KR101742698B1 - Rear-view mirror that can measure and display the bio-electrical signal, and bio-electrical signal measurement and display method using the same - Google Patents
Rear-view mirror that can measure and display the bio-electrical signal, and bio-electrical signal measurement and display method using the same Download PDFInfo
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- KR101742698B1 KR101742698B1 KR1020160005812A KR20160005812A KR101742698B1 KR 101742698 B1 KR101742698 B1 KR 101742698B1 KR 1020160005812 A KR1020160005812 A KR 1020160005812A KR 20160005812 A KR20160005812 A KR 20160005812A KR 101742698 B1 KR101742698 B1 KR 101742698B1
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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
- B60R1/02—Rear-view mirror arrangements
- B60R1/04—Rear-view mirror arrangements mounted inside vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
- B60K28/02—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver
-
- 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
- B60R1/02—Rear-view mirror arrangements
- B60R1/08—Rear-view mirror arrangements involving special optical features, e.g. avoiding blind spots, e.g. convex mirrors; Side-by-side associations of rear-view and other mirrors
-
- 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
- B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/20—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of display used
- B60R2300/205—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of display used using a head-up display
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
- B60W2040/0872—Driver physiology
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/143—Alarm means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/146—Display means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0141—Head-up displays characterised by optical features characterised by the informative content of the display
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multimedia (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Traffic Control Systems (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rearview mirror capable of measuring and displaying a living body signal in a car, and a method of measuring and displaying a living body signal using the rearview mirror. A controller for analyzing biometric signals sensed by the sensor unit and detecting biometric data; And a display unit for displaying the biometric data detected by the control unit.
According to the present invention, a rearview mirror mounted on a vehicle includes a sensor unit, a control unit, a display unit, and an alarm unit, The user can sense the pulse signal from the facial image sensed by the sensor unit and detect the pulse frequency of the pulse signal detected from the sensed pulse signal by detecting the biometric signal of the additional driver without directly contacting the body, And the ratio of the sympathetic nerve and the parasympathetic nerve is detected to determine the drowsiness state and the wellness index of the driver by only the face image of the driver. By analyzing the detected biometric data and outputting a warning signal to the driver, Prevent accident caused by aggravation .
Description
The present invention relates to a rearview mirror, and more particularly, to a rearview mirror capable of measuring and displaying a living body signal in an automobile, and a living body signal measuring and displaying method using the rearview mirror.
The collision of a vehicle such as a high-speed vehicle causes a great loss of property along with a huge loss of property, requiring the driver's attention. Regardless of the driver's will, however, it is possible to arrive at a state of incapacity to operate, for example, by driving a sleeping vehicle caused by accumulated fatigue caused by driving the vehicle for a long time and sudden body paralysis caused by the driver's health condition. For any reason, it may become inoperable and accidents may occur.
Therefore, it is very important to predict the driver 's inability to give warning to the driver or to identify the driver' s physical condition at the time of the accident and identify the cause of the accident.
In recent years, as one of the methods for predicting the inability to operate, there has been actively conducted research to analyze the health state of a driver during driving and secure the driver's safety by actively coping with a dangerous situation. However, Most automobile companies are trying to create additional profit by improving the comfort of the vehicle occupant. There is a slight problem in the concrete countermeasure according to the change of the driver's body, which is directly related to safe driving. There is an inconvenience in using a constrained biosensor which must be in direct contact with the driver's body. Korean Patent Publication No. 10-1563639 and Korean Patent Laid-Open Publication No. 10-2014-0012334 disclose prior art documents for a warning device for a vehicle and a bio-signal sensing device for a driver.
The present invention has been proposed in order to solve the above-mentioned problems of the previously proposed methods, and a rearview mirror installed in a vehicle includes a sensor unit, a control unit, a display unit, and an alarm unit, By detecting the pulse signal from the facial image sensed by the sensor unit and analyzing the frequency of the pulse detected from the sensed pulse signal, the sympathetic nerve and parasympathetic nerve The drowsiness state of the driver and the wellness index can be judged only by the face image of the driver. By analyzing the detected biometrics data and outputting a warning signal to the driver, it is possible to prevent an accident caused by deterioration of the driver condition A bio-signal measurement and display in a car To provide a rear-view mirror, and the bio-electrical signal measurement and display method using the same for that purpose.
According to an aspect of the present invention, there is provided a rearview mirror capable of measuring and displaying a living body signal in an automobile,
A sensor unit for sensing the bio-signal of the driver unrestrainedly;
A controller for analyzing biometric signals sensed by the sensor unit and detecting biometric data; And
And a display unit for displaying the biometric data detected by the control unit.
Preferably, the sensor unit includes:
And a camera for recognizing the face of the driver.
More preferably, the sensor unit comprises:
A pulse can be sensed from a facial image recognized through the camera.
Still more preferably,
The ratio of the sympathetic / parasympathetic nerve can be detected by analyzing the frequency of the pulse signal sensed by the sensor unit.
Preferably, the control unit includes:
It is possible to determine whether or not a warning signal is output from the biometric data.
More preferably,
And an alarm unit for outputting the warning signal.
Still more preferably,
The warning signal may be output in at least one of a warning light, a warning message, and a warning sound.
Still more preferably,
A vibration signal may be outputted so that a vibration element provided in advance in a portion of the driver's body that is in contact with the body operates.
Preferably, the display unit includes:
And a liquid crystal display provided on the front of the rearview mirror.
Preferably, the display unit includes:
The biometric data can be displayed on the HUD in cooperation with a Head-Up Display (HUD).
According to another aspect of the present invention, there is provided a bio-signal measurement and display method using a rearview mirror capable of measuring and displaying a bio-
(1) sensing the biological signal of the driver unrestrainedly by the sensor unit;
(2) analyzing the biological signal detected in step (1) to detect biometric data; And
(3) the display unit displays the biometric data detected in the step (2).
Preferably, the sensor unit of the step (1)
And a camera for recognizing the face of the driver.
More preferably, the sensor unit of the step (1)
A pulse can be sensed from a facial image recognized through the camera.
Even more preferably, the step (2)
(2-1) analyzing the frequency of the pulse signal detected in step (1) by the control unit; And
(2-2) The control unit may detect the ratio of sympathetic / parasympathetic nerve using the frequency of the pulse signal analyzed in the step (2-1).
Preferably, after step (2)
(2 ') may further include determining whether a warning signal is output from the biometric data detected in step (2).
Preferably, after step (2 '),
(2 ") alarm unit outputs the warning signal.
More preferably, the alarm section of step (2 ") comprises:
The warning signal may be output in at least one of a warning light, a warning message, and a warning sound.
More preferably, the alarm section of step (2 ") comprises:
A vibration signal may be outputted so that a vibration element provided in advance in a portion of the driver's body that is in contact with the body operates.
Preferably, the display unit of the step (3)
And a liquid crystal display provided on the front of the rearview mirror.
Preferably, the display unit of the step (3)
The biometric data can be displayed on the HUD in cooperation with a Head-Up Display (HUD).
According to the present invention, a rearview mirror mounted on a vehicle includes a sensor unit, a control unit, a display unit, and an alarm unit, The user can sense the pulse signal from the facial image sensed by the sensor unit and detect the pulse frequency of the pulse signal detected from the sensed pulse signal by detecting the biometric signal of the additional driver without directly contacting the body, And the ratio of the sympathetic nerve and the parasympathetic nerve is detected to determine the drowsiness state and the wellness index of the driver by only the face image of the driver. By analyzing the detected biometric data and outputting a warning signal to the driver, Prevent accident caused by aggravation .
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view schematically showing a configuration of a rearview mirror capable of measuring a living body signal in a car and displaying it according to an embodiment of the present invention; FIG.
2 is a view for explaining a sensor part of a rearview mirror capable of measuring and displaying bio-signals in a car according to an embodiment of the present invention;
FIG. 3 is a view illustrating a display unit of a rearview mirror capable of measuring a living body signal in a car and a display unit and an HUD interlocked according to an embodiment of the present invention. FIG.
FIG. 4 is a view for explaining an alarm part of a rearview mirror capable of measuring and displaying a living body signal in a car according to an embodiment of the present invention; FIG.
FIG. 5 is a view illustrating an operation of a rearview mirror capable of measuring a living body signal in a car and a displayable rearview mirror according to an embodiment of the present invention. FIG.
6 is a flowchart illustrating a method of measuring and displaying a living body signal using a rearview mirror capable of measuring a living body signal in a car according to an embodiment of the present invention.
FIG. 7 is a flowchart illustrating a bio-signal measurement and display method using a rearview mirror capable of measuring bio-signals in a car according to another embodiment of the present invention; and FIG.
FIG. 8 is a flowchart illustrating a bio-signal measurement and display method using a rearview mirror capable of measuring bio-signals in a car according to another embodiment of the present invention. FIG.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, in order that those skilled in the art can easily carry out the present invention. In the following detailed description of the preferred embodiments of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. In the drawings, like reference numerals are used throughout the drawings.
In addition, in the entire specification, when a part is referred to as being 'connected' to another part, it may be referred to as 'indirectly connected' not only with 'directly connected' . Also, to "include" an element means that it may include other elements, rather than excluding other elements, unless specifically stated otherwise.
FIG. 1 is a view schematically showing a configuration of a
The
The
The
The
2 is a view illustrating a
That is, by recognizing the face of the driver through the
More specifically, a facial image acquired through the
At this time, the
More specifically, according to an embodiment, a pulse period is determined from a sensed pulse signal, a pulse rate variability (PRV) is detected, and the sympathetic and parasympathetic nerves Can be detected. Further, in some embodiments, a fast fourier transform (FFT) may be used for frequency analysis of the pulse variation (PRV).
Thus, the ratio of detected sympathetic nerves and parasympathetic nerves can be represented by the LF / HF ratio, which is an index indicating the activity ratio of the sympathetic nervous system and the parasympathetic nervous system. Here, LF (low frequency component) HF (high frequency component) can have information on the parasympathetic nervous system, in particular, the activity of vagus nerves and respiratory activity.
Meanwhile, according to the embodiment, the
FIG. 3 is a view illustrating a
At this time, the
The
Here, the
4 is a view illustrating an
That is, when it is determined that it is necessary to output a warning to the driver as a result of analyzing the biometric data detected by the
At this time, the
On the other hand, according to the embodiment, the
FIG. 5 is a view for explaining the operation of a
As described above, according to the
6 is a flowchart illustrating a method of measuring and displaying a living body signal using a
Here, detailed configurations of the
7 is a flowchart illustrating a method of measuring and displaying a living body signal using a
At this time, the frequency of the pulse signal at steps S210 and S220 is analyzed and the details of detecting the sympathetic / parasympathetic nerve ratio are as described in detail with reference to FIG. 2, and the description thereof will be omitted.
8 is a flowchart illustrating a method of measuring and displaying a living body signal using a
At this time, details of the determination of whether or not the
The present invention may be embodied in many other specific forms without departing from the spirit or essential characteristics of the invention.
100: a rearview mirror according to an embodiment of the present invention
110: sensor unit 111: camera
130: control unit 150:
170: alarm unit 200: HUD (Head-Up Display)
S100: the sensor unit detects the driver's biometric signal unrestrictively
S200: the control unit analyzes biometric signals detected in step S100 and detects biometric data
S210: the control unit analyzes the frequency of the pulse signal sensed in step S100
S220: the control unit detects the ratio of the sympathetic / parasympathetic nerve using the frequency of the pulse signal analyzed in step S210
S200 ': a step of judging whether or not a warning signal is output from the biometric data detected in step S200
S200 ": the step of outputting the alarm part warning signal
S300: the display unit displays biometric data detected in step S200
Claims (20)
A sensor unit (110) for sensing the driver's biological signal unrestrainedly;
A controller 130 for analyzing the biological signal detected by the sensor unit 110 and detecting biometric data; And
And a display unit (150) for displaying the biometric data detected by the controller (130)
The sensor unit (110)
And a camera 111 for recognizing the face of the driver, detects a pulse from a facial image recognized through the camera 111,
The control unit 130,
And the ratio of the sympathetic / parasympathetic nerve is detected by analyzing the frequency of the pulse signal sensed by the sensor unit (110).
And a display unit for displaying an image of the living body based on the biological signal.
Further comprising an alarm unit (170) for outputting the warning signal.
Wherein the warning signal is output in at least one of a warning light, a warning message, and a warning sound.
Wherein a vibration signal is outputted so that a vibration element provided in advance in a portion of the driver's body that is in contact with the body is activated.
The rearview mirror (100) of claim 1, wherein the rearview mirror (100) is a liquid crystal display.
A rearview mirror capable of measuring and displaying bio-signals in an automobile, the biometric data being displayed on the HUD (200) in cooperation with a HUD (Head-Up Display)
(1) the sensor unit 110 detects the driver's biological signal without binding;
(2) the controller 130 analyzes biometric signals detected in step (1) to detect biometric data; And
(3) displaying the biometric data detected in step (2) by the display unit 150,
The sensor unit 110 of the step (1)
And a camera 111 for recognizing the face of the driver, detects a pulse from a facial image recognized through the camera 111,
The step (2)
(2-1) analyzing the frequency of the pulse signal detected in step (1) by the controller 130; And
(2-2) The controller 130 detects the ratio of sympathetic / parasympathetic nerves by using the frequency of the pulse signal analyzed in the step (2-1). Measuring and displaying biological signals using a rearview mirror.
(2 ') further comprising the step of the controller (130) determining whether a warning signal is output from the biometric data detected in the step (2). Signal measurement and display method.
Further comprising the step of the alarm unit (170) outputting the alarm signal (2 ") to the alarm unit (170).
Wherein the warning signal is output in a manner of at least one of a warning light, a warning message, and a warning sound by using a rearview mirror capable of measuring and displaying a living body signal in an automobile.
And outputting a vibration signal so that a vibration element provided in advance in a portion of the driver's body that is in contact with the body is activated.
And a liquid crystal display provided on a front surface of the rearview mirror (100). The method for measuring and displaying a living body signal using a rearview mirror capable of measuring and displaying a living body signal in an automobile.
A method for measuring and displaying a bio-signal using a rearview mirror capable of measuring and displaying a bio-signal in an automobile, the bio-data being displayed on the HUD (200) in cooperation with a HUD (Head-Up Display)
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KR1020160005812A KR101742698B1 (en) | 2016-01-18 | 2016-01-18 | Rear-view mirror that can measure and display the bio-electrical signal, and bio-electrical signal measurement and display method using the same |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110239441A (en) * | 2019-06-28 | 2019-09-17 | 北京蓦然认知科技有限公司 | A kind of visual field automatic adjusting method and device of rearview mirror |
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JP3192066B2 (en) * | 1995-09-08 | 2001-07-23 | 富士ゼロックス株式会社 | Drawing method and drawing device |
JP2009213779A (en) * | 2008-03-12 | 2009-09-24 | Denso Corp | Operation input apparatus for use of car |
JP2012066640A (en) * | 2010-09-21 | 2012-04-05 | Yupiteru Corp | In-vehicle electronic equipment |
JP2015054224A (en) * | 2013-09-13 | 2015-03-23 | 富士通株式会社 | Heat attack determination device, portable terminal device, heat attack determination method, and heat attack determination program |
KR101563639B1 (en) * | 2014-06-20 | 2015-10-28 | 주식회사 성우모바일 | Alarming device for vehicle and method for warning driver of vehicles |
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JP3192066B2 (en) * | 1995-09-08 | 2001-07-23 | 富士ゼロックス株式会社 | Drawing method and drawing device |
JP2009213779A (en) * | 2008-03-12 | 2009-09-24 | Denso Corp | Operation input apparatus for use of car |
JP2012066640A (en) * | 2010-09-21 | 2012-04-05 | Yupiteru Corp | In-vehicle electronic equipment |
JP2015054224A (en) * | 2013-09-13 | 2015-03-23 | 富士通株式会社 | Heat attack determination device, portable terminal device, heat attack determination method, and heat attack determination program |
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CN110239441A (en) * | 2019-06-28 | 2019-09-17 | 北京蓦然认知科技有限公司 | A kind of visual field automatic adjusting method and device of rearview mirror |
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