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WO2015037908A1 - Système de caméra de recul pour véhicule - Google Patents

Système de caméra de recul pour véhicule Download PDF

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Publication number
WO2015037908A1
WO2015037908A1 PCT/KR2014/008457 KR2014008457W WO2015037908A1 WO 2015037908 A1 WO2015037908 A1 WO 2015037908A1 KR 2014008457 W KR2014008457 W KR 2014008457W WO 2015037908 A1 WO2015037908 A1 WO 2015037908A1
Authority
WO
WIPO (PCT)
Prior art keywords
region
vehicle
magnification
area
image
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2014/008457
Other languages
English (en)
Korean (ko)
Inventor
이호철
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Industry Academic Cooperation Foundation of Hanbat National University
Original Assignee
Industry Academic Cooperation Foundation of Hanbat National University
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 Industry Academic Cooperation Foundation of Hanbat National University filed Critical Industry Academic Cooperation Foundation of Hanbat National University
Publication of WO2015037908A1 publication Critical patent/WO2015037908A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B60R1/06—Rear-view mirror arrangements mounted on vehicle exterior
    • 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
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/04—Mounting of cameras operative during drive; Arrangement of controls thereof relative to the vehicle
    • 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
    • B60R2001/1253—Mirror assemblies combined with other articles, e.g. clocks with cameras, video cameras or video screens
    • 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
    • B60R2300/30—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing
    • B60R2300/303—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing using joined images, e.g. multiple camera images
    • 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
    • B60R2300/30—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing
    • B60R2300/306—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing using a re-scaling of images

Definitions

  • the present invention relates to a camera system of a rear view of a vehicle, and more particularly, to a system in which an image photographed by a camera mounted on a vehicle side mirror or mounted in place of a side mirror is reproduced.
  • the vehicle is equipped with mirrors on the outside of the left and right front doors and inside the vehicle in order for the driver to easily grasp and monitor the left and right road conditions, and is called a room mirror and a side mirror according to the mounting position of the mirror.
  • the driver can recognize the driving direction and speed of other vehicles traveling in the rear left and right through the side mirror while watching the front left and right, so that the driver can keep a safe distance from the front and rear vehicles. In addition, it is possible to safely pass or change lanes without disturbing the operation of other vehicles driving behind.
  • Such side mirrors were originally equipped with a flat mirror that is easy to manufacture, but in order to secure a more viewing angle of the vehicle driver and increase the viewing range of the driver, a side mirror having a convex mirror is increasing.
  • the convex mirrors have a wider viewing range than the planar ones, but they tend to obscure the driver's judgment because objects are too small at high reduction ratios.
  • an auxiliary mirror may be further mounted on the vehicle. Since it does not give a full rearward view, two areas where the size of the rear object is constant need to be represented by one side mirror while minimizing optical distortion.
  • the Korean Utility Model Publication No. 20-0288548 has a planar shape as a whole.
  • a side mirror for a vehicle is disclosed, and the outer side is formed with a convex curvature surface, and in Korean Patent Application Publication No. 20-0322014, a differential side having a planar shape as a whole but having an outer end curved to have a convex shape.
  • a mirror is disclosed.
  • Patent Document 10-0894432 discloses a progressive aspheric convex mirror having a convex mirror portion of a side mirror, and in Patent Document 10-0867439, at least three aspherical progressive focus regions are partitioned at predetermined intervals along a horizontal direction. The formed side mirror is disclosed.
  • FIG. 1 illustrates an exemplary view in which a vehicle camera is mounted on a conventional vehicle side mirror
  • FIG. 2 illustrates a conceptual diagram of a conventional vehicle camera system.
  • a vehicle camera 11 is installed at a portion of an existing vehicle side mirror 10 or only a vehicle camera is installed in place of an existing vehicle side mirror (not shown). It is displayed on the display unit 20 therein so that the driver can grasp the state of the surrounding vehicle.
  • the size of the image display device is inevitably large in order to view an image of more field of view, or the size of the image display device is inevitably increased to fit the limited small image device size, so that the size of the vehicle displayed on the image display device becomes smaller. It can blur the driver's judgment.
  • Conventional camera imaging system has a problem that when the magnification of the object is reduced as much as possible to remove the blind spot, the sense of distance of the object is damaged. In addition, when the magnification is enlarged so as not to damage the perspective, there is a problem that a blind spot occurs in a near area where the vehicle object approaches.
  • Korean Patent No. 10-0936557 is provided with an image display means inside the vehicle so as to grasp the image with a sense of distance while displaying an image of a wider area
  • a patent is disclosed for mixing and displaying a compressed image on both ends.
  • the image of both ends and the image of the center have different compression ratio, and at the boundary, the compressed image is discontinuously displayed, so that the vehicle movement between images cannot be displayed smoothly. The driver can feel the movement.
  • an object of the present invention is to provide a method of expressing the image of the widest rear field of view in a limited image display device, whereby In addition to eliminating blind spots that can not be seen, the purpose of the screen area can be adjusted to solve the distortion and inaccurate distance of the image to the maximum, so that the driver can feel the real comfort.
  • the camera system of the rear view of the vehicle comprising a vehicle camera mounted on the vehicle side mirror of the present invention or a display unit for reproducing the captured image to be reproduced to achieve the object as described above, from the camera And an image processor for dividing the received image data into an inner region, an outer region, and a central region to enlarge or reduce each region at a different magnification in the horizontal direction.
  • the image processing unit may have the same vertical magnification of the inner region, the outer region, and the center region, and the inner region may have the same vertical magnification and horizontal magnification, and the inner region and the outer region may be horizontal.
  • the direction magnification is different and has a constant value, and the center area gradually decreases in the horizontal direction magnification, and the horizontal direction magnification of the center area indicates that the horizontal direction magnification of both ends is the same as the horizontal direction magnification of the inner area and the outer area.
  • the horizontal magnification in the outer region is smaller than the horizontal magnification in the inner region.
  • the image processor may adjust the division widths of the inner region, the outer region, and the central region, which are displayed on the display unit.
  • the image processor may adjust horizontal magnifications of the inner region, the outer region, and the central region.
  • the camera system of the rear view of the vehicle of the present invention is a method of expressing the image of the rear view as wide as possible in the limited image display device by dividing the image area to set different magnifications, but gradually changing the magnification in the center area, Images are displayed continuously even at the boundaries of all regions.
  • the present invention not only eliminates blind spots that the driver can not see while driving the vehicle, but also ensures continuity at the interface to solve image distortion and inaccurate distance as much as possible, so that the driver can feel a realistic comfort. have.
  • 1 is an exemplary view equipped with a conventional rear view camera.
  • FIG. 2 is a conceptual diagram of a camera system of a conventional vehicle rear view
  • FIG. 3 is a conceptual view illustrating a camera system of a rear view of a vehicle according to an embodiment of the present invention.
  • FIG. 4 is a graph showing a compression ratio for compressing and displaying an image of a camera system of a rear view camera for a vehicle according to an embodiment of the present invention in a horizontal direction;
  • FIG 3 is a conceptual diagram of a camera system 1000 of a rear view of a vehicle according to an embodiment of the present invention.
  • the camera system 1000 of the rear view vehicle for the vehicle includes a camera 100, an image processor 300, and a display unit 200.
  • a vehicle camera 100 is installed at a portion of an existing vehicle side mirror 10 or only a vehicle camera 100 is installed in place of an existing vehicle side mirror (not shown).
  • the image photographed at is displayed on the display unit 200 inside the vehicle, so that the driver can grasp the state of the surrounding vehicle.
  • the vehicle camera 100 in the conventional vehicle camera system 1000 is a vehicle camera 100 that is generally used, and a wide angle lens is preferably installed to secure a wider field of view.
  • the image photographed by the camera 100 is displayed on the display unit 200 via the image processor 300. Since the vehicle camera 100 is installed on the vehicle side mirror, which is already known, the captured image is displayed on the display unit 200, the operation relationship thereof is not described here. It will be described focusing on the image change of the display unit 200 appears.
  • an image captured by the camera 100 is compressed by the image processor 300, and a part or the whole of the image is displayed on the display 200.
  • the driver may adjust the size of the image displayed on the display unit 200 according to the number of lanes.
  • the number of lanes when the number of lanes is large, a wide field of view may be secured by displaying the entire photographed image.
  • the number of lanes is small, only a part of the captured image may be displayed to determine an accurate image.
  • the image processor 300 divides the image photographed by the camera 100 into an inner region 210, an outer region 230, and a central region 220.
  • the inner region 210, the outer region 230, and the central region 220 are displayed at the same magnification in the vertical direction, but in the horizontal direction, the outer region 230 and the central region 220. Processes the image at different magnifications.
  • the horizontal magnifications of the inner region 210 and the outer region 230 are different and have a constant value.
  • the inner region 210 has the same vertical magnification and horizontal magnification, and the central region 220 gradually decreases in the horizontal magnification, and the horizontal ratio of the central region 220 is determined at both ends.
  • the horizontal ratio is the same as the horizontal ratio of the inner region 210 and the outer region 230.
  • the horizontal magnification of the central region 220 gradually changes to have continuity with the inner region 210 and the outer region 230.
  • Mm Mf + (Mn-Mf) * sin ⁇ / 2 * (x-xf) / (xn-xf) ⁇
  • Equation 1 shows an example of the formula for determining the horizontal magnification of the central region 220, the boundary between the inner region 210 and the outer region 230 in the central region 220.
  • the feature is that the magnification is set continuously.
  • the outer region 230 has a horizontal magnification smaller than the horizontal magnification in the inner region 210.
  • the image processor 300 may allow the driver to arbitrarily set the horizontal and vertical magnifications of the inner region 210, the central region 220, and the outer region 230. do.
  • the image processing unit 300 has the same vertical magnification of each area, and adjusting the horizontal magnification of the outer area 230 has an advantage of ensuring a wide viewing angle.
  • the photographed video image displayed on the display unit 200 is divided into the inner region 210, the central region 220, and the outer region 230 and reproduced.
  • the display unit 200 includes the inner region 210, and the horizontal magnification is gradually converted into a horizontal magnification lower than the horizontal magnification of the central region 220 and the inner region 210. If only one region of the outer region 230 is included, the image may suddenly change at the interface with the inner region 210, which may confuse the driver.
  • the image processing unit 300 of the present invention should include all of the inner region 210, the outer region 230, and the central region 220.
  • the image processor 300 may adjust and reproduce a division width in the display unit 200 in which the inner region 210, the outer region 230, and the central region 220 are displayed. .
  • the driver directly adjusts the dividing widths of the inner region 210, the outer region 230, and the central region 220, and adjusts the dividing width that the driver considers to be the most natural. You can see the rear view.
  • the ratio of the inner region 210: the center region 220: the outer region 230 may be adjusted to 7: 1: 2.
  • the above-described area ratio 7: 1: 2 is merely one embodiment, and the driver may arbitrarily adjust various ratios to adjust the ratio displayed on the display unit 200.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Closed-Circuit Television Systems (AREA)

Abstract

La présente invention concerne un système de caméra de recul pour un véhicule, le système de caméra de recul comprenant une caméra de véhicule qui est montée sur un rétroviseur extérieur de véhicule ou montée à la place du rétroviseur extérieur et une unité d'affichage pour reproduire une image capturée, le système de caméra de recul comprenant une unité de traitement d'image, qui divise horizontalement les données image reçues de la caméra en une zone interne, une zone externe et une zone centrale en référence à une vue arrière près d'un conducteur, et agrandit ou réduit les zones divisées des données image avec différents grossissements, respectivement.
PCT/KR2014/008457 2013-09-13 2014-09-11 Système de caméra de recul pour véhicule Ceased WO2015037908A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2013-0110501 2013-09-13
KR1020130110501A KR101453335B1 (ko) 2013-09-13 2013-09-13 차량용 후방시야의 카메라 시스템

Publications (1)

Publication Number Publication Date
WO2015037908A1 true WO2015037908A1 (fr) 2015-03-19

Family

ID=51998386

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2014/008457 Ceased WO2015037908A1 (fr) 2013-09-13 2014-09-11 Système de caméra de recul pour véhicule

Country Status (2)

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KR (1) KR101453335B1 (fr)
WO (1) WO2015037908A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3428522A1 (fr) * 2015-03-23 2019-01-16 Koito Manufacturing Co., Ltd. Dispositif de capture d'images pour véhicule, support de lampe pour véhicule et unité de commande électronique
CN112519678A (zh) * 2016-12-22 2021-03-19 康奈可关精株式会社 图像显示控制装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102667017B1 (ko) * 2023-09-14 2024-05-24 주식회사 엠티오메가 가변 스케일링을 이용한 객체 검출 방법 및 이러한 방법을 수행하는 장치

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008022125A (ja) * 2006-07-11 2008-01-31 Honda Motor Co Ltd 運転支援装置
KR20130024502A (ko) * 2011-08-31 2013-03-08 한밭대학교 산학협력단 누진 다초점 사이드 미러
JP2013085142A (ja) * 2011-10-11 2013-05-09 Honda Motor Co Ltd 車両の運転支援装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008022125A (ja) * 2006-07-11 2008-01-31 Honda Motor Co Ltd 運転支援装置
KR20130024502A (ko) * 2011-08-31 2013-03-08 한밭대학교 산학협력단 누진 다초점 사이드 미러
JP2013085142A (ja) * 2011-10-11 2013-05-09 Honda Motor Co Ltd 車両の運転支援装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3428522A1 (fr) * 2015-03-23 2019-01-16 Koito Manufacturing Co., Ltd. Dispositif de capture d'images pour véhicule, support de lampe pour véhicule et unité de commande électronique
US11872604B2 (en) 2015-03-23 2024-01-16 Koito Manufacturing Co., Ltd. Image pickup device for vehicle, vehicle lamp and electronic control unit
CN112519678A (zh) * 2016-12-22 2021-03-19 康奈可关精株式会社 图像显示控制装置
CN112519678B (zh) * 2016-12-22 2023-11-17 康奈可关精株式会社 图像显示控制装置

Also Published As

Publication number Publication date
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