JP4615980B2 - Vehicle visibility assist device - Google Patents

Vehicle visibility assist device Download PDF

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JP4615980B2
JP4615980B2 JP2004353608A JP2004353608A JP4615980B2 JP 4615980 B2 JP4615980 B2 JP 4615980B2 JP 2004353608 A JP2004353608 A JP 2004353608A JP 2004353608 A JP2004353608 A JP 2004353608A JP 4615980 B2 JP4615980 B2 JP 4615980B2
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vehicle
display monitor
image
imaging means
imaging
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JP2006165946A (en
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知之 久木田
博志 坂本
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Honda Lock Manufacturing Co Ltd
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Honda Lock Manufacturing Co Ltd
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Priority to JP2004353608A priority Critical patent/JP4615980B2/en
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Priority to EP05024454.0A priority patent/EP1669243B1/en
Priority to CN2009101510509A priority patent/CN101624033B/en
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Description

本発明は、車両の側方の、前後に連続した領域を同時に撮像可能としてドアミラーのハウジングに取付けられる撮像手段と、車両運転者の視認を可能として車室内に設けられる表示モニタと、前記撮像手段による撮像信号を処理して得られた画像を前記表示モニタに表示する画像処理手段とを備える車両の視界補助装置に関する。 The present invention, on the side of the vehicle, an imaging unit attached to the housing of the door mirror as can image a continuous area around the same time, a display monitor provided in the cabin as possible the visibility of the vehicle driver, the image pickup means The present invention relates to a field of view assistance device for a vehicle including image processing means for displaying an image obtained by processing an image pickup signal by the display monitor.

ドアミラーのハウジングの下部に設けられた撮像装置で、車両の側方の前後２方向を同時に撮像し、その撮像画像を車室内のモニタに表示するようにしたものが、たとえば特許文献１で知られている。
特開２００２−６７７９４号公報 For example, Patent Document 1 discloses an image pickup device provided in a lower part of a housing of a door mirror that simultaneously picks up two front and rear directions of a vehicle and displays the picked-up image on a monitor in a vehicle interior. ing.
JP 2002-67794 A

ところが、上記従来のものの撮像装置の光軸は、車両の前輪の接地部の外側縁を通って車両の前後方向と平行な直線から外れた位置にあり、撮像手段が備えるレンズが彎曲していることに起因して、表示モニタ上で車両の側方に死角が生じたり、車両の側縁が歪んだりしており、たとえば車両の側方の側壁への幅寄せ時に当該側壁に車両を平行に幅寄せすることが困難となる。   However, the optical axis of the conventional imaging device is located at a position deviating from a straight line parallel to the longitudinal direction of the vehicle through the outer edge of the grounding portion of the front wheel of the vehicle, and the lens provided in the imaging means is bent. As a result, a blind spot is formed on the side of the vehicle on the display monitor, or the side edge of the vehicle is distorted. For example, when the vehicle is shifted to the side wall of the vehicle, the vehicle is parallel to the side wall. It becomes difficult to narrow the width.

本発明は、かかる事情に鑑みてなされたものであり、画像モニタ上で車両の側方に死角が生じること、ならびに車両の側縁に歪みが生じることを防止して、優れた視認性が得られるようにした車両の視界補助装置を提供することを目的とする。   The present invention has been made in view of such circumstances, and prevents blind spots from occurring on the side of the vehicle on the image monitor and distortion from occurring on the side edges of the vehicle, thereby obtaining excellent visibility. An object of the present invention is to provide a vehicle vision assisting device.

上記目的を達成するために、請求項１記載の発明は、車両の側方の、前後に連続した領域を同時に撮像可能としてドアミラーのハウジングに取付けられる撮像手段と、車両運転者の視認を可能として車室内に設けられる表示モニタと、前記撮像手段による撮像信号を処理して得られた画像を前記表示モニタに表示する画像処理手段とを備える車両の視界補助装置において、前記撮像手段が、車両の前輪の接地部の外側縁を通って車両の前後方向に平行な直線に光軸を交わらせるようにして、前記ハウジングの下部に取付けられることを特徴とする。 In order to achieve the above-mentioned object, the invention according to claim 1 enables imaging of a side region of a vehicle, which is continuous in the front-rear direction , to be simultaneously imaged, and to be visually recognized by a vehicle driver. In a vehicle visibility assisting device, comprising: a display monitor provided in a vehicle interior; and an image processing unit that displays an image obtained by processing an imaging signal from the imaging unit on the display monitor. It is attached to the lower part of the said housing so that an optical axis may cross the straight line parallel to the front-back direction of a vehicle through the outer edge of the grounding part of a front wheel.

また請求項２記載の発明は、車両の側方の、前後に連続した領域を同時に撮像可能としてドアミラーのハウジングに取付けられる撮像手段と、車両運転者の視認を可能として車室内に設けられる表示モニタと、前記撮像手段による撮像信号を処理して得られた画像を前記表示モニタに表示する画像処理手段とを備える車両の視界補助装置において、前記撮像手段が、車両の前輪および後輪の接地部の外側縁同士を結んだ直線に光軸を交わらせるようにして、前記ハウジングの下部に取付けられることを特徴とする。 The invention of claim 2, the side of the vehicle, an imaging unit attached to the door mirror housing as possible simultaneously imaging a continuous area around the display monitor provided in the cabin as possible the visibility of the vehicle driver And an image processing means for displaying an image obtained by processing an imaging signal by the imaging means on the display monitor, wherein the imaging means includes a grounding unit for a front wheel and a rear wheel of the vehicle. It is attached to the lower part of the said housing so that an optical axis may be made to cross the straight line which connected the outer edges of.

さらに請求項３記載の発明は、車両の側方の、前後に連続した領域を同時に撮像可能としてドアミラーのハウジングに取付けられる撮像手段と、車両運転者の視認を可能として車室内に設けられる表示モニタと、前記撮像手段による撮像信号を処理して得られた画像を前記表示モニタに表示する画像処理手段とを備える車両の視界補助装置において、前記撮像手段が、車両の前輪の接地部の外側縁と、車両の後輪に対応する部分で該後輪よりも外側に位置する車体の外側縁の路面への投影点とを結んだ直線に光軸を交わらせるようにして、前記ハウジングの下部に取付けられる。 Furthermore invention according to claim 3, the side of the vehicle, an imaging unit attached to the housing of the door mirror as can image a continuous area around the same time, a display monitor provided in the cabin as possible the visibility of the vehicle driver And an image processing means for displaying an image obtained by processing an imaging signal by the imaging means on the display monitor, wherein the imaging means has an outer edge of a grounding portion of a front wheel of the vehicle And an optical axis crossing a straight line connecting a projection point on the road surface of the outer edge of the vehicle body located outside the rear wheel at a portion corresponding to the rear wheel of the vehicle, Mounted.

請求項１記載の発明によれば、車両の前輪の接地部の外側縁を通って車両の前後方向に平行な直線に光軸を交わらせるように撮像手段が配設されるので、前輪の部分を表示モニタ上に確実に表示して車両の側方に死角が生じないようにするとともに、表示モニタ上で車両の側縁が歪みを生じることなく直線状に延びて表示されることになり、優れた視認性を得ることができる。   According to the first aspect of the present invention, the imaging means is disposed so that the optical axis crosses a straight line parallel to the front-rear direction of the vehicle through the outer edge of the grounding portion of the front wheel of the vehicle. Is securely displayed on the display monitor so as not to cause blind spots on the side of the vehicle, and the side edges of the vehicle are displayed on the display monitor so as to extend straight without distortion. Excellent visibility can be obtained.

また請求項２記載の発明によれば、車両の前輪および後輪の接地部の外側縁同士を結ぶ直線と光軸を交わらせるように撮像手段が配設されるので、前輪および後輪の部分を表示モニタ上に確実に表示して車両の側方に死角が生じないようにするとともに、表示モニタ上で車両の側縁が歪みを生じることなく直線状に延びて表示されることになり、優れた視認性が得られることになる。   According to the second aspect of the present invention, since the image pickup means is arranged so that the optical axis and the straight line connecting the outer edges of the grounding portions of the front and rear wheels of the vehicle intersect, Is securely displayed on the display monitor so as not to cause blind spots on the side of the vehicle, and the side edges of the vehicle are displayed on the display monitor so as to extend straight without distortion. Excellent visibility will be obtained.

さらに請求項３記載の発明によれば、車両の前輪の接地部の外側縁と、車両の後輪に対応する部分で該後輪よりも外側に位置する車両の外側縁の路面への投影点とを結んだ直線に光軸を交わらせるように撮像手段が配設されるので、前輪の部分を表示モニタ上に確実に表示して車両の側方に死角が生じないようにするとともに、表示モニタ上では車両側縁が歪みを生じることなく直線状に延びて表示されることになり、優れた視認性が得られることになる。   Further, according to the third aspect of the present invention, the projected points on the road surface of the outer edge of the grounding portion of the front wheel of the vehicle and the outer edge of the vehicle positioned outside the rear wheel at the portion corresponding to the rear wheel of the vehicle. Since the image pickup means is arranged so that the optical axis intersects with the straight line connecting the front and rear, the front wheel part is reliably displayed on the display monitor so as not to cause blind spots on the side of the vehicle and display On the monitor, the side edge of the vehicle extends and is displayed in a straight line without distortion, and excellent visibility is obtained.

以下、本発明の実施の形態を、添付の図面に示した本発明の実施例に基づいて説明する。   DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below based on examples of the present invention shown in the accompanying drawings.

本発明の第１実施例について図１〜図１１を参照しながら説明するが、図１は車両の側面図、図２は車両の平面図、図３は車両の左半部正面図、図４は左右のドアミラーおよびインストルメントパネルを車室側から見た図、図５は視界補助装置の構成を示すブロック図、図６は車両の運転状態に応じた表示モニタへの表示状態を説明するための図、図７は左側および右側撮像手段の撮像に基づく表示画像を示す図、図８は表示モニタでのタッチパネルでの指示を説明するための図、図９はタッチパネルの指示によって拡大した画像の例を示す図、図１０は表示画像に歪みが生じた例を示す図、図１１は表示画像に死角が生じた例を示す図である。   A first embodiment of the present invention will be described with reference to FIGS. 1 to 11. FIG. 1 is a side view of the vehicle, FIG. 2 is a plan view of the vehicle, FIG. Fig. 5 is a view of the left and right door mirrors and the instrument panel as viewed from the passenger compartment side, Fig. 5 is a block diagram showing the configuration of the visibility assisting device, and Fig. 6 is for explaining the display state on the display monitor according to the driving state of the vehicle. FIG. 7 is a diagram showing display images based on the imaging of the left and right imaging means, FIG. 8 is a diagram for explaining instructions on the touch panel on the display monitor, and FIG. 9 is an image enlarged by instructions on the touch panel FIG. 10 is a diagram illustrating an example in which a display image is distorted, and FIG. 11 is a diagram illustrating an example in which a blind spot is generated in a display image.

先ず図１および図２において、車両Ｖの左、右に配設される左前部ドア１１Ｌおよび右前部ドア１１Ｒには左側および右側ドアミラー１２Ｌ，１２Ｒがそれぞれ配設されており、それらのドアミラー１２Ｌ，１２Ｒに、車両Ｖの側方の、前後に連続した領域を同時に撮像可能とした左側および右側撮像手段１４Ｌ，１４Ｒがそれぞれ取付けられる。また車体Ｂの後端下部には、車両Ｖの後方を撮像可能とした後方撮像手段１５が取付けられる。 First, in FIG. 1 and FIG. 2, left and right door mirrors 12L and 12R are respectively disposed on the left front door 11L and the right front door 11R disposed on the left and right of the vehicle V, respectively. 12R, the lateral of the vehicle V, a continuous area at the same time can be captured with the left and right image pickup means 14L in the front-rear, 14R are respectively attached. Further, a rear imaging means 15 that can capture the rear side of the vehicle V is attached to the rear end lower portion of the vehicle body B.

図３および図４において、左側および右側撮像手段１４Ｌ，１４Ｒは、左側および右側ドアミラー１２Ｌ，１２Ｒが備えるハウジング１３Ｌ，１３Ｒの下部に取付けられるものであり、左側撮像手段１４Ｌは、その光軸ＲＡが、左側の前輪ＷＦの接地部１６の外側縁を通って車両Ｖの前後方向に平行な直線Ｌ１に交わるようにして、ハウジング１３Ｌの下部に取付けられ、右側撮像手段１４Ｒも、前記左側撮像手段１４Ｌと同様にして、その光軸が、右側の前輪の接地部の外側縁を通って車両Ｖの前後方向に平行な直線に交わるようにして、ハウジング１３Ｒの下部に取付けられる。   3 and 4, left and right imaging means 14L and 14R are attached to lower portions of housings 13L and 13R included in the left and right door mirrors 12L and 12R. The left imaging means 14L has an optical axis RA. The left imaging means 14R is attached to the lower part of the housing 13L so as to cross the straight line L1 parallel to the front-rear direction of the vehicle V through the outer edge of the grounding portion 16 of the left front wheel WF. Similarly, the optical axis passes through the outer edge of the grounding portion of the right front wheel and is attached to the lower portion of the housing 13R so as to intersect with a straight line parallel to the longitudinal direction of the vehicle V.

図５において、左側撮像手段１４Ｌ、右側撮像手段１４Ｒおよび後方撮像手段１５からの撮像信号は画像処理手段１７に入力されるものであり、この画像処理手段１７には、前記各撮像手段１４Ｌ，１４Ｒ，１５からの撮像信号の他に、ナビゲーションシステム１９からの信号、車速検出器２０による車速信号、操舵角検出器２１による操舵角、ウインカ２２による左折もしくは右折信号、ならびにシフトレバーが後退位置にあることを検出するシフト位置検出器２３からの信号がそれぞれ入力され、画像処理手段１７で処理された画像が表示モニタ１８に表示される。   In FIG. 5, imaging signals from the left imaging means 14L, the right imaging means 14R, and the rear imaging means 15 are input to the image processing means 17, and the image processing means 17 includes the imaging means 14L and 14R. 15, the signal from the navigation system 19, the vehicle speed signal from the vehicle speed detector 20, the steering angle from the steering angle detector 21, the left or right turn signal from the turn signal 22, and the shift lever are in the retracted position. A signal from the shift position detector 23 for detecting this is input, and an image processed by the image processing means 17 is displayed on the display monitor 18.

図４に注目して、前記表示モニタ１８は、操向ハンドル２４を操作する車両運転者の視認を容易とすべく、車室内に臨んで配設されるインストルメントパネル２５に、たとえば前記操向ハンドル２４の左側に位置するようにして配設されており、収納ボックス２６に収納される前記画像処理手段１７は、インストルメントパネル２５に内蔵される。   Referring to FIG. 4, the display monitor 18 is arranged on the instrument panel 25 arranged facing the vehicle interior so as to make it easy for a vehicle driver who operates the steering handle 24 to view, for example, the steering. The image processing means 17 which is disposed so as to be positioned on the left side of the handle 24 and is stored in the storage box 26 is built in the instrument panel 25.

而して前記画像処理手段１７は、車速検出器２０による車速信号、操舵角検出器２１による操舵角、ウインカ２２による左折もしくは右折信号、ならびにシフト位置検出器２３からの信号に基づいて、前記各撮像手段１４Ｌ，１４Ｒ，１５の撮像に基づく画像ならびに前記ナビゲーションシステム１９からの画像および表示位置を、図６で示すように選択して、前記表示モニタ１８に表示する。   Thus, the image processing means 17 is based on the vehicle speed signal from the vehicle speed detector 20, the steering angle from the steering angle detector 21, the left or right turn signal from the winker 22, and the signal from the shift position detector 23. The image based on the imaging of the imaging means 14L, 14R, 15 and the image from the navigation system 19 and the display position are selected and displayed on the display monitor 18, as shown in FIG.

図６では、左側撮像手段１４Ｌの撮像に基づく画像を「ＬＳ」、右側撮像手段１４Ｒの撮像に基づく画像を「ＲＳ」、後方撮像手段１５の撮像に基づく画像を「Ｂ」、ナビゲーションシステム１９からの信号に基づく画像を「ＮＡＶＩ」として表しており、画像処理手段１７は、表示モニタ１８を最大限４つに区画して、各画像「ＬＳ」，「ＲＳ」，「Ｂ」，「ＮＡＶＩ」を表示することが可能である。   In FIG. 6, an image based on the imaging of the left imaging unit 14L is “LS”, an image based on the imaging of the right imaging unit 14R is “RS”, an image based on the imaging of the rear imaging unit 15 is “B”, and the navigation system 19 The image processing means 17 divides the display monitor 18 into a maximum of four and displays each image “LS”, “RS”, “B”, “NAVI”. Can be displayed.

ここで、車両Ｖが駐、停車状態から走行を開始して駐車場に駐車するまでの間の運転状態の変化に応じて表示モニタ１８の表示状態がどのように変化するかを下記の（１）〜（１０）の各状態について順次説明すると、先ず（１）車両Ｖの駐、停車時には、表示モニタ１８上に４つの画像「ＬＳ」，「ＲＳ」，「Ｂ」，「ＮＡＶＩ」が相互に区画して表示され、また（２）車両Ｖがたとえば２０ｋｍ／ｈ未満の低速で直進走行している状態では、中央部を空けた表示モニタ１８の左右両側に「ＬＳ」，「ＲＳ」が表示され、（３）車両Ｖがたとえば２０ｋｍ／ｈ以上の高速で前方に直進走行している状態では表示モニタ１８の全画面に画像「ＮＡＶＩ」が表示される。   Here, how the display state of the display monitor 18 changes in accordance with the change in the driving state during the period from when the vehicle V is parked and stopped to when the vehicle V starts to park and parks at the parking lot (1) ) To (10) will be described sequentially. First, when the vehicle V is parked or stopped, four images “LS”, “RS”, “B”, and “NAVI” are displayed on the display monitor 18. (2) In a state where the vehicle V is traveling straight at a low speed of, for example, less than 20 km / h, “LS” and “RS” are displayed on both the left and right sides of the display monitor 18 with the center portion open. (3) When the vehicle V is traveling straight ahead at a high speed of, for example, 20 km / h or higher, the image “NAVI” is displayed on the entire screen of the display monitor 18.

また（４）車両Ｖがたとえば２０ｋｍ／ｈ未満の低速でウインカ２２を操作してたとえば駐車場に進入すべく左折意志を示しつつ操向ハンドル２４を操作して左折する状態では、中央部を空けた表示モニタ１８の左右両側に「ＬＳ」，「ＲＳ」が表示され、（５）たとえば駐車場内で車両Ｖがたとえば２０ｋｍ／ｈ未満の低速で前方に直進走行している状態では中央部を空けた表示モニタ１８の左右両側に「ＬＳ」，「ＲＳ」が表示され、（６）たとえば駐車場内で車両Ｖがたとえば２０ｋｍ／ｈ未満の低速でウインカ２２を操作せずに操向ハンドル２４を操作して右前方に旋回すべく進路を変更する状態では表示モニタ１８の右側に画像「ＲＳ」が表示されるとともに残余の画面の下側に画像「ＮＡＶＩ」が表示され、（７）たとえば駐車場内で車両Ｖがたとえば２０ｋｍ／ｈ未満の低速でウインカ２２を操作せずに操向ハンドル２４を操作して左前方に旋回すべく進路を変更する状態では表示モニタ１８の左側に画像「ＬＳ」が表示されるとともに残余の画面の下側に画像「ＮＡＶＩ」が表示される。   (4) When the vehicle V operates the turn signal 22 at a low speed of, for example, less than 20 km / h and turns to the left by operating the steering handle 24 while indicating the intention of turning left to enter the parking lot, for example, the center is left empty. “LS” and “RS” are displayed on both the left and right sides of the display monitor 18. (5) For example, when the vehicle V is traveling straight ahead at a low speed of, for example, less than 20 km / h in a parking lot, the center portion is vacated. “LS” and “RS” are displayed on both the left and right sides of the display monitor 18. (6) For example, the steering wheel 24 is operated without operating the turn signal 22 at a low speed of, for example, less than 20 km / h. In a state where the course is changed to turn right forward, the image “RS” is displayed on the right side of the display monitor 18 and the image “NAVI” is displayed on the lower side of the remaining screen. (7) For example, parking In the state where the vehicle V changes the course so as to turn leftward by operating the steering handle 24 without operating the turn signal 22 at a low speed of, for example, less than 20 km / h, an image “LS” is displayed on the left side of the display monitor 18. Is displayed and the image “NAVI” is displayed on the lower side of the remaining screen.

さらに（８）車両Ｖがたとえば駐車場内でたとえば２０ｋｍ／ｈ未満の低速で後方に直進走行したときには中央部を空けた表示モニタ１８の左右両側に「ＬＳ」，「ＲＳ」が表示され、次いで（９）車両Ｖがたとえば２０ｋｍ／ｈ未満の低速で操向ハンドル２４の操作によって左後方側に旋回すべく進路を変更するときには表示モニタ１８の左側に画像「ＬＳ」が表示されるとともに残余の画面の下側に画像「Ｂ」が表示され、さらに上記（８）の状態から（１０）車両Ｖがたとえば２０ｋｍ／ｈ未満の低速で操向ハンドル２４の操作によって右後方側に旋回すべく進路を変更するときには表示モニタ１８の右側に画像「ＲＳ」が表示されるとともに残余の画面の下側に画像「Ｂ」が表示される。   Further, (8) When the vehicle V travels straight backward at a low speed of, for example, less than 20 km / h in a parking lot, “LS” and “RS” are displayed on both the left and right sides of the display monitor 18 with the center portion open, 9) When the vehicle V changes its course to turn leftward by operating the steering handle 24 at a low speed of less than 20 km / h, for example, the image “LS” is displayed on the left side of the display monitor 18 and the remaining screen The image “B” is displayed on the lower side, and further, from the state of (8) above, (10) the vehicle V takes a course to turn right rearward by operating the steering handle 24 at a low speed of, for example, less than 20 km / h. When changing, the image “RS” is displayed on the right side of the display monitor 18 and the image “B” is displayed below the remaining screen.

すなわち画像処理手段１７は、車両がたとえば２０ｋｍ／ｈ以上の高速で走行するときには左側撮像手段１４Ｌの撮像に基づく画像「ＬＳ」ならびに右側撮像手段１４Ｒの撮像に基づく画像「ＲＳ」のいずれも表示モニタ１８に表示することはないが、車両がたとえば２０ｋｍ／ｈ未満の低速で走行しているときには、前記画像「ＬＳ」，「ＲＳ」のいずれかを表示モニタ１８に表示するものであり、特に、ウインカ２２を操作しない状態で操向ハンドル２４を操作することによる進路変更時には、前記画像「ＬＳ」，「ＲＳ」のうち進路変更側の画像を選択して表示モニタ１８に表示することになる。   That is, when the vehicle travels at a high speed of, for example, 20 km / h or more, the image processing unit 17 displays both the image “LS” based on the image captured by the left image capturing unit 14L and the image “RS” based on the image captured by the right image capturing unit 14R. 18, but when the vehicle is traveling at a low speed of, for example, less than 20 km / h, one of the images “LS” and “RS” is displayed on the display monitor 18. When the course is changed by operating the steering handle 24 without operating the winker 22, the course change side image is selected from the images “LS” and “RS” and displayed on the display monitor 18.

ところで車室内の運転席に座った車両運転者は、フロントガラス２７を通して前方側を直接視認することができるものであり、その直接視界は、図１では車両運転者のアイポイントＥＰから車両Ｖのボンネット２８の上面を通って前方に延びる視線ＥＬ１よりも前方であり、図２では右下がりの複数の斜線で示す領域ＤＡ１である。また車両運転者は、左側および右側ドアミラー１２Ｌ，１２Ｒによって間接的に車両Ｖの両側後方を視認することができるものであり、図１では車両運転者のアイポイントＥＰから左側ドアミラー１２Ｌで反射して後方に延びる視線ＥＬ２よりも後方であり、図２では右下がりの複数の斜線で示す領域ＩＡである。さらに図２において右下がりの複数の斜線で示す領域ＤＡ２は、左前部ドア１１Ｌのウインドを通して車両運転者が直接視認し得る直接視界の領域であるが、この直接視界の領域ＤＡ２は、車両Ｖから側方に比較的離れた領域であり、車両Ｖの側方近傍の視界を補助するための本発明装置には直接は関係しない領域である。   By the way, the vehicle driver sitting in the driver's seat in the passenger compartment can directly view the front side through the windshield 27, and the direct field of view of the vehicle V from the eye point EP of the vehicle driver in FIG. This is a region DA1 that is ahead of the line of sight EL1 that extends forward through the upper surface of the bonnet 28, and is indicated by a plurality of oblique lines that descend to the right in FIG. Further, the vehicle driver can indirectly visually recognize the rear of both sides of the vehicle V by the left and right door mirrors 12L and 12R. In FIG. 1, the vehicle driver reflects from the eyepoint EP of the vehicle driver by the left door mirror 12L. This is an area IA that is behind the line of sight EL2 that extends rearward and that is indicated by a plurality of diagonal lines that descend to the right in FIG. Further, an area DA2 indicated by a plurality of slanting lines in the lower right in FIG. 2 is an area of direct field of view that can be directly seen by the vehicle driver through the window of the left front door 11L. It is an area relatively far to the side, and is an area not directly related to the device of the present invention for assisting the visual field near the side of the vehicle V.

而して、左側ドアミラー１２Ｌのハウジング１３Ｌに取付けられる左側撮像手段１４Ｌは、車両Ｖの側方の前後において、運転席上の車両運転者による左前方側の直接視界領域ＤＡ１ならびに左側ドアミラー１２Ｌによる左後方側の間接視界領域ＩＡ間に死角が生じることがないようにすべく、前記直接視界領域ＤＡ１および前記間接視界領域ＩＡの一部を含んで前後に連続した領域ＰＡ（図２において左下がりの複数の斜線で示す領域）を同時に撮像可能であり、また右側ドアミラー１２Ｒのハウジング１３Ｒに取付けられる右側撮像手段１４Ｒは、左側撮像手段１４Ｌと同様に、運転席上の車両運転者による右前方側の直接視界領域ならびに右側ドアミラー１２Ｒによる右後方側の間接視界領域の一部を含んで前後に連続した領域を同時に撮像可能である。   Thus, the left imaging means 14L attached to the housing 13L of the left door mirror 12L is provided with the left front mirror 12L and the left front mirror 12L on the front side of the vehicle V in front and behind the vehicle V. In order to prevent a blind spot from occurring between the indirect visual field area IA on the rear side, an area PA (including a portion of the direct visual field area DA1 and the indirect visual field area IA, which is continuous in the front-rear direction (lower left in FIG. 2). The right imaging means 14R that can be simultaneously imaged (a plurality of hatched areas) and is attached to the housing 13R of the right door mirror 12R is located on the right front side by the vehicle driver on the driver's seat, like the left imaging means 14L. Simultaneously include a direct view area and a continuous area in the front and rear, including a part of the indirect view area on the right rear side by the right door mirror 12R. It is possible to imaging.

画像処理手段１７は、前記両撮像手段１４Ｌ，１４Ｒによる撮像領域ＰＡのうち少なくとも前後の境界が直接視界領域ＤＡ１の後縁および間接視界領域ＩＡの前縁と重なる領域ＭＡの撮像画像を表示モニタ１８に表示するものであり、たとえば左側撮像手段１４Ｌによる撮像領域すなわち領域ＰＡのうち、直接視界領域ＤＡ１と重なる前方側の重なり領域ＰＡ１ならびに間接視界領域ＩＡと重なる後方側の重なり領域ＰＡ２を含んで前後に連続した領域ＭＡを表示モニタ１８に表示するように、左側撮像手段１４Ｌによる撮像信号を処理する。   The image processing means 17 displays a captured image of an area MA where at least the front and rear boundaries of the imaging areas PA by the imaging means 14L and 14R overlap the rear edge of the direct visual field area DA1 and the front edge of the indirect visual field area IA. For example, in the imaging area by the left imaging means 14L, that is, the area PA, including the front overlapping area PA1 that overlaps the direct visual field area DA1 and the rear overlapping area PA2 that overlaps the indirect visual field area IA The imaging signal from the left imaging means 14L is processed so that the continuous area MA is displayed on the display monitor 18.

ところで、車両Ｖを側方から見た状態で左側撮像手段１４Ｌの光軸ＲＡが路面と交わる点は、前記表示モニタ１８に表示される領域ＭＡのうち直接視界領域ＤＡ１と重なる前方側の重なり領域ＰＡ１、ならびに前記撮像領域ＰＡのうち間接視界領域ＩＡと重なる後方側の重なり領域ＰＡ２のうち、左側撮像手段１４Ｌが備えるレンズの中心を通り車両Ｖの前後方向と平行な鉛直面上での前後方向距離に応じて設定される。すなわち前方側および後方側の重なり領域ＰＡ１，ＰＡ２の前記鉛直面上での前後方向距離が等しいときには、表示モニタ１８に表示される領域ＭＡの前記鉛直面上での二等分線と同一点で路面と交わるように光軸ＲＡが設定され、前方側の重なり領域ＰＡ１の前記前後方向距離が後方側の重なり領域ＰＡ２の前記前後方向距離よりも大きいときには、表示モニタ１８に表示される領域ＭＡの前記鉛直面上での二等分線が路面と交わる点よりも前方で路面と交わるように光軸ＲＡが設定され、後方側の重なり領域ＰＡ２の前記前後方向距離が前方側の重なり領域ＰＡ１の前記前後方向距離よりも大きいときには、表示モニタ１８に表示される領域ＭＡの前記鉛直面上での二等分線が路面と交わる点よりも後方で路面と交わるように光軸ＲＡが設定される。   By the way, the point where the optical axis RA of the left imaging means 14L intersects the road surface when the vehicle V is viewed from the side is the overlap region on the front side that directly overlaps the visual field region DA1 in the region MA displayed on the display monitor 18. Of the imaging area PA and the overlapping area PA2 on the rear side that overlaps the indirect field of view area IA, the longitudinal direction on the vertical plane that passes through the center of the lens provided in the left imaging means 14L and is parallel to the longitudinal direction of the vehicle V It is set according to the distance. That is, when the front and rear overlap areas PA1 and PA2 have the same longitudinal distance on the vertical plane, the same point as the bisector of the area MA displayed on the display monitor 18 on the vertical plane. When the optical axis RA is set so as to intersect the road surface, and the front-rear direction distance of the front overlap area PA1 is larger than the front-rear direction distance of the rear overlap area PA2, the area MA displayed on the display monitor 18 is displayed. The optical axis RA is set so that the bisector on the vertical plane intersects the road surface in front of the point where the bisector intersects the road surface, and the longitudinal distance of the overlapping region PA2 on the rear side is equal to that of the overlapping region PA1 on the front side. When the distance is greater than the longitudinal distance, the optical axis RA is such that the bisector on the vertical plane of the area MA displayed on the display monitor 18 intersects the road surface behind the point where the road surface intersects. It is constant.

また車両Ｖを側方から見た状態で右側撮像手段１４Ｒの光軸が路面と交わる点も、前記左側撮像手段１４Ｌの光軸ＲＡと同様に設定される。   The point where the optical axis of the right imaging means 14R intersects the road surface when the vehicle V is viewed from the side is set similarly to the optical axis RA of the left imaging means 14L.

このような画像処理手段１７の画像処理によれば、表示モニタ１８の左右に画像「ＬＳ」，「ＲＳ」を表示する状態では、左側撮像手段１４Ｌの撮像に基づく画像ならびに右側撮像手段１４Ｒの撮像に基づく画像が、図７で示すように表示モニタ１８上に表示されるものであり、この表示画像は、車体の左側および右側だけでなく前輪および後輪をそれぞれ含むものとなる。   According to such image processing of the image processing unit 17, in the state where the images “LS” and “RS” are displayed on the left and right of the display monitor 18, the image based on the imaging of the left imaging unit 14L and the imaging of the right imaging unit 14R are displayed. 7 is displayed on the display monitor 18 as shown in FIG. 7, and this display image includes not only the left and right sides of the vehicle body but also the front and rear wheels, respectively.

しかも画像処理手段１７は、表示モニタ１８上に、車両の左側端および右側端を示すライン、車両の左側端および右側端からたとえば０．４ｍのライン、ならびに車両の左側端および右側端からたとえば０．８ｍのラインと、車両の側端であることを示す文字「ＢＯＤＹ」ならびに車両の側端からの前記ラインの距離を示す文字「０．４」，「０．８」とを、前記画像に重ねて表示するスーパーインポーズ処理を実行し得るものであり、前記各ラインは、明確に認識し得るようにするために相互に異なる色に着色された状態で表示される。   Moreover, the image processing means 17 is arranged on the display monitor 18 with lines indicating the left and right ends of the vehicle, a line of 0.4 m from the left and right ends of the vehicle, and 0 from the left and right ends of the vehicle, for example. .8 m line, the characters “BODY” indicating the side edge of the vehicle, and the characters “0.4” and “0.8” indicating the distance of the line from the side edge of the vehicle in the image. Superimposing processing can be executed in a superimposed manner, and the lines are displayed in different colors so that they can be clearly recognized.

また表示モニタ１８はタッチパネル付きのものであり、このタッチパネルでは、たとえば左側撮像手段１４Ｌの撮像に基づいて表示される画像が、図８で示すように、車両の左側前方領域Ａ′を拡大して表示させるための上部指示領域Ａと、車両の左側前方領域Ａ′と一部が重なる車両の左側後方領域Ｂ′を拡大して表示させるための下部指示領域Ｂとに区画されており、車両Ｖの乗員が上部指示領域Ａおよび下部指示領域Ｂのいずれかを指で触って指示することにより、画像処理手段１７は、前記左側前方領域Ａ′および左側後方領域Ｂ′のいずれかを拡大して表示モニタ１８に表示する。たとえば上部指示領域Ａを車両Ｖの乗員が指で触って指示したときに、画像処理手段１７は、図９で示すように、左側前方領域Ａ′を拡大した画像を表示モニタ１８上に表示することになる。   Further, the display monitor 18 is provided with a touch panel. In this touch panel, for example, an image displayed based on the imaging of the left imaging means 14L expands the left front area A ′ of the vehicle as shown in FIG. The vehicle is divided into an upper instruction area A for display and a lower instruction area B for expanding and displaying a left rear area B ′ of the vehicle that partially overlaps the left front area A ′ of the vehicle. The image processing means 17 enlarges either the left front area A ′ or the left rear area B ′ by instructing one of the upper instruction area A and the lower instruction area B with a finger. Displayed on the display monitor 18. For example, when an occupant of the vehicle V indicates the upper instruction area A with a finger, the image processing means 17 displays an enlarged image of the left front area A ′ on the display monitor 18 as shown in FIG. It will be.

次にこの第１実施例の作用について説明すると、左側および右側撮像手段１４Ｌ，１４Ｒが、運転席上の車両運転者による前方側の直接視界領域ＤＡ１およびドアミラー１２Ｌ，１２Ｒによる後方側の間接視界領域ＩＡの一部を含んで前後に連続した領域ＰＡを同時に撮像可能として、前記ドアミラー１２Ｌ，１２Ｒにおけるハウジング１３Ｌ，１３Ｒの下部に取付けられており、前記撮像手段１４Ｌ，１４Ｒによる撮像信号を処理して得られた画像を車両運転者の視認を可能として車室内に設けられる表示モニタ１８に表示する画像処理手段１７は、左側および右側撮像手段１４Ｌ，１４Ｒによる撮像領域ＰＡのうち少なくとも前後の境界が直接視界領域ＤＡ１の後縁ならびに間接視界領域ＩＡの前縁と重なる領域ＭＡの撮像画像を表示モニタ１８に表示するものである。 When the next to be described operation of the first embodiment, the left and right image pickup means 14L, 14R are directly viewing area DA1 and the door mirror 12L on the front side by the vehicle driver's driver seat, indirect viewing area of the rear side by 12R An area PA that includes a part of IA and that is continuous in the front and back can be imaged at the same time, and is attached to the lower part of the housings 13L and 13R in the door mirrors 12L and 12R, and processes the imaging signals by the imaging means 14L and 14R. The image processing means 17 for displaying the obtained image on the display monitor 18 provided in the passenger compartment so that the vehicle driver can visually recognize at least the front and rear boundaries of the imaging areas PA by the left and right imaging means 14L and 14R. The captured image of the area MA that overlaps the rear edge of the visual field area DA1 and the front edge of the indirect visual field area IA is displayed. It is intended to be displayed in the data 18.

したがって直接視界および間接視界と、左側および右側撮像手段１４Ｌ，１４Ｒによる撮像に基づく撮像画像ＭＡとの間に死角が生じてしまうことはなく、車両Ｖの側方の前後に長い領域にわたっての安全を容易に確認することができ、しかも直接視界および間接視界と、前記撮像画像との間のつながり感を得ることができるので、車両運転者の視認性向上を果たすことができる。   Therefore, no blind spots are generated between the direct view and the indirect view and the picked-up images MA based on the images taken by the left and right image pickup means 14L and 14R, and safety over a long region before and after the side of the vehicle V is ensured. Since it can be confirmed easily and a sense of connection between the direct view and the indirect view and the captured image can be obtained, the visibility of the vehicle driver can be improved.

また画像処理手段１７は、表示モニタ１８が備えるタッチパネル上での車両運転者の指示に基づいて必要な部分だけを拡大した撮像画像を表示モニタ１８に表示することができるので、車両Ｖの側方に存在する障害物等を確実に認識することができる。   Further, the image processing means 17 can display on the display monitor 18 a captured image obtained by enlarging only a necessary portion based on an instruction of the vehicle driver on the touch panel provided in the display monitor 18. Obstacles, etc. present in the can be recognized with certainty.

しかも左側および右側撮像手段１４Ｌ，１４Ｒが、左右のドアミラー１２Ｌ，１２Ｒのハウジング１３Ｌ，１３Ｒにそれぞれ取付けられ、画像処理手段１７が、両撮像手段１４Ｌ，１４Ｒの撮像信号に基づく撮像画像を相互に間隔をあけて表示モニタ１８の左右に表示するので、車両Ｖの左右側方の前後領域を明確に区別して表示モニタ１８に表示することが可能となり、車両運転者の視認性がより向上する。   Moreover, the left and right imaging means 14L and 14R are attached to the housings 13L and 13R of the left and right door mirrors 12L and 12R, respectively, and the image processing means 17 spaces the captured images based on the imaging signals of both the imaging means 14L and 14R. Since the left and right sides of the display monitor 18 are displayed, the front and rear regions on the left and right sides of the vehicle V can be clearly distinguished and displayed on the display monitor 18 and the visibility of the vehicle driver is further improved.

また画像処理手段１７は、車両の低速走行状態での進路変更時に、右側への進路変更時には右側撮像手段１４Ｒ、左側への進路変更時には左側撮像手段１４Ｌの撮像信号に基づく撮像画像を選択して表示モニタ１８に表示するので、車両の両側のうち車両の進路変更側だけの撮像画像を表示モニタ１８に表示するようにして車両運転者の視認性がさらに向上する。   The image processing unit 17 selects a captured image based on the imaging signal of the right imaging unit 14R when the course is changed to the right side and when the course is changed to the right side and when the vehicle is changed to the left side. Since it is displayed on the display monitor 18, the visibility of the vehicle driver is further improved by displaying on the display monitor 18 a captured image of only the vehicle course changing side of both sides of the vehicle.

さらに左側および右側撮像手段１４Ｌ，１４Ｒが、車両の前輪ＷＦの接地部１６の外側縁を通って車両Ｖの前後方向と平行な直線Ｌ１と光軸ＲＡを交わらせ、しかも車両Ｖを側方から見た状態では前記撮像手段１４Ｌ，１４Ｒからの垂線ＰＬが路面と交わる点よりも前方で前記光軸ＲＡが前記路面と交わるようにして、ドアミラー１２Ｌ，１２Ｒにおけるハウジング１３Ｌ，１３Ｒの下部に取付けられるので、表示モニタ１８上では、図７および図８で示すように、車両Ｖの側縁が歪みを生じることなく直線状に延びて表示され、優れた視認性が得られることになる。   Further, the left and right imaging means 14L and 14R cross the optical axis RA with the straight line L1 parallel to the front-rear direction of the vehicle V through the outer edge of the grounding portion 16 of the front wheel WF of the vehicle, and the vehicle V from the side. When viewed, the optical axis RA is attached to the lower part of the housings 13L and 13R in the door mirrors 12L and 12R so that the optical axis RA intersects the road surface in front of the point where the perpendicular PL from the imaging means 14L and 14R intersects the road surface. Therefore, on the display monitor 18, as shown in FIGS. 7 and 8, the side edge of the vehicle V is displayed extending linearly without causing distortion, and excellent visibility is obtained.

これに対し、図３の鎖線で示すように光軸ＲＡ′が前輪Ｗの接地部１６の外側縁を通って車両Ｖの前後方向に平行な直線Ｌ１から外側にずれるように設定されたときには、図１０で示すように、表示モニタ１８上での車両Ｖの側縁が歪んでしまい、たとえば車両の側方の側壁への幅寄せ時に当該側壁に車両Ｖを平行に幅寄せすることが困難となる。また図３の鎖線で示すように光軸ＲＡ″が車両Ｖの最側縁を通過するように撮像手段１４Ｌ，１４Ｒの取付け位置を設定したときには、図１１で示すように、車輪の部分が表示モニタ１８上に表示されず、車両Ｖの側方に死角が生じてしまう。   On the other hand, when the optical axis RA ′ is set so as to be shifted outward from the straight line L1 parallel to the front-rear direction of the vehicle V through the outer edge of the grounding portion 16 of the front wheel W as shown by a chain line in FIG. As shown in FIG. 10, the side edge of the vehicle V on the display monitor 18 is distorted. For example, it is difficult to width the vehicle V parallel to the side wall at the time of width alignment to the side wall of the vehicle. Become. When the mounting positions of the imaging means 14L and 14R are set so that the optical axis RA "passes through the outermost edge of the vehicle V as shown by a chain line in FIG. 3, the wheel portion is displayed as shown in FIG. It is not displayed on the monitor 18, and a blind spot occurs on the side of the vehicle V.

本発明の第２実施例として、図１２で示すように、車両Ｖの前後方向に沿う中心線Ｃから左右の前輪ＷＦ，ＷＦまでの距離と、前記中心線Ｃから左右の後輪ＷＲ，ＷＲまでの距離とが異なる場合に、ドアミラー１２Ｌ，１２Ｒにおけるハウジング１３Ｌ，１３Ｒの下部に取付けられる前記撮像手段１４Ｌ，１４Ｒの光軸を、左右の前輪ＷＦ，ＷＦの接地部および左右の後輪ＷＲ，ＷＲの接地部の外側縁同士を結んだ直線Ｌ２に交わらせるようにしてもよい。この場合、前記直線Ｌ２は、たとえば前輪ＷＦの接地部の前後方向中央部の外側縁および後輪ＷＲ接地部の前後方向中央部の外側縁を結ぶように設定される。   As a second embodiment of the present invention, as shown in FIG. 12, the distance from the center line C along the longitudinal direction of the vehicle V to the left and right front wheels WF, WF, and the left and right rear wheels WR, WR from the center line C. When the distance to the optical mirrors of the imaging means 14L, 14R attached to the lower portions of the housings 13L, 13R of the door mirrors 12L, 12R is different, the grounding portions of the left and right front wheels WF, WF and the left and right rear wheels WR, You may make it cross | intersect the straight line L2 which connected the outer edges of the grounding part of WR. In this case, the straight line L2 is set, for example, so as to connect the outer edge of the center portion in the front-rear direction of the ground contact portion of the front wheel WF and the outer edge of the center portion in the front-rear direction of the rear wheel WR ground contact portion.

この第２実施例によれば、前輪ＷＦ，ＷＦおよび後輪ＷＲ，ＷＲの部分を表示モニタ１８上に確実に表示して車両Ｖの側方に死角が生じないようにするとともに、表示モニタ１８上で車両の側縁が歪みを生じることなく直線状に延びて表示されることになり、優れた視認性が得られることになる。   According to the second embodiment, the front wheels WF and WF and the rear wheels WR and WR are reliably displayed on the display monitor 18 so as not to cause blind spots on the side of the vehicle V, and the display monitor 18 The side edges of the vehicle are displayed in a straight line without distortion, and excellent visibility can be obtained.

また本発明の第３実施例として、車両Ｖの前後方向に沿う中心線Ｃから左右の後輪ＷＲ，ＷＲまでの距離が前記中心線Ｃから左右の前輪ＷＦ，ＷＦまでの距離よりも小であることに起因して、ドアミラー１２Ｌ，１２Ｒにおけるハウジング１３Ｌ，１３Ｒの下部に取付けられる前記撮像手段１４Ｌ，１４Ｒによる撮像画像に、図１３で示すように、後輪ＷＲ…が車体Ｂに邪魔されて含まれない場合があるときには、前輪ＷＦの接地部の外側縁と、後輪ＷＲに対応する部分で該後輪ＷＲよりも外側に位置する車体Ｂの外側縁の路面への投影点とを結んだ直線Ｌ３に光軸ＲＡを交わらせるように撮像手段１４Ｌ，１４Ｒが配設されるようにしてもよい。この場合、前記直線Ｌ３は、たとえば前輪ＷＦの接地部の前後方向中央部の外側縁と、後輪ＷＲに対応する部分で該後輪ＷＲよりも外側に位置する車体Ｂの外側縁の路面への投影点とを結ぶように設定される。   As a third embodiment of the present invention, the distance from the center line C along the longitudinal direction of the vehicle V to the left and right rear wheels WR, WR is smaller than the distance from the center line C to the left and right front wheels WF, WF. As a result, the rear wheel WR is obstructed by the vehicle body B as shown in FIG. 13 in the images taken by the imaging means 14L and 14R attached to the lower portions of the housings 13L and 13R of the door mirrors 12L and 12R. When not included, the outer edge of the ground contact portion of the front wheel WF is connected to the projection point on the road surface of the outer edge of the vehicle body B positioned outside the rear wheel WR at the portion corresponding to the rear wheel WR. The imaging means 14L and 14R may be arranged so that the optical axis RA intersects the straight line L3. In this case, the straight line L3 is, for example, on the outer edge of the center portion in the front-rear direction of the ground contact portion of the front wheel WF and the road surface of the outer edge of the vehicle body B located outside the rear wheel WR at the portion corresponding to the rear wheel WR. It is set so as to connect the projected points.

この第３実施例によれば、前輪ＷＦの部分を表示モニタ１８上に確実に表示して車両Ｖの側方に死角が生じないようにするとともに、表示モニタ１８上では車両Ｖの側縁が歪みを生じることなく直線状に延びて表示されることになり、優れた視認性が得られることになる。   According to the third embodiment, the portion of the front wheel WF is reliably displayed on the display monitor 18 so as not to cause a blind spot on the side of the vehicle V, and the side edge of the vehicle V is displayed on the display monitor 18. It will be displayed in a straight line without distortion, and excellent visibility will be obtained.

上記実施例では、表示モニタ１８が備えるタッチパネルが上部指示領域Ａおよび下部指示領域Ｂの２つの指示領域に区画されており、それらの指示領域Ａ，Ｂのいずれかを指で触って指示することにより各指示領域Ａ，Ｂに対応して予め定められた領域Ａ′，Ｂ′のいずれかを拡大して表示モニタ１８に表示するようにしたが、本発明の他の実施例として、前記タッチパネルを、ドラッグ式もしくは２ポイント指示式として、表示モニタ１８上の任意の領域を自在に拡大して表示させるようにしてもよい。   In the above embodiment, the touch panel included in the display monitor 18 is divided into two instruction areas, the upper instruction area A and the lower instruction area B, and an instruction is made by touching one of the instruction areas A and B with a finger. Thus, one of the predetermined areas A ′ and B ′ corresponding to the instruction areas A and B is enlarged and displayed on the display monitor 18. However, as another embodiment of the present invention, the touch panel is used. As a drag type or a two-point indication type, an arbitrary area on the display monitor 18 may be freely enlarged and displayed.

以上、本発明の実施例を説明したが、本発明は上記実施例に限定されるものではなく、特許請求の範囲に記載された本発明を逸脱することなく種々の設計変更を行うことが可能である。   Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various design changes can be made without departing from the present invention described in the claims. It is.

たとえば上記実施例では、ウインカ２２を操作しない状態で操向ハンドル２４を操作することによる進路変更時に、左側および右側撮像手段１４Ｌ，１４Ｒの撮像に基づく画像のうち進路変更側の画像を選択して表示モニタ１８に表示するようにしていたが、ウインカ２２を操作して進路変更を行うときにも、左側および右側撮像手段１４Ｌ，１４Ｒの撮像に基づく画像のうち進路変更側の画像を選択して表示モニタ１８に表示するようにしてもよい。   For example, in the above embodiment, when the course is changed by operating the steering handle 24 without operating the turn signal 22, the image on the course change side is selected from the images based on the images of the left and right imaging means 14L and 14R. Although displayed on the display monitor 18, when the course is changed by operating the turn signal 22, the course change side image is selected from the images based on the images of the left and right imaging means 14L and 14R. It may be displayed on the display monitor 18.

車両の側面図である。It is a side view of a vehicle. 車両の平面図である。It is a top view of a vehicle. 車両の左半部正面図である。It is a left half front view of a vehicle. 左右のドアミラーおよびインストルメントパネルを車室側から見た図である。It is the figure which looked at the door mirror on either side and the instrument panel from the vehicle compartment side. 視界補助装置の構成を示すブロック図である。It is a block diagram which shows the structure of a visual field assistance apparatus. 車両の運転状態に応じた表示モニタへの表示状態を説明するための図である。It is a figure for demonstrating the display state to the display monitor according to the driving | running state of a vehicle. 左側および右側撮像手段の撮像に基づく表示画像を示す図である。It is a figure which shows the display image based on the imaging of the left side and right side imaging means. 表示モニタでのタッチパネルでの指示を説明するための図である。It is a figure for demonstrating the instruction | indication on the touchscreen in a display monitor. タッチパネルの指示によって拡大した画像の例を示す図である。It is a figure which shows the example of the image expanded by the instruction | indication of the touch panel. 表示画像に歪みが生じた例を示す図である。It is a figure which shows the example which distortion generate | occur | produced in the display image. 表示画像に死角が生じた例を示す図である。It is a figure which shows the example which the blind spot produced in the display image. 第２実施例において光軸を交わらせる直線の設定を説明するための車両の平面図である。It is a top view of the vehicle for demonstrating the setting of the straight line which crosses an optical axis in 2nd Example. 第３実施例において光軸を交わらせる直線の設定を説明するための撮像手段による撮像画像を示す図である。It is a figure which shows the captured image by the imaging means for demonstrating the setting of the straight line which crosses an optical axis in 3rd Example.

１２Ｌ，１２Ｒ・・・ドアミラー
１３Ｌ，１３Ｒ・・・ハウジング
１４Ｌ，１４Ｒ・・・撮像手段
１６・・・接地部
１７・・・画像処理手段
１８・・・表示モニタ
ＲＡ・・・光軸
Ｂ・・・車体
Ｌ１，Ｌ２，Ｌ３・・・直線
Ｖ・・・車両
ＷＦ・・・前輪
ＷＲ・・・後輪 12L, 12R ... Door mirrors 13L, 13R ... Housings 14L, 14R ... Imaging means 16 ... Grounding section 17 ... Image processing means 18 ... Display monitor RA ... Optical axis B ...・ Vehicle L1, L2, L3 ... straight line V ... vehicle WF ... front wheel WR ... rear wheel

Claims (3)

車両（Ｖ）の側方の、前後に連続した領域を同時に撮像可能としてドアミラー（１２Ｌ，１２Ｒ）のハウジング（１３Ｌ，１３Ｒ）に取付けられる撮像手段（１４Ｌ，１４Ｒ）と、車両運転者の視認を可能として車室内に設けられる表示モニタ（１８）と、前記撮像手段（１４Ｌ，１４Ｒ）による撮像信号を処理して得られた画像を前記表示モニタ（１８）に表示する画像処理手段（１７）とを備える車両の視界補助装置において、前記撮像手段（１４Ｌ，１４Ｒ）が、車両の前輪（ＷＦ）の接地部の外側縁を通って車両（Ｖ）の前後方向に平行な直線（Ｌ１）に光軸（ＲＡ）を交わらせるようにして、前記ハウジング（１３Ｌ，１３Ｒ）の下部に取付けられることを特徴とする車両の視界補助装置。 Imaging means (14L, 14R) that is attached to the housing (13L, 13R) of the door mirror (12L, 12R) so as to be able to simultaneously image the front and rear continuous areas on the side of the vehicle (V), and the vehicle driver's visual recognition A display monitor (18) provided in the passenger compartment as possible, and an image processing means (17) for displaying on the display monitor (18) an image obtained by processing an imaging signal from the imaging means (14L, 14R). In the vehicular field of view assisting device, the imaging means (14L, 14R) passes through the outer edge of the grounding portion of the front wheel (WF) of the vehicle and emits light on a straight line (L1) parallel to the front-rear direction of the vehicle (V). A field of view assistance device for a vehicle, which is attached to a lower portion of the housing (13L, 13R) so as to cross an axis (RA). 車両（Ｖ）の側方の、前後に連続した領域を同時に撮像可能としてドアミラー（１２Ｌ，１２Ｒ）のハウジング（１３Ｌ，１３Ｒ）に取付けられる撮像手段（１４Ｌ，１４Ｒ）と、車両運転者の視認を可能として車室内に設けられる表示モニタ（１８）と、前記撮像手段（１４Ｌ，１４Ｒ）による撮像信号を処理して得られた画像を前記表示モニタ（１８）に表示する画像処理手段（１７）とを備える車両の視界補助装置において、前記撮像手段（１４Ｌ，１４Ｒ）が、車両の前輪（ＷＦ）および後輪（ＷＲ）の接地部の外側縁同士を結んだ直線（Ｌ２）に光軸（ＲＡ）を交わらせるようにして、前記ハウジング（１３Ｌ，１３Ｒ）の下部に取付けられることを特徴とする車両の視界補助装置。 Imaging means (14L, 14R) that is attached to the housing (13L, 13R) of the door mirror (12L, 12R) so as to be able to simultaneously image the front and rear continuous areas on the side of the vehicle (V), and the vehicle driver's visual recognition A display monitor (18) provided in the passenger compartment as possible, and an image processing means (17) for displaying on the display monitor (18) an image obtained by processing an imaging signal from the imaging means (14L, 14R). In the vehicular field of view assisting device, the imaging means (14L, 14R) has an optical axis (RA) on a straight line (L2) connecting the outer edges of the grounding portions of the front wheel (WF) and the rear wheel (WR) of the vehicle. ), And is attached to the lower part of the housing (13L, 13R). 車両（Ｖ）の側方の、前後に連続した領域を同時に撮像可能としてドアミラー（１２Ｌ，１２Ｒ）のハウジング（１３Ｌ，１３Ｒ）に取付けられる撮像手段（１４Ｌ，１４Ｒ）と、車両運転者の視認を可能として車室内に設けられる表示モニタ（１８）と、前記撮像手段（１４Ｌ，１４Ｒ）による撮像信号を処理して得られた画像を前記表示モニタ（１８）に表示する画像処理手段（１７）とを備える車両の視界補助装置において、前記撮像手段（１４Ｌ，１４Ｒ）が、車両の前輪（ＷＦ）の接地部の外側縁と、車両（Ｖ）の後輪（ＷＲ）に対応する部分で該後輪（ＷＲ）よりも外側に位置する車体（Ｂ）の外側縁の路面への投影点とを結んだ直線（Ｌ３）に光軸（ＲＡ）を交わらせるようにして、前記ハウジング（１３Ｌ，１３Ｒ）の下部に取付けられることを特徴とする車両の視界補助装置。 Imaging means (14L, 14R) that is attached to the housing (13L, 13R) of the door mirror (12L, 12R) so as to be able to simultaneously image the front and rear continuous areas on the side of the vehicle (V), and the vehicle driver's visual recognition A display monitor (18) provided in the passenger compartment as possible, and an image processing means (17) for displaying on the display monitor (18) an image obtained by processing an imaging signal from the imaging means (14L, 14R). In the vehicular field of view assisting device, the imaging means (14L, 14R) includes a rear edge of the grounding portion of the front wheel (WF) of the vehicle and a portion corresponding to the rear wheel (WR) of the vehicle (V). The optical axis (RA) intersects the straight line (L3) connecting the projection point on the road surface of the outer edge of the vehicle body (B) located outside the wheel (WR) so that the housing (13L, 13R ) Bottom Visibility assist device for a vehicle, characterized in that attached.
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JP2002029345A (en) * 2000-07-14 2002-01-29 Mitsubishi Motors Corp Device for supporting parking
JP2003061086A (en) * 2001-08-10 2003-02-28 Nippon Seiki Co Ltd Vehicle-user supervisory device
JP2003159994A (en) * 2001-11-22 2003-06-03 Mitsubishi Motors Corp Vehicle circumference monitoring apparatus
JP2005020502A (en) * 2003-06-27 2005-01-20 Nippon Seiki Co Ltd Supervisory device for vehicle

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