ここで、図１２，図１３では、左車内モニタ３２の表示について説明したが、右ドアカメラ２１、左ドアカメラ２２は連動している場合、右車内モニタ３１も同様に、車速に応じて右車内モニタ３１に表示するカメラ映像の範囲が変化する。 Here, in FIG. 12 and FIG. 13, the display of the left in-vehicle monitor 32 has been described, but when the right door camera 21 and the left door camera 22 are interlocked, the right in-vehicle monitor 31 is also right according to the vehicle speed. The range of the camera image displayed on the in-vehicle monitor 31 changes.
　車速に応じた、右ドアカメラ２１、左ドアカメラ２２、右車内モニタ３１、左車内モニタ３２の設定は、動作設定部１２によって、前述したＤＢ１８に格納されているテーブル（図３）を参照して行なわれる。 The settings of the right door camera 21, the left door camera 22, the right in-car monitor 31, and the left in-car monitor 32 according to the vehicle speed are referred to by the operation setting unit 12 with reference to the table (FIG. 3) stored in the DB 18 described above. Be done.
　ここでは、動作設定部１２が、車速検知装置４２による検知結果に応じて、図３に示すテーブルの（ａ）～（ｄ）の設定条件を映像加工部１１に出力し、当該映像加工部１１において設定条件に応じて右車内モニタ３１、左車内モニタ３２の表示状態を変化させている例について説明する。 Here, the operation setting unit 12 outputs the setting conditions (a) to (d) of the table shown in FIG. 3 to the video processing unit 11 according to the detection result by the vehicle speed detection device 42 and the video processing unit 11 An example in which the display states of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 are changed in accordance with the setting condition will be described.
　例えば図３の（ａ）の設定条件は、停止を示す。この場合、映像加工部１１は、図７の（ａ）に示すように、右車内モニタ３１、左車内モニタ３２の両方を全面表示（表示装置の表示領域全体表示）させる。 For example, the setting condition of (a) of FIG. 3 indicates stop. In this case, as shown in (a) of FIG. 7, the image processing unit 11 displays both the right in-vehicle monitor 31 and the left in-vehicle monitor 32 on the entire surface (displaying the entire display area of the display device).
　図３の（ｂ）の設定条件は、低速を示す。この場合、映像加工部１１は、図７の（ｂ）に示すように、撮像した映像を表示している表示領域のうち、右車内モニタ３１の右側の一部（小）の領域をぼかし、左車内モニタ３２の左側の一部（小）の領域をぼかすように表示させる。 The setting conditions of (b) of FIG. 3 indicate low speed. In this case, as shown in (b) of FIG. 7, the video processing unit 11 blurs an area of a part (small) of the right side of the right in-vehicle monitor 31 in the display area displaying the captured video. The left part (small) area of the left in-vehicle monitor 32 is displayed to be blurred.
　図３の（ｃ）の設定条件は、中速を示す。この場合、映像加工部１１は、図７の（ｃ）に示すように、撮像した映像を表示している表示領域のうち、右車内モニタ３１の右側の一部（中）の領域をぼかし、左車内モニタ３２の左側の一部（中）の領域をぼかすように表示させる。ここでぼかす部分の大きさは、低速時にぼかす部分の大きさよりも大きい。 The setting condition of (c) of FIG. 3 shows medium speed. In this case, as shown in (c) of FIG. 7, the video processing unit 11 blurs an area of a part (middle) on the right side of the right in-vehicle monitor 31 in the display area displaying the captured video. The left part (middle) area of the left in-vehicle monitor 32 is displayed to be blurred. Here, the size of the blurred portion is larger than the size of the blurred portion at low speed.
　図３の（ｄ）の設定条件は、高速を示す。この場合、映像加工部１１は、図７の（ｄ）に示すように、撮像した映像を表示している表示領域のうち、右車内モニタ３１の右側の一部（大）の領域をぼかし、左車内モニタ３２の左側の一部（大）の領域をぼかすように表示させる。ここでぼかす部分の大きさは、中速時にぼかす部分の大きさよりも大きい。 The setting conditions of (d) of FIG. 3 indicate high speed. In this case, as shown in (d) of FIG. 7, the video processing unit 11 blurs an area of a part (large) of the right side of the right in-vehicle monitor 31 in the display area displaying the captured video. The left part (large) area of the left in-vehicle monitor 32 is displayed to be blurred. Here, the size of the blurred portion is larger than the size of the blurred portion at medium speed.
　以上のように、本実施例では、車速検知装置４２によって検知された車速が上がるにつれて、右車内モニタ３１、左車内モニタ３２に表示される映像の明瞭な領域が徐々に小さくなっている。そして、右車内モニタ３１、左車内モニタ３２の映像の表示領域のうち、当該映像が速度上昇によっても明瞭な状態で維持される領域以外に、当該映像とは別の情報（ＭＫインジケータ）を重ねて表示している。 As described above, in the present embodiment, as the vehicle speed detected by the vehicle speed detection device 42 increases, the clear area of the image displayed on the right in-vehicle monitor 31 and the left in-vehicle monitor 32 gradually decreases. Then, among the display areas of the images of the right in-vehicle monitor 31 and the left in-vehicle monitor 32, other information (MK indicator) different from the image is overlapped other than the area where the image is maintained in a clear state even by the speed increase. Is displayed.
　なお、図３の（ａ）～（ｄ）は、何れも、ＭＫインジケータがＯＮされた状態（ＭＫインジケータが表示された状態）となっている。右車内モニタ３１、左車内モニタ３２において隠す部分にＭＫインジケータを表示させるようになっている。なお、図７の（ａ）のように、停止時には全画面表示となっているので、ＭＫインジケータがＯＮされた状態であっても、ＭＫインジケータを表示する領域がないため、ＭＫインジケータは重畳表示（スーパーインポーズ）される。また、図３の（ｉ）のように、ＭＫインジケータがＯＦＦされた状態にして、図７の（ｉ）に示すように、右車内モニタ３１、左車内モニタ３２の両方を強制的に全面表示（表示装置の表示領域全体表示）させてもよい。 In each of (a) to (d) of FIG. 3, the MK indicator is turned on (the MK indicator is displayed). The MK indicator is displayed on a portion hidden on the right in-vehicle monitor 31 and the left in-vehicle monitor 32. As shown in (a) of FIG. 7, since the full screen is displayed at the time of stop, even if the MK indicator is ON, there is no area for displaying the MK indicator, so the MK indicator is superimposed (Superimposed) Also, as shown in (i) of FIG. 3, with the MK indicator turned off, both the right in-vehicle monitor 31 and the left in-vehicle monitor 32 are forcibly displayed on the entire surface as shown in (i) of FIG. (The entire display area of the display device may be displayed).
　本実施例では、図７の（ａ）～（ｄ）に示すように、撮像した映像を表示している表示領域のうち、ＭＫインジケータを表示する領域を徐々にぼかすことで、当該ＭＫインジケータを鮮明にすることができる。この方法の他に、ぼかす領域の色を徐々に濃くして、ＭＫインジケータの表示色とのコントラストを高くして、当該ＭＫインジケータを鮮明にしてもよい。 In the present embodiment, as shown in (a) to (d) of FIG. 7, the MK indicator is displayed by gradually blurring the area in which the MK indicator is displayed among the display areas displaying the captured video. It can be sharpened. In addition to this method, the color of the blurred area may be gradually darkened to increase the contrast with the display color of the MK indicator, and the MK indicator may be sharpened.
　また、図７の（ａ）～（ｄ）においては、ＭＫインジケータの表示領域を次第に鮮明になるようにする例を開示しているが、これに限定されるものではなく、ＭＫインジケータの背景色を車速に応じて変えて、速度が上がるほどＭＫインジケータを鮮明にするようにしてもよい。 Also, in (a) to (d) of FIG. 7, an example is disclosed in which the display area of the MK indicator is gradually sharpened, but the present invention is not limited to this, and the background color of the MK indicator May be changed according to the vehicle speed, and the MK indicator may be sharpened as the speed increases.
　さらに、自動車１には、当該自動車１の左側、右側の映像を表示装置に映すためのサイドビュー機能が搭載されている。このサイドビュー用のカメラは、右ドアカメラ２１、左ドアカメラ２２が兼用してもよいし、別途設けてもよい。このサイドビューは、停止状態または低速時にのみ機能する。従って、自動車１を運転するユーザが停止中または低速時に、操作部４４のサイドビュー用のボタンまたはＳＷをＯＮすれば、例えば図７の（ｆ）の左モニタまたは（ｈ）の右モニタのように、自動車１の左側または右側の映像が表示装置に映し出される。このときの設定条件は、図３に示すテーブルの（ｆ）（ｈ）が相当している。 Furthermore, the automobile 1 is equipped with a side view function for displaying the left and right images of the automobile 1 on a display device. The camera for the side view may be shared by the right door camera 21 and the left door camera 22 or may be separately provided. This side view works only at standstill or low speed. Therefore, if the user driving the automobile 1 turns on the button or switch for the side view of the operation unit 44 while the vehicle is stopped or at low speed, for example, the left monitor in (f) or the right monitor in (h) of FIG. Then, the image on the left side or the right side of the car 1 is displayed on the display device. The setting conditions at this time correspond to (f) and (h) in the table shown in FIG.
　以上、車速に応じてモニタに表示するカメラ映像の範囲を変化させる例について説明したが、車載機器情報として車速検知装置４２によって検知される車速以外に、ウインカ４１の点滅を示す情報（車両が右折、左折することを示す情報）に応じてモニタに表示するカメラ映像の範囲を変化させてもよい。この例について以下に説明する。 Although the example of changing the range of the camera image displayed on the monitor according to the vehicle speed has been described above, information indicating blink of the blinker 41 other than the vehicle speed detected by the vehicle speed detection device 42 as vehicle device information The range of the camera image displayed on the monitor may be changed according to the information indicating that the user turns left. This example is described below.
　（実施例２）
　ウインカ４１の操作に応じてモニタに表示するカメラ映像の範囲を変化させる例について図１４を参照しながら以下に説明する。 (Example 2)
An example of changing the range of the camera image displayed on the monitor according to the operation of the blinker 41 will be described below with reference to FIG.
　図１４の（ａ）は、車速に応じた視界の大きさの変化を示し、（ｂ）は、（ａ）に示す車速に応じたモニタの表示状態の一例を示す。 (A) of FIG. 14 shows the change of the magnitude | size of the visual field according to the vehicle speed, (b) shows an example of the display state of the monitor according to the vehicle speed shown to (a).
　自動車１において、右ドアカメラ２１、左ドアカメラ２２の位置に鏡のドアミラーを設置した場合の視界２１ａ，２２ａは、図１４の（ａ）に示すように、当該自動車１の後方に向かって次第に広くなる。 In the case of the automobile 1, when the door mirrors of the mirrors are installed at the positions of the right door camera 21 and the left door camera 22, the fields of view 21a and 22a gradually increase toward the rear of the automobile 1 as shown in FIG. Become wider.
　本実施例では、自動車１のウインカ４１の操作（右折操作、左折操作）時に、操作された側の右車内モニタ３１、左車内モニタ３２に表示するカメラ映像の範囲を広げるようになっている。例えば図１４の（ａ）に示すように、自動車１の左側のウインカ４１を点滅させることで、図１４の（ｂ）に示すように、モニタ画像は、ウインカ４１を点滅させていない状態（左ウインカ無、右ウインカ無）の表示領域ａから、表示領域ｂ分広い、ウインカ４１を点滅させている状態（左ウインカ有、右ウインカ有）の表示領域に変化する。これにより、ウインカ４１の点滅前には見えなかった真横に存在する自動車２が拡大した領域に表示される。 In the present embodiment, the range of camera images displayed on the operated right in-vehicle monitor 31 and the left in-vehicle monitor 32 is expanded when the direction indicator 41 of the automobile 1 is operated (right turn operation, left turn operation). For example, as shown in (a) of FIG. 14, the blink image 41 on the left side of the automobile 1 blinks, and as shown in (b) of FIG. 14, the monitor image does not blink the blinker 41 (left It changes from a display area a of no blinker and right blinker) to a display area in which the blinker 41 is blinking (left blinker, right blinker) wider than the display region b. As a result, the car 2 existing just beside the blinker 41 that is not visible before blinking is displayed in the enlarged area.
　上記の説明では、ウインカ４１の点滅に連動して、右車内モニタ３１および左車内モニタ３２の表示領域が拡大しているが、これに限定されるものではなく、ウインカ４１の点滅している側の右車内モニタ３１または左車内モニタ３２の表示領域のみを拡大するようにしてもよい。 In the above description, the display areas of the right in-car monitor 31 and the left in-car monitor 32 are expanded in conjunction with the blinking of the winker 41, but the present invention is not limited to this. Only the display area of the right in-vehicle monitor 31 or the left in-vehicle monitor 32 may be enlarged.
　ウインカ４１の操作に応じた、右ドアカメラ２１、左ドアカメラ２２、右車内モニタ３１、左車内モニタ３２の設定は、動作設定部１２によって、前述したＤＢ１８に格納されているテーブル（図３）を参照して行なわれる。ここでは、表示領域の拡大を左右非連動、高速走行時の場合について説明する。 The settings of the right door camera 21, the left door camera 22, the right in-car monitor 31, and the left in-car monitor 32 according to the operation of the winker 41 are stored in the above-mentioned DB 18 by the operation setting unit 12 (FIG. 3) It is done with reference to. Here, enlargement of the display area will be described in the case of high speed traveling without right and left interlocking.
　ここでは、動作設定部１２が、ウインカ４１の点滅が左右どちらかであるかに応じて、図３に示すテーブルの（ｅ）（ｇ）の設定条件を映像加工部１１に出力し、当該映像加工部１１において設定条件に応じて右車内モニタ３１、左車内モニタ３２の表示状態を変化させている例について説明する。 Here, the operation setting unit 12 outputs the setting conditions of (e) and (g) of the table shown in FIG. 3 to the image processing unit 11 according to whether the blink of the blinker 41 is right or left. An example in which the display states of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 are changed in the processing unit 11 according to the setting conditions will be described.
　例えば図３の（ｅ）の設定条件は、停止状態から全ての車速において、左折時のウインカ４１が点滅された条件を示す。この場合、映像加工部１１は、図７の（ｅ）に示すように、左車内モニタ３２を全面表示（表示装置の表示領域全体表示）させる。右車内モニタ３１は、そのときの車速表示状態を維持する。例えば、高速走行時であれば、図７の（ｄ）の右車内モニタ３１の表示と同じとする。 For example, the setting condition of (e) in FIG. 3 indicates a condition in which the blinker 41 blinks at the time of left turn at all vehicle speeds from the stop state. In this case, as shown in (e) of FIG. 7, the image processing unit 11 displays the entire left in-vehicle monitor 32 (displays the entire display area of the display device). The right in-vehicle monitor 31 maintains the vehicle speed display state at that time. For example, when driving at high speed, the display on the right in-vehicle monitor 31 in FIG. 7D is the same.
　図３の（ｇ）の設定条件は、停止状態から全ての車速において、右折時のウインカ４１が点滅された条件を示す。この場合、映像加工部１１は、図７の（ｇ）に示すように、右車内モニタ３１を全面表示（表示装置の表示領域全体表示）させて、左車内モニタ３２は、そのときの車速表示状態を維持する。例えば、高速走行時であれば、図７の（ｄ）の左車内モニタ３２の表示と同じとする。 The setting condition of (g) of FIG. 3 indicates the condition in which the blinker 41 blinks at the time of right turn at all vehicle speeds from the stop state. In this case, as shown in (g) of FIG. 7, the image processing unit 11 causes the right in-vehicle monitor 31 to be displayed on the entire surface (display the entire display area of the display device), and the left in-vehicle monitor 32 displays the vehicle speed at that time. Maintain the state. For example, if the vehicle is traveling at high speed, the display on the left in-vehicle monitor 32 shown in FIG.
　なお、前記実施例１では、車速に応じてモニタに表示するカメラ映像の範囲を変化させる例について説明したが、車速に応じてカメラの撮像範囲を変化させてもよい。この例について以下に説明する。 Although the example in which the range of the camera image displayed on the monitor is changed according to the vehicle speed has been described in the first embodiment, the imaging range of the camera may be changed according to the vehicle speed. This example is described below.
　（実施例３）
　車速に応じてカメラの撮像範囲を変化させる例について図１５を参照しながら以下に説明する。 (Example 3)
An example of changing the imaging range of the camera according to the vehicle speed will be described below with reference to FIG.
　図１５の（ａ）は、車速に応じた視界の大きさの変化を示し、（ｂ）は、（ａ）に示す車速に応じたモニタの表示状態の一例を示す。 (A) of FIG. 15 shows the change of the size of the field of view according to the vehicle speed, and (b) shows an example of the display state of the monitor according to the vehicle speed shown in (a).
　自動車１において、右ドアカメラ２１、左ドアカメラ２２の位置に鏡のドアミラーを設置した場合の視界２１ａ，２２ａは、図１５の（ａ）に示すように、当該自動車１の後方に向かって次第に広くなる。 In the case of the automobile 1, when the door mirrors of the mirrors are installed at the positions of the right door camera 21 and the left door camera 22, the fields of view 21a and 22a are gradually shifted toward the rear of the automobile 1 as shown in FIG. Become wider.
　本実施例では、前記実施例１とは異なり、車速に合わせてモニタの表示領域を変えるのではなく、図１５の（ｂ）に示すように、車速に合わせてカメラ撮像範囲を変えている。図１５の（ｂ）は、左ドアカメラ２２で撮像する際に車速が上がるにつれて、左ドアカメラ２２のズーム機能によって撮像範囲を狭く、すなわち拡大している状態を示している。すなわち、左ドアカメラ２２の撮像範囲は、低速時で広く、高速時に狭くなるように設定されている。これは、前記実施例１においても述べたように、一般的に、人間の視覚特性では、自動車１の速度が遅い低速時には視界は広く、自動車１の速度が速い高速時には視界は狭くなるから、左ドアカメラ２２の撮像範囲を低速時で広く、高速時で狭くすることで、自動車１を運転するユーザにとって自然な見え方を提供できるためである。 In the present embodiment, unlike the first embodiment, the display area of the monitor is not changed according to the vehicle speed, but the camera imaging range is changed according to the vehicle speed as shown in FIG. (B) of FIG. 15 shows a state where the imaging range is narrowed, ie, enlarged, by the zoom function of the left door camera 22 as the vehicle speed increases when imaging with the left door camera 22. That is, the imaging range of the left door camera 22 is set to be wide at low speed and narrow at high speed. This is because, as described in the first embodiment, in general, in the human visual characteristic, the visibility is wide when the speed of the car 1 is slow and low, and the view is narrow when the speed of the car 1 is fast. By widening the imaging range of the left door camera 22 at low speed and narrowing at high speed, it is possible to provide a natural view for the user driving the car 1.
　なお、上記の説明では車速に応じて左ドアカメラ２２の撮像範囲を変化させる例について説明しているが、右ドアカメラ２１の撮像範囲も左ドアカメラ２２の撮像範囲の変化に連動している。つまり、右ドアカメラ２１の撮像範囲の変化と左ドアカメラ２２の撮像範囲の変化は連動している。 In the above description, although the example in which the imaging range of the left door camera 22 is changed according to the vehicle speed is described, the imaging range of the right door camera 21 is also interlocked with the change in the imaging range of the left door camera 22 . That is, the change in the imaging range of the right door camera 21 and the change in the imaging range of the left door camera 22 are linked.
　車速に応じた、右ドアカメラ２１、左ドアカメラ２２の撮像範囲の変化の設定は、動作設定部１２によって、前述したＤＢ１８に格納されているテーブル（図４）を参照して行なわれる。 The setting of the change in the imaging range of the right door camera 21 and the left door camera 22 according to the vehicle speed is performed by the operation setting unit 12 with reference to the table (FIG. 4) stored in the DB 18 described above.
　ここでは、動作設定部１２が、操作部４４に設けられたズームボタンが操作された、すなわちズーム機能がＯＮされた状態で、車速検知装置４２が検知する車速に応じた設定条件、すなわち図４に示すテーブルの（ａ）～（ｄ）の設定条件を映像加工部１１に出力し、当該映像加工部１１において設定条件に応じて右車内モニタ３１、左車内モニタ３２の表示状態を変化させている例について説明する。 Here, the setting condition according to the vehicle speed detected by the vehicle speed detection device 42, that is, FIG. 4 when the operation setting unit 12 operates the zoom button provided on the operation unit 44, that is, the zoom function is turned on. The setting conditions (a) to (d) of the table shown in FIG. 6 are output to the image processing unit 11, and the image processing unit 11 changes the display states of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 according to the setting conditions. An example will be described.
　例えば図４の（ａ）の設定条件は、停止を示す。この場合、映像加工部１１は、図９の（ａ）に示すように、左車内モニタ３２には撮像範囲の広い映像を表示させる。ここで、左車内モニタ３２の全面表示におけるカメラ撮像画像を、ズーム機能を実行する際の基準倍率（１倍）とする。 For example, the setting condition of (a) of FIG. 4 indicates stop. In this case, as shown in FIG. 9A, the image processing unit 11 causes the left in-vehicle monitor 32 to display an image having a wide imaging range. Here, the camera-captured image in the full display of the left in-vehicle monitor 32 is taken as a reference magnification (1 ×) when executing the zoom function.
　図４の（ｂ）の設定条件は、低速を示す。この場合、映像加工部１１は、図９の（ｂ）に示すように、左車内モニタ３２には停止時よりも拡大率の高い映像を表示させる。 The setting condition of (b) of FIG. 4 indicates low speed. In this case, as shown in FIG. 9B, the image processing unit 11 causes the left in-vehicle monitor 32 to display an image having a higher enlargement ratio than that at the time of stop.
　図４の（ｃ）の設定条件は、中速を示す。この場合、映像加工部１１は、図９の（ｃ）に示すように、左車内モニタ３２には低速時よりも拡大率の高い映像を表示させる。 The setting condition of (c) of FIG. 4 shows medium speed. In this case, as shown in FIG. 9C, the image processing unit 11 causes the left in-vehicle monitor 32 to display an image with a higher enlargement ratio than that at low speed.
　図４の（ｄ）の設定条件は、高速を示す。この場合、映像加工部１１は、図９の（ｄ）に示すように、左車内モニタ３２には中速時よりも拡大率の高い（撮影範囲の狭い）映像を表示させる。 The setting condition of (d) in FIG. 4 indicates high speed. In this case, as shown in (d) of FIG. 9, the image processing unit 11 causes the left in-vehicle monitor 32 to display an image with a higher magnification (narrowing of the shooting range) than at the middle speed.
　以上の説明では、便宜上、車速を低速、中速、高速の３通りに分けているが、本来、右ドアカメラ２１、左ドアカメラ２２のズーム機能がＯＮされていれば、車速に応じてシームレスに拡大率（撮像範囲）を変化させるようにするのが好ましい。この場合には、図４に示すテーブルを使用するのではなく、車速検知装置４２の検知信号によって右ドアカメラ２１、左ドアカメラ２２のズーム機能を機能させることで実現することができる。 In the above description, the vehicle speed is divided into three modes, low speed, medium speed and high speed for convenience, but if the zoom function of the right door camera 21 and the left door camera 22 is originally ON, seamless depending on the vehicle speed Preferably, the magnification ratio (imaging range) is changed. In this case, the zoom function of the right door camera 21 and the left door camera 22 can be functioned by using the detection signal of the vehicle speed detection device 42 instead of using the table shown in FIG. 4.
　なお、図４の（ａ）～（ｄ）に示す設定条件は、ウインカの操作無しの場合の設定条件であり、左車内モニタ３２の表示に連動して、右車内モニタ３１に表示される映像も車速に応じて拡大率が変化している。 The setting conditions shown in (a) to (d) of FIG. 4 are the setting conditions when there is no operation of the blinker, and the image displayed on the right in-vehicle monitor 31 in conjunction with the display on the left in-vehicle monitor 32. The enlargement ratio changes according to the vehicle speed.
　ここで、ウインカの操作を行なった場合、例えば左折時のウインカの操作が行なわれると、車速に関係無く、左車内モニタ３２は全体表示、すなわち停止時と同じ撮像範囲の広い映像を表示する。この場合、左車内モニタ３２と右車内モニタ３１は非連動であり、右車内モニタ３１は車速に応じた撮像範囲の映像を表示し続けている。この設定条件は、図４に示すテーブルの（ｅ）であり、表示例は、図９の（ｅ）である。 Here, when the turn signal is operated, for example, when the turn signal at the time of left turning is performed, the left in-vehicle monitor 32 displays the entire image, that is, a wide image of the same imaging range as that at the stop time. In this case, the left in-vehicle monitor 32 and the right in-vehicle monitor 31 are not linked, and the right in-vehicle monitor 31 continues to display an image of the imaging range corresponding to the vehicle speed. The setting condition is (e) of the table shown in FIG. 4, and the display example is (e) of FIG.
　なお、ズーム機能をＯＦＦに設定することもできる。例えば図４の(ｆ)に示すように、ズーム機能がＯＦＦに設定されている場合、車速に応じた表示や、ウインカの操作が行なわれないようにする。この場合、右ドアカメラ２１、左ドアカメラ２２の撮影画像は、図８の（ｆ）、右車内モニタ３１、左車内モニタ３２の表示画像は、図９の（ｆ）のように、鏡のドアミラーで見るように変化はない。 The zoom function can also be set to OFF. For example, as shown in (f) of FIG. 4, when the zoom function is set to OFF, the display according to the vehicle speed and the operation of the turn signal are not performed. In this case, the photographed images of the right door camera 21 and the left door camera 22 are as shown in FIG. 8 (f), and the display images of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 are like mirror images as shown in FIG. There is no change as seen on the door mirror.
　前記実施例１～３において、右車内モニタ３１、左車内モニタ３２は、図２に示すように、運転席のハンドル近傍に設置されている。これにより、自動車１を運転するユーザは、左右後方の確認のために、左右のドアミラーを確認する場合よりも目線の移動が少なくて済むというメリットがある。さらなるメリットについて以下の実施例４において説明する。 In the first to third embodiments, the right in-vehicle monitor 31 and the left in-vehicle monitor 32 are disposed in the vicinity of the steering wheel of the driver's seat, as shown in FIG. As a result, there is an advantage that the user driving the automobile 1 can move his eyes less than the case of checking the left and right door mirrors for checking the left and right rear. Further advantages are described in Example 4 below.
　（実施例４）
　右車内モニタ３１、左車内モニタ３２を、運転席のハンドル近傍に設置した場合の種々の工夫について図１６を参照しながら以下に説明する。 (Example 4)
Various measures when the right in-vehicle monitor 31 and the left in-vehicle monitor 32 are installed near the steering wheel of the driver's seat will be described below with reference to FIG.
　図１６は、右車内モニタ３１、左車内モニタ３２に映し出した映像の表示状態の変化の一例を示す。 FIG. 16 shows an example of the change in the display state of the image projected on the right in-vehicle monitor 31 and the left in-vehicle monitor 32.
　図１６の（ａ）は、右ドアカメラ２１、左ドアカメラ２２のそれぞれから取り込んだ画像（原画像）を示している。本実施例では、この原画像に対して、輝度低減、画像鮮鋭化、物体検知等を行なって、自動車１を運転するユーザの疲れを低減し、また、視認性をアップさせる。 FIG. 16A shows images (original images) captured from the right door camera 21 and the left door camera 22 respectively. In this embodiment, brightness reduction, image sharpening, object detection, and the like are performed on the original image to reduce fatigue of the user driving the automobile 1 and to improve visibility.
　図１６の（ｂ）は、右車内モニタ３１、左車内モニタ３２の輝度を表示された映像の視認可能レベルまで落とした例を示している。この場合、視認可能レベルは、一定にしてもよいが、昼、夜、トンネル内、天候などによって、右車内モニタ３１、左車内モニタ３２の周囲の明るさが変化するので、周囲の明るさに応じて設定する必要がある。 (B) of FIG. 16 shows an example in which the brightness of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 is reduced to the visible level of the displayed image. In this case, the visible level may be constant, but the brightness around the right in-car monitor 31 and the left in-car monitor 32 changes according to day, night, in the tunnel, weather, etc. It is necessary to set accordingly.
　実際には、図１に示す照度センサ４３によって右車内モニタ３１、左車内モニタ３２の周囲の明るさを検知し、この検知信号によって動作設定部１２が右車内モニタ３１、左車内モニタ３２の輝度を最適な値に設定する。このように設定された視認可能レベルの輝度で映像を表示すれば、ユーザの疲れが低減するという効果や、車内モニタの映像が前方視野を邪魔しないという効果を奏する。 Actually, the brightness around the right in-vehicle monitor 31 and the left in-vehicle monitor 32 is detected by the illuminance sensor 43 shown in FIG. 1, and the operation setting unit 12 detects the brightness of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 by this detection signal. Set to the optimal value. If an image is displayed with the luminance set at such a visible level, the effect of reducing the fatigue of the user and the effect that the image of the in-vehicle monitor does not disturb the forward visual field are exhibited.
　上記の例では、視認可能レベルを設定する例について説明したが、逆に、図１６の（ｃ）に示すように、図１６の（ａ）に示す原画像よりも輝度レベルをアップさせることで、画像を鮮鋭化して、ユーザによる視認性を高めるようにしてもよい。 In the above example, the example of setting the viewable level has been described, but conversely, as shown in (c) of FIG. 16, the luminance level is made higher than the original image shown in (a) of FIG. The image may be sharpened to improve the visibility by the user.
　輝度レベルは、ユーザによる輝度アップボタンの操作が行なわれたとき、または、ウインカ４１による操作が行なわれたときにアップするように設定されている。 The brightness level is set to increase when the user operates the brightness up button or when the blinker 41 performs an operation.
　なお、本実施例では、右車内モニタ３１に表示される映像の輝度、左車内モニタ３２に表示される映像の輝度の変化は、連動している。しかしながら、ウインカ４１を操作した場合には、操作した側の映像のみを鮮鋭化するようにし、操作されていない側の映像を鮮鋭化しないように、右車内モニタ３１、左車内モニタ３２の輝度変化を非連動としてもよい。 In the present embodiment, the change in the brightness of the image displayed on the right in-vehicle monitor 31 and the change in the brightness of the image displayed on the left in-vehicle monitor 32 are interlocked. However, when the blinker 41 is operated, only the image on the operated side is sharpened, and the luminance change on the right in-vehicle monitor 31 and the left in-vehicle monitor 32 is performed so as not to sharpen the unoperated side. It is also possible not to interlock.
　すなわち、自動車１に搭載されたウインカ４１が作動したとき、当該ウインカ４１が作動した側の右ドアカメラ２１、左ドアカメラ２２で撮影した映像を表示する右車内モニタ３１、左車内モニタ３２の輝度を、当該ウインカ４１が作動していない側の右ドアカメラ２１、左ドアカメラ２２で撮影した映像を表示する右車内モニタ３１、左車内モニタ３２の輝度よりも高くする。 That is, when the winker 41 mounted on the automobile 1 is operated, the brightness of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 for displaying an image photographed by the right door camera 21 and the left door camera 22 on the operated side of the winker 41 Is set higher than the luminances of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 for displaying an image captured by the right door camera 21 and the left door camera 22 on the side where the winker 41 is not operating.
　右車内モニタ３１、左車内モニタ３２の見え方改善（輝度、先鋭化）の設定は、動作設定部１２によって、前述したＤＢ１８に格納されているテーブル（図５）を参照して行なわれる。 The setting of how to improve the appearance (brightness, sharpening) of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 is performed by the operation setting unit 12 with reference to the table (FIG. 5) stored in the DB 18 described above.
　ここでは、動作設定部１２が、ウインカ操作と、輝度ＡＵＴＯ、鮮鋭化ＡＵＴＯ、ＣＡＮＣＥＬとウインカの操作との設定条件、すなわち図５に示すテーブルの（ａ）～（ｄ）の設定条件を映像加工部１１に出力し、当該映像加工部１１において設定条件に応じて右車内モニタ３１、左車内モニタ３２の表示状態を変化させている例について説明する。 Here, the operation setting unit 12 processes the setting conditions of the blinker operation, the brightness AUTO, the sharpening AUTO, the CANCEL and the operation of the blinker, that is, the setting conditions (a) to (d) of the table shown in FIG. An example in which the display state of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 is changed according to the setting condition in the image processing unit 11 will be described.
　輝度ＡＵＴＯが実行されていると、右車内モニタ３１、左車内モニタ３２の輝度を全体的に低下させる。鮮鋭化ＡＵＴＯが実行されていると、右車内モニタ３１、左車内モニタ３２の輝度を全体的にアップさせる。 When the luminance AUTO is being executed, the luminances of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 are entirely reduced. When sharpening AUTO is executed, the overall brightness of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 is increased.
　但し、ＣＡＮＣＥＬが実行された状態、すなわち輝度ＡＵＴＯおよび鮮鋭化ＡＵＴＯが実行されていない状態では、右車内モニタ３１、左車内モニタ３２の輝度を標準にする。 However, in the state in which CANCEL is performed, that is, in the state in which the luminance AUTO and the sharpening AUTO are not performed, the luminances of the right in-vehicle monitor 31 and the left in-vehicle monitor 32 are made standard.
　例えば図５の（ａ）の設定条件は、輝度ＡＵＴＯを実行することを示す。この場合、映像加工部１１は、図１１の（ａ）に示すように、右車内モニタ３１、左車内モニタ３２において、全体的に輝度を低下させる。なお、輝度レベルは、運転者が十分認識できる状態で、運転者毎に設定できる。 For example, the setting condition of (a) of FIG. 5 indicates that the luminance AUTO is to be executed. In this case, as shown in (a) of FIG. 11, the image processing unit 11 entirely reduces the luminance in the right in-vehicle monitor 31 and the left in-vehicle monitor 32. The luminance level can be set for each driver in a state where the driver can sufficiently recognize.
　図５の（ｂ）の設定条件は、輝度ＡＵＴＯおよび鮮鋭化ＡＵＴＯがキャンセルされていることを示す。この場合、映像加工部１１は、図１１の（ｂ）に示すように、右車内モニタ３１、左車内モニタ３２において、輝度／鮮鋭度を標準にする。ここで、「輝度／鮮鋭度」は、輝度おおび鮮鋭度を意味する。 The setting conditions of (b) of FIG. 5 indicate that the luminance AUTO and the sharpening AUTO are canceled. In this case, as shown in (b) of FIG. 11, the image processing unit 11 sets the brightness / sharpness to be standard at the right in-vehicle monitor 31 and the left in-vehicle monitor 32. Here, "brightness / sharpness" means brightness and sharpness.
　図５の（ｃ）の設定条件は、鮮鋭化ＡＵＴＯを実行することを示す。この場合、映像加工部１１は、図１１の（ｃ）に示すように、右車内モニタ３１、左車内モニタ３２において、全体的に鮮鋭度をアップさせる。 The setting condition of (c) of FIG. 5 indicates that sharpening AUTO is to be performed. In this case, as shown in (c) of FIG. 11, the image processing unit 11 increases the sharpness in the entire in-vehicle monitor 31 and the in-vehicle monitor 32 as a whole.
　図５の（ｄ）の設定条件は、輝度ＡＵＴＯおよび鮮鋭化ＡＵＴＯが実行され、左ウインカが操作されたことを示す。この場合、映像加工部１１は、図１１の（ｄ）に示すように、左車内モニタ３２の輝度／鮮鋭度を標準にし、右車内モニタ３１の映像鮮鋭度（例えば、エッジ強調等）は、輝度ＡＵＴＯ、鮮鋭化ＡＵＴＯの状態を維持する。これにより、左ウインカを操作した側の左車内モニタ３２が見やすくなり、視認性の向上が図ることができる。 The setting conditions of (d) in FIG. 5 indicate that the luminance AUTO and the sharpening AUTO are performed and the left blinker is operated. In this case, as shown in (d) of FIG. 11, the image processing unit 11 uses the brightness / sharpness of the left in-vehicle monitor 32 as a standard and the image sharpness of the right in-vehicle monitor 31 (for example, edge enhancement) Maintain the state of luminance AUTO and sharpening AUTO. As a result, the left in-vehicle monitor 32 on the side of operating the left blinker can be easily viewed, and the visibility can be improved.
　また、図１６の（ｄ）に示すように、右ドアカメラ２１、左ドアカメラ２２によって撮像された映像から物体（他の自動車）を検知し、右車内モニタ３１、左車内モニタ３２に検知した情報（枠点部分）を表示するようにしてもよい。この場合、一般的な画像認識処理を用いて物体を検知する。 In addition, as shown in (d) of FIG. 16, an object (another car) is detected from the image captured by the right door camera 21 and the left door camera 22 and detected in the right in-vehicle monitor 31 and the left in-vehicle monitor 32. Information (frame point portion) may be displayed. In this case, a general image recognition process is used to detect an object.
　検知した物体に枠点を設けることで視認性はアップするが、さらに、輝度をアップさせて視認性をアップさせるようにしてもよい。 Although the visibility is improved by providing a frame point on the detected object, the luminance may be further increased to improve the visibility.
　ここまで、電子ミラーシステムを現行の鏡のドアミラーに置き換えた際のユーザによる視認性を考慮した例について説明したが、以下では、現行の鏡のドアミラーから電子ミラーシステムに置き換えたときに、ユーザが慣れるまでの方法について説明する。 Although the example which considered the visibility by the user at the time of replacing the electronic mirror system with the existing mirror door mirror has been described above, when replacing the existing mirror door mirror with the electronic mirror system, the user Explain how to get used to.
　（ドアミラーの電子ミラーシステムへの置換）
　図１７は、ドアミラーの視界要求範囲を説明するための図である。 (Replacement of door mirror with electronic mirror system)
FIG. 17 is a diagram for explaining the required field of view of the door mirror.
　図１８は、鏡を用いたドアミラーを電子ミラーシステムに置き換えたときの映像の表示状態を示す図である。 FIG. 18 is a diagram showing a display state of an image when a door mirror using a mirror is replaced with an electronic mirror system.
　自動車１において、右ドアカメラ２１、左ドアカメラ２２の位置に鏡のドアミラーを設置した場合の視界２１ａ，２２ａは、図１７に示すように、当該自動車１の後方に向かって次第に広くなる。しかも、鏡のドアミラーでは、図１８の（ａ）に示すように、運転席からの距離や角度が左右で異なるので、左右のドアミラーの見え方が異なる。 In the car 1, the field of view 21 a, 22 a when the mirror door mirror is installed at the position of the right door camera 21 and the left door camera 22 gradually widens toward the rear of the car 1 as shown in FIG. 17. Moreover, in the door mirror of the mirror, as shown in (a) of FIG. 18, the distance and angle from the driver's seat are different on the left and right, so the way of viewing the left and right door mirrors is different.
　図１８の（ｂ）は、左右ともに同じ仕様（解像度、設置方法）のカメラ（右ドアカメラ２１、左ドアカメラ２２）が撮像した映像を、右車内モニタ３１、左車内モニタ３２に表示する際に、左右で見え方を異ならせて、図１８の（ａ）に示す鏡のドアミラーでの見え方を再現するようにした第１ミラーモードを示す。第１ミラーモードでは、図１８の（ｂ）に示すように撮像した映像を、右車内モニタ３１、左車内モニタ３２に表示する際に、左右で見え方を異ならせることで、現行の鏡のドアミラーにおける見え方に近づけることができる。これにより、自動車１を運転するユーザは違和感無く、左右後方の映像を見ることができる。 When displaying the image which the camera (right door camera 21 and left door camera 22) of the specification (resolution, the installation method) of the same right and left in (b) of FIG. 18 imaged on the right in-vehicle monitor 31 and the left in-vehicle monitor 32. 18 shows a first mirror mode in which the way of looking at the door mirror of the mirror shown in (a) of FIG. In the first mirror mode, when displaying an image captured as shown in (b) of FIG. 18 on the right in-vehicle monitor 31 and the left in-vehicle monitor 32, the way of viewing is different between the left and right It can be brought close to the appearance in the door mirror. As a result, the user driving the car 1 can view the left and right rear images without discomfort.
　図１８の（ｃ）は、ユーザが電子ミラーシステムに慣れるようにするために、左右のミラー（右車内モニタ３１、左車内モニタ３２）の表示範囲を拡げた第２ミラーモードを示す。第２ミラーモードでは、左ミラー（左車内モニタ３２）の表示範囲の拡大幅を大きく、右ミラー（右車内モニタ３１）の表示範囲の拡大幅を小さくしている。 FIG. 18C shows a second mirror mode in which the display range of the left and right mirrors (the right in-vehicle monitor 31 and the left in-vehicle monitor 32) is expanded in order to make the user get used to the electronic mirror system. In the second mirror mode, the expansion range of the display range of the left mirror (left in-vehicle monitor 32) is made large, and the expansion range of the display range of the right mirror (right in-vehicle monitor 31) is made small.
　図１８の（ｄ）は、左右のミラー（右車内モニタ３１、左車内モニタ３２）の表示範囲を最大限まで拡げた第３ミラーモードを示す。この第３ミラーモードは、前述した実施例１～４までの説明で使用した電子ミラーシステムに適応されるミラーモードである。 FIG. 18D shows a third mirror mode in which the display range of the left and right mirrors (right in-vehicle monitor 31 and left in-vehicle monitor 32) is expanded to the maximum. The third mirror mode is a mirror mode applied to the electronic mirror system used in the description of the first to fourth embodiments described above.
　〔実施形態２〕
　本発明の他の実施形態について、以下に説明する。なお、説明の便宜上、上記実施形態にて説明した部材と同じ機能を有する部材については、同じ符号を付記し、その説明を省略する。 Second Embodiment
Other embodiments of the present invention are described below. In addition, about the member which has the same function as the member demonstrated in the said embodiment for convenience of explanation, the same code | symbol is appended and the description is abbreviate | omitted.
　（電子ミラーシステム）
　図１９は、本実施形態に係る電子ミラーシステム１０２の概略構成を示すブロック図である。 (Electronic mirror system)
FIG. 19 is a block diagram showing a schematic configuration of the electronic mirror system 102 according to the present embodiment.
　電子ミラーシステム１０２は、前記実施形態１の電子ミラーシステム１０１（図１）とほとんど同じ構成であるが、右ドアカメラ５１、左ドアカメラ５２の機能が異なる。すなわち、右ドアカメラ５１、左ドアカメラ５２は、車速およびウインカ操作に応じて画角を変化させることができる点で、図１に示す右ドアカメラ２１、左ドアカメラ２２と異なる。 The electronic mirror system 102 has almost the same configuration as the electronic mirror system 101 (FIG. 1) of the first embodiment, but the functions of the right door camera 51 and the left door camera 52 are different. That is, the right door camera 51 and the left door camera 52 are different from the right door camera 21 and the left door camera 22 shown in FIG. 1 in that the angle of view can be changed according to the vehicle speed and the blinker operation.
　（左／右折時の最適表示）
　電子ミラーシステム１０２を用いた左／右折時の最適表示について図２０，２１を参照しながら以下に説明する。 (Optimum display when turning left / right)
The optimum display at the time of left / right turn using the electronic mirror system 102 will be described below with reference to FIGS.
　図２０は、電子ミラーシステム１０２を搭載した自動車１の左折時の最適表示について説明するための図である。 FIG. 20 is a view for explaining the optimum display at the time of left turn of the automobile 1 on which the electronic mirror system 102 is mounted.
　図２１は、電子ミラーシステム１０２を搭載した自動車１の右折時の最適表示について説明するための図である。 FIG. 21 is a view for explaining the optimum display at the time of the right turn of the automobile 1 on which the electronic mirror system 102 is mounted.
　（左折時）
　図２０の（ａ）に示すように、自動車１の左後方にオートバイ３が走行しているときに、低速時（左折可能な速度）で、且つ左にウインカを出している場合、左ドアカメラ５２は超広域の画角によって撮像する。この場合、撮像した映像は、図２０の（ｄ）に示すように、オートバイ３のほぼ全体が映し出されたものになる。これにより、左折時のオートバイ３の巻き込みを回避することができる。 (At left turn)
As shown in (a) of FIG. 20, when the motorcycle 3 is traveling to the left rear of the automobile 1, when the winker is being output at a low speed (speed capable of turning left) and a left door camera An image 52 is captured at an extremely wide angle of view. In this case, as shown in (d) of FIG. 20, the captured image is one in which almost the entire motorcycle 3 is shown. Thereby, the involvement of the motorcycle 3 at the time of left turn can be avoided.
　ここでは、自動車１に搭載されたウインカ４１が作動したとき、車速検知装置４２によって検知された車速が予め設定した車速以下のとき、すなわち低速のとき、上記ウインカ４１が作動した側の右ドアカメラ５１また左ドアカメラ５２の画角を、当該右ドアカメラ５１また左ドアカメラ５２の最大画角（超広域画角）まで拡げるようにするのが好ましい。 Here, when the blinker 41 mounted on the automobile 1 operates, the right door camera on the side on which the blinker 41 operated when the vehicle speed detected by the vehicle speed detection device 42 is lower than a preset vehicle speed, that is, low speed. It is preferable that the angle of view of the left door camera 52 be expanded to the maximum angle of view (super wide angle of view) of the right door camera 51 or the left door camera 52.
　図２０の（ｂ）に示すように、自動車１の左後方にオートバイ３が走行しているときに、中速時で、且つ左にウインカを出している場合、左ドアカメラ５２は図２０の（ａ）に示す超広域の画角よりも狭い広域の画角によって撮像する。この場合、撮像した映像は、図２０の（ｅ）に示すように、オートバイ３の半分程度が映し出されたものになる。 As shown in (b) of FIG. 20, when the motorcycle 3 is traveling to the left rear of the automobile 1, when the winker is being output at medium speed and to the left, the left door camera 52 is shown in FIG. Images are taken with a wide angle of view that is narrower than the ultra-wide angle of view shown in (a). In this case, as shown in (e) of FIG. 20, about half of the motorcycle 3 is displayed.
　図２０の（ｃ）に示すように、自動車１の左後方にオートバイ３が走行しているときに、速度に関係無く、ウインカを出していない場合、左ドアカメラ５２は図２０の（ｂ）に示す広域の画角よりも狭い通常の画角によって撮像する。この場合、撮像した映像は、図２０の（ｆ）に示すように、オートバイ３の一部が映し出されたものになる。 As shown in (c) of FIG. 20, when the motorcycle 3 is traveling to the left rear of the automobile 1, regardless of the speed, when the turn signal is not output, the left door camera 52 is shown in (b) of FIG. Images are taken with a normal angle of view narrower than the wide angle of view shown in FIG. In this case, as shown in (f) of FIG. 20, the captured image is a part of the motorcycle 3 displayed.
　（右折時）
　図２１の（ａ）に示すように、自動車１の左後方にオートバイ３が走行しているときに、低速時で、且つ右にウインカを出している場合、右ドアカメラ５１は広域の画角によって撮像する。この場合、右折時は、巻き込みがほとんど無いため、左折時のように、超高域の画角にしなくても、広域の画角で十分である。 (When turning right)
As shown in (a) of FIG. 21, when the motorcycle 3 is traveling to the left rear of the automobile 1, when the low-speed, and blinker is emitted to the right, the right door camera 51 has a wide angle of view. Image by In this case, since there is almost no entrainment when turning right, it is sufficient to use a wide angle of view without setting the angle of view of the ultra-high range as when turning left.
　図２１の（ｂ）に示すように、自動車１の左後方にオートバイ３が走行しているときに、中速時で、且つ右にウインカを出している場合、右ドアカメラ５１は図２１の（ａ）に示す広域の画角と同じ画角で撮像する。 As shown in (b) of FIG. 21, when the motorcycle 3 is traveling to the left rear of the automobile 1, when the blinker is being output at medium speed and to the right, the right door camera 51 is shown in FIG. Images are taken at the same angle of view as the wide angle of view shown in (a).
　図２１の（ｃ）に示すように、自動車１の左後方にオートバイ３が走行しているときに、速度に関係無く、ウインカを出していない場合、右ドアカメラ５１は図２１の（ａ）に示す広域の画角よりも狭い通常の画角によって撮像する。 As shown in (c) of FIG. 21, when the motorcycle 3 is traveling in the left rear of the automobile 1, regardless of the speed, when the turn signal is not output, the right door camera 51 is shown in (a) of FIG. Images are taken with a normal angle of view narrower than the wide angle of view shown in FIG.
　右ドアカメラ５１、左ドアカメラ５２の画角の設定は、動作設定部１２によって行なわれる。すなわち、動作設定部１２は、車速検知装置４２の検知信号、ウインカ４１の操作の有無を判断し、右ドアカメラ５１、左ドアカメラ５２の画角を設定する。 The setting of the angle of view of the right door camera 51 and the left door camera 52 is performed by the operation setting unit 12. That is, the operation setting unit 12 determines the detection signal of the vehicle speed detection device 42 and the presence or absence of the operation of the winker 41, and sets the angle of view of the right door camera 51 and the left door camera 52.
　〔実施形態３〕
　本発明の実施形態について以下に説明する。 Third Embodiment
Embodiments of the present invention will be described below.
　電子ミラーシステム１０１の制御部１０の各ブロックは、集積回路（ＩＣチップ）等に形成された論理回路（ハードウェア）によって実現してもよいし、ソフトウェアによって実現してもよい。後者の場合、制御部１０を、コンピュータ（電子計算機）を用いて構成することができる。 Each block of the control unit 10 of the electronic mirror system 101 may be realized by a logic circuit (hardware) formed in an integrated circuit (IC chip) or the like, or may be realized by software. In the latter case, the control unit 10 can be configured using a computer (electronic computer).
　電子ミラーシステム１０１の制御部１０として利用可能なコンピュータは、バスを介して互いに接続された演算装置と、主記憶装置と、補助記憶装置と、入出力インターフェースと、通信インターフェースとを備えている。演算装置、主記憶装置、および補助記憶装置は、それぞれ、例えばプロセッサ（例えばＣＰＵ：Central Processing Unit等）、ＲＡＭ（random access memory）、ハードディスクドライブであってもよい。入出力インターフェースには、ユーザがコンピュータに各種情報を入力するための入力装置、および、コンピュータがユーザに各種情報を出力するための出力装置が接続される。入力装置および出力装置は、コンピュータに内蔵されたものであってもよいし、コンピュータに接続された（外付けされた）ものであってもよい。例えば、入力装置は、キーボード、マウス、タッチセンサなどであってもよく、出力装置は、ディスプレイ、プリンタ、スピーカなどであってもよい。また、タッチセンサとディスプレイとが一体化されたタッチパネルのような、入力装置および出力装置の双方の機能を有する装置を適用してもよい。そして、通信インターフェースは、コンピュータが外部の装置と通信するためのインターフェースである。 A computer that can be used as the control unit 10 of the electronic mirror system 101 includes an arithmetic unit connected to each other via a bus, a main storage unit, an auxiliary storage unit, an input / output interface, and a communication interface. The arithmetic device, the main storage device, and the auxiliary storage device may each be, for example, a processor (for example, CPU: Central Processing Unit), a RAM (random access memory), or a hard disk drive. Connected to the input / output interface are an input device for the user to input various information to the computer, and an output device for the computer to output various information to the user. The input device and the output device may be built in the computer or may be connected (externally attached) to the computer. For example, the input device may be a keyboard, a mouse, a touch sensor, etc., and the output device may be a display, a printer, a speaker, etc. In addition, a device having both the functions of an input device and an output device, such as a touch panel in which a touch sensor and a display are integrated may be applied. The communication interface is an interface for the computer to communicate with an external device.
　補助記憶装置には、コンピュータを電子ミラーシステム１０１及び１０２の制御部１０として動作させるための各種のプログラムが格納されている。そして、演算装置は、補助記憶装置に格納された上記プログラムを主記憶装置上に展開して該プログラムに含まれる命令を実行することによって、コンピュータを、電子ミラーシステム１０１及び１０２の制御部１０が備える各部として機能させる。なお、補助記憶装置が備える、プログラム等の情報を記録する記録媒体は、コンピュータ読み取り可能な「一時的でない有形の媒体」であればよく、例えば、テープ、ディスク、カード、半導体メモリ、プログラマブル論理回路などであってもよい。また、記録媒体に記録されているプログラムを、主記憶装置上に展開することなく実行可能なコンピュータであれば、主記憶装置を省略してもよい。なお、上記各装置（演算装置、主記憶装置、補助記憶装置、入出力インターフェース、通信インターフェース、入力装置、および出力装置）は、それぞれ１つであってもよいし、複数であってもよい。 The auxiliary storage device stores various programs for causing a computer to operate as the control unit 10 of the electronic mirror systems 101 and 102. Then, the arithmetic unit expands the above-mentioned program stored in the auxiliary storage unit onto the main storage unit and executes an instruction included in the program, whereby the control unit 10 of the electronic mirror systems 101 and 102 performs the computer. It functions as each part equipped. The recording medium provided in the auxiliary storage device for recording information such as a program may be a computer readable “non-temporary tangible medium”, for example, a tape, a disk, a card, a semiconductor memory, a programmable logic circuit Or the like. Further, the main storage device may be omitted as long as the computer can execute the program recorded on the recording medium without expanding the program on the main storage device. Note that each of the above-described devices (a computing device, a main storage device, an auxiliary storage device, an input / output interface, a communication interface, an input device, and an output device) may be one or more.
　また、上記プログラムは、コンピュータの外部から取得してもよく、この場合、任意の伝送媒体（通信ネットワークや放送波等）を介して取得してもよい。そして、本発明は、上記プログラムが電子的な伝送によって具現化された、搬送波に埋め込まれたデータ信号の形態でも実現され得る。 Further, the program may be acquired from the outside of the computer, and in this case, may be acquired via any transmission medium (a communication network, a broadcast wave, etc.). The present invention can also be realized in the form of a data signal embedded in a carrier wave in which the program is embodied by electronic transmission.
　〔まとめ〕
　本発明の態様１に係る電子ミラーシステムは、車両（自動車１）に搭載され、当該車両（自動車１）の少なくとも後方を撮像する撮像装置（右ドアカメラ２１、左ドアカメラ２２）と、上記車両（自動車１）に搭載され、上記撮像装置（右ドアカメラ２１、左ドアカメラ２２）によって撮像された映像を表示する表示装置（右車内モニタ３１、左車内モニタ３２）、上記車両（自動車１）示す運転状況情報に対応付けられた映像の表示方法によって、上記撮像装置（右ドアカメラ２１、左ドアカメラ２２）が撮像した映像を上記表示装置（右車内モニタ３１、左車内モニタ３２）に表示させる表示制御装置（制御部１０）と、を備えている。 [Summary]
An electronic mirror system according to aspect 1 of the present invention is mounted on a vehicle (automobile 1), and an imaging device (right door camera 21, left door camera 22) for imaging at least the rear of the vehicle (automobile 1); A display device (right in-car monitor 31, left in-car monitor 32) mounted on (automobile 1) and displaying an image captured by the imaging device (right door camera 21, left door camera 22), the vehicle (automobile 1) The image captured by the imaging device (right door camera 21, left door camera 22) is displayed on the display device (right in-car monitor 31, left in-car monitor 32) according to the display method of the image associated with the driving condition information shown And a display control device (control unit 10).
　上記構成によれば、車両の運転の状況を示す運転状況情報に対応付けられた映像の表示方法によって、撮像装置が撮像した映像が表示装置に表示されるので、運転状況（車速、ウインカの有無等）に応じた最適な映像を表示装置に表示させることが可能となる。これにより、車両を運転するユーザにとって表示装置に映し出される映像を、運転の状況に応じて見やすくすることができる。従って、ユーザは、安心、安全に後方、側方の確認を行なうことができる。 According to the above configuration, the image captured by the imaging device is displayed on the display device according to the method of displaying the image associated with the driving status information indicating the driving status of the vehicle. Etc.) can be displayed on the display device. This makes it possible for the user driving the vehicle to easily view the image displayed on the display device according to the driving situation. Therefore, the user can confirm the back and sides safely and safely.
　本発明の態様２に係る電子ミラーシステムは、上記態様１において、上記車両（自動車１）の速度を検知する車速検知装置４２をさらに備え、上記表示制御装置（制御部１０）は、上記車速検知装置４２によって検知された車速に応じて、上記表示装置（右車内モニタ３１、左車内モニタ３２）に表示される映像の表示状態を変化させてもよい。 The electronic mirror system according to aspect 2 of the present invention further includes a vehicle speed detection device 42 for detecting the speed of the vehicle (car 1) according to aspect 1 above, and the display control device (control unit 10) detects the vehicle speed Depending on the vehicle speed detected by the device 42, the display state of the image displayed on the display device (the right in-vehicle monitor 31, the left in-vehicle monitor 32) may be changed.
　上記構成によれば、表示装置に表示される映像の表示状態が、車速に応じて変化することで、当該表示装置に表示される映像が車両の速度に応じて最適に見えるように表示領域を調整することが可能となる。 According to the above configuration, the display state of the image displayed on the display device changes in accordance with the vehicle speed, and the display area is displayed so that the image displayed on the display device can be viewed optimally according to the speed of the vehicle. It becomes possible to adjust.
　本発明の態様３に係る電子ミラーシステムは、上記態様２において、上記表示制御装置（制御部１０）は、上記車速検知装置４２によって検知された車速が速いほど上記表示装置（右車内モニタ３１、左車内モニタ３２）に表示される映像の明瞭な領域を小さくする構成であってもよい。 In the electronic mirror system according to the third aspect of the present invention, in the second aspect, the display control device (control unit 10) displays the display device (the right in-vehicle monitor 31, as the vehicle speed detected by the vehicle speed detection device 42 increases. The clear area of the image displayed on the left in-vehicle monitor 32) may be reduced.
　上記構成によれば、車速が速いほど、表示装置に表示される映像の明瞭な領域を小さくすることで、人間の視覚特性に合った表示となるため、車両を運転するユーザの目が疲れにくくなる。 According to the above configuration, by reducing the clear area of the image displayed on the display device as the vehicle speed increases, the display matches the visual characteristics of human beings, so the eyes of the user driving the vehicle are less tired Become.
　本発明の態様４に係る電子ミラーシステムは、上記態様２または３において、上記表示制御装置は、上記表示装置（右車内モニタ３１、左車内モニタ３２）の上記映像の表示領域のうち、当該映像が速度によらず明瞭な状態で表示される領域以外に、当該映像とは別の情報を重ねて表示させてもよい。 In the electronic mirror system according to aspect 4 of the present invention, in the aspect 2 or 3, the display control device displays the image in the display area of the image of the display device (right in-vehicle monitor 31 and left in-vehicle monitor 32). In addition to the area displayed in a clear state regardless of the speed, information other than the video may be superimposed and displayed.
　上記構成によれば、映像とは別の情報を重ねて表示させることで、撮像装置によって撮像された映像以外の情報を運転するユーザに提供することができる。 According to the above configuration, by overlapping and displaying information different from the video, it is possible to provide the user who operates the information other than the video captured by the imaging device.
　本発明の態様５に係る電子ミラーシステムは、上記態様４において、上記表示制御装置（制御部１０）は、上記車速検知装置４２によって検知された車速が速いほど、上記表示装置（右車内モニタ３１、左車内モニタ３２）に表示されている、上記映像とは別の情報を明瞭に表示させてもよい。 In the electronic mirror system according to aspect 5 of the present invention, in the aspect 4, the display control device (control unit 10) causes the display device (the right in-vehicle monitor 31) to increase as the vehicle speed detected by the vehicle speed detection device 42 increases. , Information displayed on the left in-vehicle monitor 32) may be displayed clearly.
　上記構成によれば、ユーザが撮像された映像以外の情報を確実に認識できるようになる。 According to the above configuration, the user can reliably recognize information other than the captured video.
　本発明の態様６に係る電子ミラーシステムは、上記態様４において、上記撮像装置（右ドアカメラ２１、左ドアカメラ２２）は、上記車両（自動車１）の左右にそれぞれ搭載され、上記表示装置（右車内モニタ３１、左車内モニタ３２）は、上記左右の撮像装置（右ドアカメラ２１、左ドアカメラ２２）で撮像したそれぞれの映像を同時に表示可能であり、上記表示制御装置（制御部１０）は、上記車両（自動車１）に搭載されたウインカ４１が作動した側の撮像装置（右ドアカメラ２１、左ドアカメラ２２）によって撮像された映像を、当該映像の明瞭な範囲を最大にして上記表示装置（右車内モニタ３１、左車内モニタ３２）に表示させてもよい。 In the electronic mirror system according to the sixth aspect of the present invention, in the fourth aspect, the imaging devices (the right door camera 21 and the left door camera 22) are mounted on the left and right of the vehicle (the car 1). The right in-car monitor 31 and the left in-car monitor 32) can simultaneously display the images captured by the left and right imaging devices (right door camera 21 and left door camera 22), and the display control device (control unit 10) The image captured by the imaging device (right door camera 21 and left door camera 22) on the side on which the blinker 41 mounted on the vehicle (automobile 1) is operated is used to maximize the clear range of the image. It may be displayed on a display device (right in-vehicle monitor 31, left in-vehicle monitor 32).
　上記構成によれば、ウインカ作動側の車両後方の映像をユーザが確実に視認することができる。ウインカ作動時は、車線変更または右左折時であるので、ウインカ作動側の後方の確認を確実に行なう必要があるので、上記のように、ウインカ作動側の車両後方の映像をユーザが確実に視認することができれば、安全に車線変更または右左折を行なうことができる。 According to the above configuration, the user can reliably view the video behind the blinker on the vehicle side. Since it is time to change lanes or turn left when the blinker is operating, it is necessary to confirm the rear of the blinker operating side with certainty. Therefore, as described above, the user reliably recognizes the image behind the blinker operating side If you can, you can safely change lanes or turn left or right.
　本発明の態様７に係る電子ミラーシステムは、車両（自動車１）に搭載され、当該車両（自動車１）の少なくとも後方を撮像する撮像装置（右ドアカメラ５１、左ドアカメラ５２）と、上記車両（自動車１）に搭載され、上記撮像装置（右ドアカメラ５１、左ドアカメラ５２）によって撮像された映像を表示する表示装置（右車内モニタ３１、左車内モニタ３２）と、上記車両（自動車１）の速度を検知する車速検知装置４２と、上記撮像装置（右ドアカメラ５１、左ドアカメラ５２）の画角を変化させる撮像制御装置（制御部１０）と、を備え、上記撮像装置（右ドアカメラ５１、左ドアカメラ５２）は、上記車両（自動車１）の左右にそれぞれ搭載され、上記表示装置（右車内モニタ３１、左車内モニタ３２）は、上記左右の撮像装置（右ドアカメラ５１、左ドアカメラ５２）で撮像したそれぞれの映像を同時に表示可能であり、上記撮像制御装置（制御部１０）は、上記車両（自動車１）に搭載されたウインカ４１が作動したとき、上記車速検知装置４２によって検知された車速が予め設定した車速以下のとき、上記ウインカ４１が作動した側の撮像装置（右ドアカメラ５１、左ドアカメラ５２）の画角を、当該撮像装置（右ドアカメラ５１、左ドアカメラ５２）の最大画角まで拡げることを特徴としている。 An electronic mirror system according to aspect 7 of the present invention is mounted on a vehicle (automobile 1), and an imaging device (right door camera 51, left door camera 52) for imaging at least the rear of the vehicle (automobile 1); A display device (right in-car monitor 31, left in-car monitor 32) mounted on (automobile 1) and displaying an image captured by the imaging device (right door camera 51, left door camera 52), and the vehicle (automobile 1) And an imaging control device (control unit 10) for changing the angle of view of the imaging device (right door camera 51, left door camera 52), and the imaging device (right The door camera 51 and the left door camera 52) are mounted on the left and right of the vehicle (car 1), and the display devices (right in-car monitor 31 and left in-car monitor 32) are the left and right imaging devices The images captured by the right door camera 51 and the left door camera 52) can be simultaneously displayed, and the imaging control device (control unit 10) operates when the blinker 41 mounted on the vehicle (car 1) operates. When the vehicle speed detected by the vehicle speed detection device 42 is equal to or less than a preset vehicle speed, the angle of view of the imaging device (right door camera 51, left door camera 52) on the side where the blinker 41 operates is It is characterized in that it is extended to the maximum angle of view of the right door camera 51 and the left door camera 52).
　上記構成によれば、ウインカ作動側の車両後方の映像をユーザが確実に視認することができる。ウインカ作動時は、車線変更または右左折時であるので、ウインカ作動側の後方の確認を確実に行なう必要があるので、上記のように、ウインカ作動側の車両後方の映像をユーザが確実に視認することができれば、安全に車線変更または右左折を行なうことができる。 According to the above configuration, the user can reliably view the video behind the blinker on the vehicle side. Since it is time to change lanes or turn left when the blinker is operating, it is necessary to confirm the rear of the blinker operating side with certainty. Therefore, as described above, the user reliably recognizes the image behind the blinker operating side If you can, you can safely change lanes or turn left or right.
　本発明の態様８に係る電子ミラーシステムは、車両（自動車１）に搭載され、当該車両（自動車１）の少なくとも後方を撮像する撮像装置（右ドアカメラ２１、左ドアカメラ２２）と、上記車両（自動車１）に搭載され、上記撮像装置（右ドアカメラ２１、左ドアカメラ２２）によって撮像された映像を表示する表示装置（右車内モニタ３１、左車内モニタ３２）と、上記表示装置（右車内モニタ３１、左車内モニタ３２）の輝度を変化させる表示制御装置（制御部１０）と、を備え、上記撮像装置（右ドアカメラ２１、左ドアカメラ２２）は、上記車両（自動車１）の左右にそれぞれ搭載され、上記表示装置（右車内モニタ３１、左車内モニタ３２）は、上記左右の撮像装置（右ドアカメラ２１、左ドアカメラ２２）で撮像したそれぞれの映像を同時に表示可能であり、上記表示制御装置（制御部１０）は、上記車両（自動車１）に搭載されたウインカ４１が作動したとき、当該ウインカ４１が作動した側の撮像装置（右ドアカメラ２１、左ドアカメラ２２）で撮影した映像の輝度を、当該ウインカ４１が作動していない側の撮像装置（右ドアカメラ２１、左ドアカメラ２２）で撮影した映像の輝度よりも高くすることを特徴としている。 An electronic mirror system according to aspect 8 of the present invention is mounted on a vehicle (automobile 1), and an imaging device (right door camera 21, left door camera 22) for imaging at least the rear of the vehicle (automobile 1); A display device (right in-car monitor 31, left in-car monitor 32) mounted on (automobile 1) and displaying an image captured by the imaging device (right door camera 21, left door camera 22), and the display device (right A display control device (control unit 10) for changing the luminance of the in-vehicle monitor 31 and the left-in-vehicle monitor 32); and the imaging device (right door camera 21 and left door camera 22) corresponds to that of the vehicle (automobile 1). The display devices (right in-car monitor 31 and left in-car monitor 32) mounted on the left and right are respectively captured by the left and right imaging devices (right and left door cameras 21 and 22). The display control device (control unit 10) can simultaneously display an image, and when the blinker 41 mounted on the vehicle (car 1) operates, an imaging device (right door camera) on the side where the blinker 41 operates. 21, making the luminance of the video taken by the left door camera 22 higher than the luminance of the video taken by the imaging device (the right door camera 21 and the left door camera 22) on the side where the winker 41 is not operating It is characterized.
　上記構成によれば、ウインカ作動側の車両後方の映像をユーザが確実に視認することができる。ウインカ作動時は、車線変更または右左折時であるので、ウインカ作動側の後方の確認を確実に行なう必要があるので、上記のように、ウインカ作動側の車両後方の映像をユーザが確実に視認することができれば、安全に車線変更または右左折を行なうことができる。 According to the above configuration, the user can reliably view the video behind the blinker on the vehicle side. Since it is time to change lanes or turn left when the blinker is operating, it is necessary to confirm the rear of the blinker operating side with certainty. Therefore, as described above, the user reliably recognizes the image behind the blinker operating side If you can, you can safely change lanes or turn left or right.
　本発明の各態様に係る電子ミラーシステムの制御装置は、コンピュータによって実現してもよく、この場合には、コンピュータを上記制御装置が備える各部（ソフトウェア要素）として動作させることにより上記制御装置をコンピュータにて実現させる制御装置の表示制御プログラム、およびそれを記録したコンピュータ読み取り可能な記録媒体も、本発明の範疇に入る。 The control device of the electronic mirror system according to each aspect of the present invention may be realized by a computer, and in this case, the computer is operated as each unit (software element) included in the control device. The display control program of the control device to be realized by and the computer readable recording medium recording the same also fall within the scope of the present invention.
　本発明は上述した各実施形態に限定されるものではなく、請求項に示した範囲で種々の変更が可能であり、異なる実施形態にそれぞれ開示された技術的手段を適宜組み合わせて得られる実施形態についても本発明の技術的範囲に含まれる。さらに、各実施形態にそれぞれ開示された技術的手段を組み合わせることにより、新しい技術的特徴を形成することができる。 The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the claims, and embodiments obtained by appropriately combining the technical means disclosed in the different embodiments. Is also included in the technical scope of the present invention. Furthermore, new technical features can be formed by combining the technical means disclosed in each embodiment.
１、２　自動車（車両）
１０　制御部（表示制御装置、撮像制御装置）
１１　映像加工部
１２　動作設定部
１３　車載機器情報取得部
１４　車載環境情報取得部
１５　運転者情報取得部
１８　ＤＢ
２１、５１　右ドアカメラ（撮像装置）
２２、５２　左ドアカメラ（撮像装置）
３１　右車内モニタ（表示装置）
３２　左車内モニタ（表示装置）
４１　ウインカ
４２　車速検知装置
４３　照度センサ
４４　操作部
１０１、１０２　電子ミラーシステム 1, 2 Car (vehicle)
10 Control unit (display control device, imaging control device)
11 image processing unit 12 operation setting unit 13 in-vehicle device information acquisition unit 14 in-vehicle environment information acquisition unit 15 driver information acquisition unit 18 DB
21, 51 Right Door Camera (Imaging Device)
22, 52 Left door camera (imaging device)
31 Right in-vehicle monitor (display device)
32 Left in-vehicle monitor (display device)
41 blinker 42 vehicle speed detection device 43 illuminance sensor 44 operation unit 101 102 electronic mirror system

Claims (8)

  1. 　車両に搭載され、当該車両の少なくとも後方を撮像する撮像装置と、
    　上記車両に搭載され、上記撮像装置によって撮像された映像を表示する表示装置と、
    　上記車両の運転の状況を示す運転状況情報に対応付けられた映像の表示方法によって、上記撮像装置が撮像した映像を上記表示装置に表示させる表示制御装置と、を備えたことを特徴とする電子ミラーシステム。     An imaging device mounted on a vehicle and imaging at least the rear of the vehicle;
    A display device mounted on the vehicle and displaying an image captured by the imaging device;
    An electronic device characterized by comprising: a display control device for displaying the video captured by the imaging device on the display device according to the method of displaying the video associated with the driving status information indicating the driving status of the vehicle Mirror system.
  2. 　上記車両の速度を検知する車速検知装置をさらに備え、
    　上記表示制御装置は、
    　上記車速検知装置によって検知された車速に応じて、上記表示装置に表示される映像の表示状態を変化させることを特徴とする請求項１に記載の電子ミラーシステム。     The vehicle further comprises a vehicle speed detection device for detecting the speed of the vehicle,
    The display control device
    The electronic mirror system according to claim 1, wherein a display state of an image displayed on the display device is changed according to a vehicle speed detected by the vehicle speed detection device.
  3. 　上記表示制御装置は、
    　上記車速検知装置によって検知された車速が速いほど、上記表示装置に表示される映像の明瞭な領域を小さくすることを特徴とする請求項２に記載の電子ミラーシステム。     The display control device
    The electronic mirror system according to claim 2, wherein the clear area of the image displayed on the display device is reduced as the vehicle speed detected by the vehicle speed detection device is higher.
  4. 　上記表示制御装置は、
    　上記表示装置の上記映像の表示領域のうち、当該映像が速度上昇によらず明瞭な状態で表示される領域以外に、当該映像とは別の情報を重ねて表示させることを特徴とする請求項２または３に記載の電子ミラーシステム。     The display control device
    In the display area of the video of the display device, in addition to the area where the video is displayed in a clear state regardless of the speed increase, information different from the video is displayed overlappingly. Electronic mirror system according to 2 or 3.
  5. 　上記表示制御装置は、
    　上記車速検知装置によって検知された車速が速いほど、上記表示装置に表示されている、上記映像とは別の情報を明瞭に表示させることを特徴とする請求項４に記載の電子ミラーシステム。     The display control device
    5. The electronic mirror system according to claim 4, wherein information different from the image displayed on the display device is clearly displayed as the vehicle speed detected by the vehicle speed detection device is higher.
  6. 　上記撮像装置は、上記車両の左右にそれぞれ搭載され、
    　上記表示装置は、上記左右の撮像装置で撮像したそれぞれの映像を同時に表示可能であり、
    　上記表示制御装置は、
    　上記車両に搭載されたウインカが作動した側の撮像装置によって撮像された映像を、当該映像の明瞭な範囲を最大にして上記表示装置に表示させることを特徴とする請求項１～５の何れか１項に記載の電子ミラーシステム。     The imaging devices are mounted on the left and right of the vehicle, respectively.
    The display device can simultaneously display the images captured by the left and right imaging devices,
    The display control device
    6. The display device according to any one of claims 1 to 5, characterized in that the image captured by the imaging device on the side where the blinker mounted on the vehicle operates is displayed on the display device with the clear range of the image being maximized. The electronic mirror system of item 1.
  7. 　車両に搭載され、当該車両の少なくとも後方の風景を撮像する撮像装置と、
    　上記車両に搭載され、上記撮像装置によって撮像された映像を表示する表示装置と、
    　上記車両の速度を検知する車速検知装置と、
    　上記撮像装置の画角を変化させる撮像制御装置と、を備え、
    　上記撮像装置は、上記車両の左右にそれぞれ搭載され、
    　上記表示装置は、上記左右の撮像装置で撮像したそれぞれの映像を同時に表示可能であり、
    　上記撮像制御装置は、
    　上記車両に搭載されたウインカが作動したとき、上記車速検知装置によって検知された車速が予め設定した車速以下のとき、上記ウインカが作動した側の撮像装置の画角を、当該撮像装置の最大画角まで拡げることを特徴とする電子ミラーシステム。     An imaging device mounted on a vehicle and imaging at least a scene behind the vehicle;
    A display device mounted on the vehicle and displaying an image captured by the imaging device;
    A vehicle speed detection device for detecting the speed of the vehicle;
    An imaging control device for changing the angle of view of the imaging device;
    The imaging devices are mounted on the left and right of the vehicle, respectively.
    The display device can simultaneously display the images captured by the left and right imaging devices,
    The imaging control device
    When the blinker mounted on the vehicle operates, and the vehicle speed detected by the vehicle speed detection device is equal to or less than a preset vehicle speed, the angle of view of the imaging device on the side where the blinker operates is the maximum image of the imaging device An electronic mirror system characterized by expanding to the corner.
  8. 　車両に搭載され、当該車両の少なくとも後方を撮像する撮像装置と、
    　上記車両に搭載され、上記撮像装置によって撮像された映像を表示する表示装置と、
    　上記表示装置の輝度を変化させる表示制御装置と、を備え、
    　上記撮像装置は、上記車両の左右にそれぞれ搭載され、
    　上記表示装置は、上記左右の撮像装置で撮像したそれぞれの映像を同時に表示可能であり、
    　上記表示制御装置は、
    　上記車両に搭載されたウインカが作動したとき、当該ウインカが作動した側の撮像装置で撮影した映像の輝度を、当該ウインカが作動していない側の撮像装置で撮影した映像の輝度よりも高くすることを特徴とする電子ミラーシステム。     An imaging device mounted on a vehicle and imaging at least the rear of the vehicle;
    A display device mounted on the vehicle and displaying an image captured by the imaging device;
    A display control device for changing the luminance of the display device;
    The imaging devices are mounted on the left and right of the vehicle, respectively.
    The display device can simultaneously display the images captured by the left and right imaging devices,
    The display control device
    When the blinker mounted on the vehicle is activated, the luminance of the image taken by the imaging device on the side where the blinker operates is made higher than the luminance of the image taken by the imaging device on the side where the blinker does not operate Electronic mirror system characterized by
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