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EP2758288A1 - Système de prise de vues pour un véhicule - Google Patents

Système de prise de vues pour un véhicule

Info

Publication number
EP2758288A1
EP2758288A1 EP12745485.8A EP12745485A EP2758288A1 EP 2758288 A1 EP2758288 A1 EP 2758288A1 EP 12745485 A EP12745485 A EP 12745485A EP 2758288 A1 EP2758288 A1 EP 2758288A1
Authority
EP
European Patent Office
Prior art keywords
image
capture device
region
image capture
vehicle
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Withdrawn
Application number
EP12745485.8A
Other languages
German (de)
English (en)
Inventor
Volker Roelke
Tobias Strauss
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2758288A1 publication Critical patent/EP2758288A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
    • B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
    • B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
    • B60S1/0822—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like characterized by the arrangement or type of detection means
    • B60S1/0833—Optical rain sensor
    • B60S1/0844—Optical rain sensor including a camera
    • 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
    • B60R1/081—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 avoiding blind spots, e.g. by using a side-by-side association of mirrors
    • 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
    • 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
    • B60R2300/10—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used
    • B60R2300/105—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used using multiple cameras
    • 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
    • B60R2300/202—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of display used displaying a blind spot scene on the vehicle part responsible for the blind spot
    • 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
    • B60R2300/304—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing using merged images, e.g. merging camera image with stored 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
    • B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
    • B60R2300/802—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 and displaying vehicle exterior blind spot views
    • B60R2300/8026—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 and displaying vehicle exterior blind spot views in addition to a rear-view mirror system
    • 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
    • B60R2300/804—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 lane monitoring
    • 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
    • B60R2300/8046—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 replacing a rear-view mirror system

Definitions

  • the present invention relates to an image sensing device for a vehicle.
  • an automatic control of the windshield wipers of a vehicle can take place. It can be a video-based
  • the present invention provides an image sensing device for a vehicle according to the main claim.
  • Advantageous embodiments emerge from the respective subclaims and the following description.
  • a camera with different image areas can be used.
  • an image area also called the secondary image in the following
  • the windshield of the vehicle can be sharply imaged.
  • another image area also called primary image below
  • the scene in front of the vehicle can be sharply displayed, in particular the roadway and additionally or alternatively preceding vehicles and traffic signs.
  • the sharply-imaged area of the windshield may be used to monitor and enhance the image of the scene in front of, beside or behind the vehicle and the functions based thereon, such.
  • night vision system lane detection or approach release, are used.
  • a blindness or free-vision monitoring makes sense and may be an active component of the function, eg. B. at a drive release.
  • the monitoring of possible blindness or general degradation of a video sensor and video signal due to interference in the optical path is relevant to meeting safety requirements and standards.
  • the sharply imaged region of the slice overlaps completely or partially with the footprint of the optical path which images the scene in front of the vehicle, then information determined from the sharply imaged region of the slice can be used to assist in evaluating the scene in front of the vehicle.
  • the footprint represents the slice surface of the slice with the optical path.
  • the present invention provides an image sensing device for a vehicle, comprising: a first image sensing device configured to image an environment of the vehicle located outside a pane of the vehicle through a first region of the pane in a first image; and a second image capture device configured to image a second region of the slice in a second image, wherein the first region and the second region in the footprint overlap at least partially on the slice.
  • the vehicle may be, for example, a passenger car or a lorry.
  • the image capture device may include a camera.
  • the image capture device can be used inter alia as a be used gensensor.
  • the image capture device can be arranged inside the vehicle, for example adjacent to a windshield of the vehicle.
  • the disk may be the windshield.
  • the disk may be another disk of the vehicle, for example a rear window or a side window.
  • Light incident from the surroundings of the vehicle through the first region of the pane can be detected by the first image capture device.
  • the first image capture device can have an image sensor.
  • the first environment may include an area in front of the vehicle in the direction of travel.
  • the roadway, a preceding vehicle or a traffic sign can be displayed by the first image.
  • An image information obtained by an evaluation of the first image can be used, for example, for a driver assistance system.
  • the second image capture device may have its own image sensor or use an image sensor used by the first image capture device.
  • the second image capture device
  • Image capture means may be configured to sharply image a surface of the slice in the second image.
  • the second area may partially or completely overlap with the first area. Thus, the second area may be encompassed by the first area.
  • the first image capture device can be designed to generate a plurality of first images in succession.
  • the second image capture device can be designed to produce a plurality of second images in succession.
  • the first image capture device can be designed to image the first region of the slice in the first image out of focus.
  • the second image capture device can be designed to sharply image the second region of the slice in the second image.
  • the first image capture device and the second image capture device can have different focal lengths. Thus, one and the same section of the surroundings of the vehicle can be sharply imaged by the first image and blurred by the second image.
  • the first image capture device and the second image capture device may comprise a common image sensor for generating the first image and the second image. It can the
  • the image acquisition device may comprise one or more optical elements, such as lenses or mirrors, for deflecting and / or refocusing a first beam path of the light to be detected by the first image capture device for imaging the surroundings or for deflecting and / or refocusing a second beam path of the second image capture device for imaging the second region of the disc to be detected light.
  • the optical element can be designed as a conversion lens.
  • the first or the second beam path for example, be deflected so that the first and the second beam path in the region of the image sensor parallel or nearly parallel. Also, both the first and the second beam path can be guided through the optical element.
  • the image capture device may include a mirror, a first lens, and a second lens.
  • the first beam path through the first lens to the first image capture device and the second beam path can be guided via the mirror, the second lens and the first lens to the second image acquisition device.
  • the second lens may be a conversion lens that may be located immediately in front of the first lens.
  • the image capture device may include an evaluation device.
  • the evaluation device can be designed to evaluate the first image and additionally or alternatively the second image.
  • the evaluation device can be understood to be an electrical device which processes sensor signals and outputs control signals or data signals in dependence thereon.
  • the device may have an interface, which may be formed in hardware and / or software.
  • the interfaces can be part of a so-called system ASIC, for example, which contains a wide variety of functions of the device.
  • the interfaces are their own integrated circuits or at least partially consist of discrete components.
  • the interfaces may be software modules that are present, for example, on a microcontroller in addition to other software modules.
  • the evaluation device may be designed to detect a visual impairment based on the second image with respect to the second region of the pane.
  • the evaluation device can be designed to evaluate the second image by means of a suitable image evaluation.
  • the evaluation device can also be designed to compare at least two second images acquired at different times with one another in order to detect the visual impairment
  • the evaluation device can be designed to detect a blindness of the image capture device based on the visual impairment. Additionally or alternatively, the evaluation device can be designed to detect impurity of the second region of the disk. The impurity may have been caused by damage or contamination or wetting of the disk.
  • the evaluation device can be designed to evaluate the first image taking into account the visual impairment. In this way, disturbing influences caused by the visual impairment can be detected in the first image and possibly even eliminated or at least reduced. In this way, a quality of the image information contained in the first image can be improved.
  • the evaluation device can be designed to determine a section of the first image assigned to the visual impairment.
  • the evaluation device can also be designed to evaluate the first image while suppressing image information of the assigned section.
  • the assigned portion may be omitted in the evaluation of the first image or reconstructed using the information about the nature, position and / or shape of the impairment and / or image information of adjacent portions.
  • the evaluation device can be designed to detect, based on the first image, a blindness of the image capture device and additionally or alternatively an impurity of the first region of the slice. A detection of blindness or impurity is important to
  • FIG. 1 is a schematic representation of a vehicle with an image capture device according to an embodiment of the present invention
  • Fig. 3 is a schematic representation of an image capture device according to an embodiment of the present invention.
  • FIG. 1 shows a schematic illustration of a vehicle 100 with an image capture device according to an embodiment of the present invention.
  • the image capture device is disposed inside the vehicle 100 behind a windshield 102 of the vehicle 100.
  • the image capture device is configured to capture a surrounding area of the vehicle 100 located outside of a pane of the vehicle 100 through a first area 104 of the windshield 102. Further, the image capture device is configured to detect a second region 106 of the windshield 102.
  • the image capture device has a first image capture device 1 14, which is designed to image the environment, for example an object 1 15 located in front of the vehicle 100, in a first image, the so-called primary image.
  • the first region 104 of the slice 102 is blurred.
  • the first image capture device 1 14 is designed to display the environment, so for example, the object 1 15, in the first image in focus. Furthermore, the image capture device has a second image capture device 1 16, which is designed to the second area 106 of the windshield 102 in a second image, the so-called secondary image, sharply represent.
  • the image capture device has a lens 120 that is configured to deflect a beam path of the second image capture device 16, so that the second image capture device 16 can image the second region 106 of the windscreen 102.
  • the first image capture device 14 is designed to generate a generated first image, for example in the form of a digital image, to an evaluation device
  • the second image capture device 1 16 is designed to output a generated second image, for example in the form of a further digital image, to the evaluation device 122.
  • the evaluation device 122 is designed to evaluate both the first image and the second image, for example by means of an object recognition or pattern recognition.
  • the evaluation device 122 may be designed to detect raindrops on the windshield 102 based on the images or to recognize objects 11 in the surroundings of the vehicle 100 by means of an object recognition.
  • the evaluation device 122 can be embodied to combine information determined from the first and the second image or, for example, to use information determined from the second image to evaluate the second image.
  • the evaluation device 122 is designed to output evaluated image information relating to the first image, the second image or both images to a driving assistance system 124, which execute a driving assistance task based on the evaluated image information.
  • the driver assistance system 124 may include rain sensor, lane keeping, or distance functionality based on the evaluated image information.
  • FIG. 2 shows an image of an environment of a vehicle according to an embodiment of the present invention.
  • the image may, for example, be the second image captured by the second image capture device 16 shown in FIG.
  • the environment is in focus.
  • impurities 230 such as raindrops, however, are out of focus.
  • To evaluate the image can, as described for example with reference to FIG. 1, first another image are evaluated, in which the disc and thus the impurities 230 are shown in focus. From the further image, for example, a position and size of the contaminant 230 can be determined.
  • the information regarding the contaminants 230 obtained from the further image can subsequently be taken into account in the evaluation of the image shown in FIG. 2. For example, portions of the image shown in FIG. 2 in which contaminants are present may be suppressed in the evaluation or reconstructed based on adjacent image information.
  • FIG. 3 shows a schematic representation of an image capture device according to an exemplary embodiment of the present invention.
  • the image capture device includes an imager 314, a primary image lens 330, a refocusing attachment lens 332, and a mirror 120.
  • the image capture device is disposed adjacent to a windshield 102. Shown is a sight cone 334 of the primary region. Light encompassed by the sight cone 334 penetrates the windshield 102 and is imaged by the lens 330 onto a first region of the imager 314. Further, a sight cone 336 of the secondary region is shown. The light encompassed by the sight cone 336 will extend from an area of the windshield 102 that is within the area of the windshield 102 encompassed by the sight cone 334 and thus overlap 338 of the footprints of the primary area and the windshield
  • the conversion lens 332 is disposed adjacent to the lens 330. Light falling through the conversion lens 332 is then imaged by the lens 330 onto a second region of the imager 314.
  • the conversion lens 332 the light encompassed by the viewing cone 336 of the secondary region can be refocused such that the region of the windscreen 102 encompassed by the sight cone 336 can be sharply imaged by the imager 314.
  • the region of the windshield 102 encompassed by the sight cone 334 of the primary region is imaged by the imager 314.
  • a primary region image capturing device and a secondary region image capturing device are combined in one imager 314.
  • the second portion of the imager 314 associated with the secondary portion is located adjacent to the first portion of the imager associated with the primary portion.
  • the imager 314 thus has two non-overlapping regions for the primary region and the secondary region.
  • the sharply imaged area of the windshield 102 in the secondary image is selected by suitable optical elements 106 to at least partially coincide with the cut area of the windshield 102 and the sight cone of the primary image.
  • suitable optical elements 106 to at least partially coincide with the cut area of the windshield 102 and the sight cone of the primary image.
  • the monitoring can z.
  • a blindness or even partial disturbance by pollution water, snow or ice are detected.
  • the information can be used to improve functions that are also based on the primary image.
  • Such functions are generally described in FIG. 1 as driver assistance system 124.
  • a blindness detection in the primary image a free-vision detection z.
  • a suppression of disturbed areas and image reconstruction for other image processing functions but also for displaying systems such as a night vision system.
  • a structure of an optical system of an image capture device having at least two different focal lengths and at least two sensitive areas on at least one imager is thereby achieved in that the cut surfaces of the viewing cones completely or partially overlap with the windshield 102.
  • the information acquired by the at least one imager or image sensor can be used to carry out at least one of the tasks described below, for example a driver assistance system 124.
  • a monitoring and / or localization of a disk contamination, a rainfall or an amount of snow can be performed.
  • Monitoring and / or location of the disc contamination may be used, for example, to activate the washer, to detect blindness, to detect overtension, to suppress hidden, disturbed or blurred areas for further image-based functions or to reconstruct hidden, disturbed or blurred areas for further image-based functions ,
  • Monitoring and / or location of rainfall or amount of snow may be used for blindness detection, detection of hunts, suppression of hidden, disturbed or blurred areas for other image-based functions, or for image reconstruction of covert, disturbed or blurred areas for other image-based functions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Studio Devices (AREA)
  • Traffic Control Systems (AREA)

Abstract

L'invention concerne un système de prise de vues destiné à un véhicule (100), comprenant : un premier dispositif de prise de vues (114) qui est réalisé pour reproduire dans une première reproduction un environnement (115) du véhicule situé à l'extérieur d'une vitre (102) du véhicule (100) à travers une première zone (104) de la vitre ; et un deuxième dispositif de prise de vues (116) qui est réalisé pour reproduire dans une deuxième reproduction une deuxième zone (106) de la vitre, la première et la deuxième zone se chevauchant au moins en partie.
EP12745485.8A 2011-09-22 2012-08-06 Système de prise de vues pour un véhicule Withdrawn EP2758288A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011083232.7A DE102011083232B4 (de) 2011-09-22 2011-09-22 Bilderfassungsvorrichtung für ein Fahrzeug
PCT/EP2012/065334 WO2013041292A1 (fr) 2011-09-22 2012-08-06 Système de prise de vues pour un véhicule

Publications (1)

Publication Number Publication Date
EP2758288A1 true EP2758288A1 (fr) 2014-07-30

Family

ID=46640043

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12745485.8A Withdrawn EP2758288A1 (fr) 2011-09-22 2012-08-06 Système de prise de vues pour un véhicule

Country Status (5)

Country Link
US (1) US20150035982A1 (fr)
EP (1) EP2758288A1 (fr)
CN (1) CN103826938A (fr)
DE (1) DE102011083232B4 (fr)
WO (1) WO2013041292A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102384175B1 (ko) * 2015-07-29 2022-04-08 주식회사 만도모빌리티솔루션즈 차량의 카메라 장치
CN105599726B (zh) * 2016-02-02 2018-09-04 北京小米移动软件有限公司 雨刮器控制方法及装置
JP6368958B2 (ja) * 2016-05-12 2018-08-08 本田技研工業株式会社 車両制御システム、車両制御方法、および車両制御プログラム
US20180075308A1 (en) * 2016-09-14 2018-03-15 GM Global Technology Operations LLC Methods And Systems For Adaptive On-Demand Infrared Lane Detection

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Publication number Priority date Publication date Assignee Title
DE102004015040A1 (de) * 2004-03-26 2005-10-13 Robert Bosch Gmbh Kamera in einem Kraftfahrzeug
DE102005020138B4 (de) * 2005-04-29 2007-03-08 Siemens Ag Optisches Modul mit integrierter Lichtquelle
EP1790541A2 (fr) * 2005-11-23 2007-05-30 MobilEye Technologies, Ltd. Procédés et systèmes pour détecter des obstructions dans le champ de vision d'une caméra
DE502007004154D1 (de) * 2007-11-21 2010-07-29 Delphi Tech Inc Optisches Modul
DE102008044003A1 (de) * 2008-11-24 2010-05-27 Robert Bosch Gmbh Kameramodul mit Mehrfachfunktion
DE102008062977A1 (de) * 2008-12-23 2010-06-24 Adc Automotive Distance Control Systems Gmbh Optisches Modul mit multifokaler Optik zur Erfassung von Fern- und Nahbereich in einem Bild
DE102011007703A1 (de) 2011-04-19 2012-10-25 Hilti Aktiengesellschaft Eintreibgerät

Non-Patent Citations (1)

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Title
See references of WO2013041292A1 *

Also Published As

Publication number Publication date
WO2013041292A1 (fr) 2013-03-28
DE102011083232B4 (de) 2021-02-11
US20150035982A1 (en) 2015-02-05
DE102011083232A1 (de) 2013-03-28
CN103826938A (zh) 2014-05-28

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