EP3803680A1 - Optisches erfassungssystem, angeordnet an einer heckklappe eines fahrzeugs - Google Patents
Optisches erfassungssystem, angeordnet an einer heckklappe eines fahrzeugsInfo
- Publication number
- EP3803680A1 EP3803680A1 EP19726900.4A EP19726900A EP3803680A1 EP 3803680 A1 EP3803680 A1 EP 3803680A1 EP 19726900 A EP19726900 A EP 19726900A EP 3803680 A1 EP3803680 A1 EP 3803680A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- detection system
- evaluated
- tailgate
- optical detection
- image receiver
- 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.)
- Withdrawn
Links
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
- B60R1/20—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/22—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle
- B60R1/23—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view
- B60R1/26—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view to the rear of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/20—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/22—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle
- B60R1/28—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with an adjustable field of view
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
- G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
- G06V10/147—Details of sensors, e.g. sensor lenses
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
-
- 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
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0001—Arrangements for holding or mounting articles, not otherwise provided for characterised by position
- B60R2011/004—Arrangements for holding or mounting articles, not otherwise provided for characterised by position outside the vehicle
-
- 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
-
- 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
- B60R2300/302—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing combining image information with GPS information or vehicle data, e.g. vehicle speed, gyro, steering angle data
-
- 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
- B60R2300/60—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by monitoring and displaying vehicle exterior scenes from a transformed perspective
- B60R2300/602—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by monitoring and displaying vehicle exterior scenes from a transformed perspective with an adjustable viewpoint
- B60R2300/605—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by monitoring and displaying vehicle exterior scenes from a transformed perspective with an adjustable viewpoint the adjustment being automatic
-
- 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
- B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
- B60R2300/806—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement for aiding parking
-
- 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
- B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
- B60R2300/8066—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement for monitoring rearward traffic
Definitions
- the invention relates to an optical detection system with a detection area and a method for maintaining the detection area.
- Optical systems for detecting an environment around a vehicle have become the state of the art in the vehicle world.
- a disadvantage of the prior art is that the cameras have image receiver chips with fixed recording areas, whereby the detection range of the camera depends on the position or orientation of the camera. If the camera now experiences a change in position, then its detection range automatically changes, as a result of which potentially critical obstacles are no longer displayed, even though they are still present. This can lead to a reduction in driving safety.
- an optical detection system for a vehicle is provided with a detection area for capturing an environmental detail, wherein the optical detection system comprises an image receiver chip, wherein the image receiver chip has a certain maximum number of pixels, wherein when taking an environmental image, a certain number of pixels in one Pixel range of the image receptor chip is active, wherein the maximum pixel number of the image receiver chip is greater than the pixel number of the evaluated pixel area, the optical detection system detects a behind the vehicle area and is formed such that the detection area upon movement of a tailgate by changing the pixel area to be evaluated on the image receiver chip remains substantially unchanged.
- the advantage here is that the detection area remains the same or the same, even if the detection system undergoes a change in position. As a result, the same surrounding area can be accommodated, regardless of the position or position of the detection system. This is particularly advantageous when the detection system or a camera of the detection system is arranged on a tailgate of a vehicle. If now bulky goods are transported with the vehicle, so that the tailgate can not be completely closed, then the Ambient area are recorded, which corresponds to that which would be recorded by a camera arranged on a closed tailgate.
- the present invention has a compensation effect by means of which an undesired shift of the detection range can be largely prevented. This is achieved by the dependence between the movement of the tailgate and the change in the pixel area to be evaluated.
- the image receiver chip has a larger total number of pixels than are active for detecting the surrounding image, and the pixel area to be evaluated can be changed.
- the pixel area to be evaluated describes the area of the image receiver chip in which the active pixels lie. Thus, it is an evaluable or active pixel area.
- an active pixel region is to be understood as meaning, in particular, one pixel region or several pixel regions which are actively evaluated in the further course.
- movement of a tailgate is preferably to be understood as pivoting of the tailgate, in particular opening and / or closing of the tailgate.
- the optical detection system or elements of the optical detection system may be arranged on at least one outer side of the vehicle.
- the optical detection system or individual elements of the optical detection system are arranged on a tailgate.
- the optical detection system comprises a camera, which is arranged in particular on a tailgate of the vehicle.
- the camera can be a mono or stereo camera.
- the camera of a surroundview system would also be conceivable.
- the opening angle of the tailgate can be determined by means of an angle measuring sensor. It is advantageous if the detection system has at least one angle measuring sensor, in particular a magnetic field sensor, such as a magnetometer or a Hall sensor, or a potentiometer.
- a magnetic field sensor such as a magnetometer or a Hall sensor, or a potentiometer.
- the pixel number of the pixel area to be evaluated and / or the size of the pixel area to be evaluated remain constant during a shift or change in the pixel area to be evaluated.
- the resolution remains constant. In this way it is prevented that the active pixel area is simply expanded, which would require an increased computing power with the same resolution. Accordingly, the required computing power is advantageously kept constant in this case.
- the pixel area to be evaluated remains unchanged in the horizontal direction.
- the pixel area to be evaluated changes in the vertical direction with a change in the opening angle of the tailgate.
- the pixel area to be evaluated shifts upward on the receiver chip as the aperture angle increases.
- the pixel area to be evaluated shifts down on the receiver chip as the opening angle decreases.
- a compensation effect is achieved, so that the Detection area remains largely unchanged and does not move as usual when moving the tailgate with.
- the recorded environmental section can be provided to a driver assistance system and / or to a driver.
- the provision of the environmental section to the driver can take place via one or more display devices.
- the optical detection system has at least one display device.
- the display device displays the pixel area to be evaluated, in particular exclusively the pixel area to be evaluated.
- the pixel area to be evaluated is displayed as a full screen.
- a method for maintaining a detection range of an optical detection system.
- the method comprises the following steps:
- Detection range of the optical detection system remains largely the same.
- the method has the advantage that despite a change in the opening angle of the tailgate, which is in particular caused by a gift of the tailgate, the detection range of the detection system remains unchanged.
- the opening angle of the tailgate is determined by means of at least one angle measuring sensor.
- the angle measuring sensor may in particular be a magnetic field sensor or a potentiometer.
- the number of pixels and / or the size of the active pixel area to be evaluated remain constant when changing the active pixel area to be evaluated.
- a constant computing power is achieved by the constant number of pixels.
- the pixel area to be evaluated shifts in the vertical direction on the image receiver chip.
- the pixel area to be evaluated is shifted upward on the image receiver chip with the opening angle of the tailgate becoming larger. If the opening angle of the tailgate is reduced, the pixel area to be evaluated on the image receiver chip is shifted downwards in particular. It is advantageous if the pixel area to be evaluated remains unchanged in the horizontal direction.
- the detected environmental detail is preferably provided to a driver assistance system and / or to a driver.
- the provision of the environmental section to the driver can take place via one or more display devices.
- only the pixel area to be evaluated is displayed on the display device, ideally as a full screen.
- Figure la a vehicle with a prior art optical detection system
- Figure lb a vehicle with a prior art optical detection system
- Figure 2a a schematic representation of an embodiment of the invention
- Figure 2b a schematic representation of an embodiment of the invention
- Figure 3a an inventive image receiver chip with active
- Pixel area and a display device
- Figure 3b the image receiver chip of FIG.
- Figure 4 a schematic flow diagram of the method according to the invention.
- Figures la and lb show a vehicle 1 with a prior art optical detection system 2.
- the optical detection system 2 is arranged on a tailgate 8 of a vehicle 1 and has a detection area 3, which comprises an area behind the vehicle 1.
- the detection system 2 thus has a detection range 3, which is undesirably shifted upward. As a result, it is possible that the area immediately behind the vehicle 1 is no longer detected, as a result of which obstacles can not be detected and unwanted collisions can occur. Driving safety is thereby considerably reduced. This mentioned unwanted shift of the detection range is in particular to be largely compensated according to the invention.
- FIGs 2a and 2b show a schematic representation of an embodiment of the invention, wherein a vehicle 1 is shown with an optical detection system 2 according to the invention with a detection area 3 for receiving an environmental detail.
- the detection system 2 comprises an image receiver chip 4 having a maximum pixel number, composed of active 7 and non-active 5 pixels.
- the active pixels 7 form a pixel region 6 to be evaluated.
- the pixel region 6 to be evaluated represents only a partial region of the image receiver chip 4.
- the detection system 2 is arranged on a tailgate 8 of the vehicle 1. While the tailgate 8 is closed in FIG. 2a, a bulky item 9 is located in the vehicle 1 shown in FIG. 2b, so that the tailgate 8 can not be closed.
- the tailgate 8 is opened by an opening angle.
- the opening angle can be determined by means of an angle measuring sensor, in particular a magnetic field sensor or a potentiometer.
- the detection system 2 has at least one angle measuring sensor.
- the detection area 3 of the detection system 2 is the same, although in Figure 2a, the tailgate 8 is in a closed state and in Figure 2b in an open position, that is given away by an opening angle.
- the pixel area 6 to be evaluated can be changed on the image receiver chip 4 as a function of the opening angle. If the tailgate 8 is given away, for example, upwards, ie brought into an open position, then the pixel region 6 to be evaluated shifts upwards on the image receiver chip 4. If the tailgate 8 is closed, the pixel area 6 to be evaluated shifts down on the image receiver chip 4.
- FIG. 3a shows an inventive image receiver chip 4 with a maximum number of pixels, composed of active 7 and non-active 5 pixels, and a pixel region 6 to be evaluated.
- Pixel region 6 represents only a partial region of the image receiver chip 4 and has the active pixels 7, ie those pixels that are actively evaluated.
- the image receiver chip 4 shown in FIG. 3a belongs in particular to the detection system shown in FIG. 2a 2, whereby the detection range 3 shown in Figure 2a is detected.
- FIG. 3b shows the image receiver chip 4 according to the invention from FIG. 3a, in which case the active pixel region 6 has been changed.
- the image receiver chip 4 shown in FIG. 3a belongs in particular to the detection system 2 shown in FIG. 2b, whereby the detection region 3 shown in FIG. 2b is detected.
- the active pixel region 6 shown in FIG. 3b has been shifted upward.
- the size of the pixel region 6 to be evaluated and / or the number of active pixels 7 preferably correspond to those in FIG. 3a.
- the change in the active pixel region 6 ensures, in particular, that when the tailgate 8 is pivoted, the detection area 3 remains largely unchanged. Despite a movement of the tailgate 8, the same surrounding area is detected.
- a display device 10 is shown.
- the display device 10 displays only the pixel region 6 to be evaluated, preferably as a full image.
- FIG. 4 shows a schematic flow diagram of the method according to the invention.
- step S1 an environmental detail is detected.
- step S2 the opening angle of the tailgate 8 of the vehicle is determined.
- the opening angle can be determined by means of at least one angle measuring sensor, in particular a magnetic field sensor and / or a potentiometer.
- step S3 if necessary, the pixel area 6 to be evaluated on the image receptor chip 4 is determined as a function of Opening angle of the tailgate 8 changes, causing the detection area 3 does not change substantially, so it remains largely the same.
- the method thus ensures in particular that, despite a change in the opening angle of the tailgate 8, for example by giving away the tailgate 8, the detection range 3 of the detection system 2 does not change.
- the detection area 3 also shows the area behind the vehicle 1 as before the gift of the tailgate 8.
- the pixel region 6 to be evaluated is displaced upward on the image receiver chip 4 with an increasing opening angle.
- the number of active pixels 7 or the size of the pixel region 6 to be evaluated remain ideally the same or unchanged.
- the pixel region 6 to be evaluated experiences no change in the horizontal direction. He stays the same. It is advantageous if the recorded environmental section is provided to a driver on a display device 10.
- the pixel region 6 to be evaluated or the data of the pixel region 6 to be evaluated is displayed as a full image.
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Signal Processing (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018208136.0A DE102018208136A1 (de) | 2018-05-24 | 2018-05-24 | optisches Erfassungssystem |
| PCT/DE2019/200042 WO2019223839A1 (de) | 2018-05-24 | 2019-05-15 | Optisches erfassungssystem, angeordnet an einer heckklappe eines fahrzeugs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3803680A1 true EP3803680A1 (de) | 2021-04-14 |
Family
ID=66668648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19726900.4A Withdrawn EP3803680A1 (de) | 2018-05-24 | 2019-05-15 | Optisches erfassungssystem, angeordnet an einer heckklappe eines fahrzeugs |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20210097307A1 (de) |
| EP (1) | EP3803680A1 (de) |
| DE (1) | DE102018208136A1 (de) |
| WO (1) | WO2019223839A1 (de) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6967569B2 (en) * | 2003-10-27 | 2005-11-22 | Ford Global Technologies Llc | Active night vision with adaptive imaging |
| JP6178580B2 (ja) * | 2013-01-28 | 2017-08-09 | 富士通テン株式会社 | 物体検出装置、物体検出システム及び物体検出方法 |
| KR102175961B1 (ko) * | 2013-11-29 | 2020-11-09 | 현대모비스 주식회사 | 차량 후방 주차 가이드 장치 |
| DE102014018686A1 (de) * | 2014-12-18 | 2016-06-23 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Moduleinheit für ein Kraftfahrzeug |
| JPWO2017042998A1 (ja) * | 2015-09-07 | 2018-06-28 | パナソニックIpマネジメント株式会社 | 車載用ステレオカメラ装置、およびその補正方法 |
| US10053010B2 (en) * | 2015-12-04 | 2018-08-21 | Dura Operating, Llc | Dynamic perspective shifting system and method |
| US10621445B2 (en) * | 2016-06-29 | 2020-04-14 | Toyota Motor Engineering & Manufacturing North America, Inc. | Vehicle video systems including rear mounted video cameras |
-
2018
- 2018-05-24 DE DE102018208136.0A patent/DE102018208136A1/de active Pending
-
2019
- 2019-05-15 WO PCT/DE2019/200042 patent/WO2019223839A1/de not_active Ceased
- 2019-05-15 EP EP19726900.4A patent/EP3803680A1/de not_active Withdrawn
-
2020
- 2020-11-23 US US17/101,487 patent/US20210097307A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019223839A1 (de) | 2019-11-28 |
| DE102018208136A1 (de) | 2019-11-28 |
| US20210097307A1 (en) | 2021-04-01 |
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