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WO2005028256A2 - Visualisation of the dead angle behind an a-pillar of a vehicle - Google Patents

Visualisation of the dead angle behind an a-pillar of a vehicle Download PDF

Info

Publication number
WO2005028256A2
WO2005028256A2 PCT/EP2004/008974 EP2004008974W WO2005028256A2 WO 2005028256 A2 WO2005028256 A2 WO 2005028256A2 EP 2004008974 W EP2004008974 W EP 2004008974W WO 2005028256 A2 WO2005028256 A2 WO 2005028256A2
Authority
WO
WIPO (PCT)
Prior art keywords
camera
pillar
visualization system
vehicle
driver
Prior art date
Application number
PCT/EP2004/008974
Other languages
German (de)
French (fr)
Other versions
WO2005028256A3 (en
Inventor
Jens Desens
Heike SCHÖNERSTEDT
Original Assignee
Daimlerchrysler Ag
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 Daimlerchrysler Ag filed Critical Daimlerchrysler Ag
Publication of WO2005028256A2 publication Critical patent/WO2005028256A2/en
Publication of WO2005028256A3 publication Critical patent/WO2005028256A3/en

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
    • B60R1/24—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 in front 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
    • B60R1/10—Front-view mirror arrangements; Periscope arrangements, i.e. optical devices using combinations of mirrors, lenses, prisms or the like ; Other mirror arrangements giving a view from above or under 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
    • B60R2300/106—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used using night vision 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
    • B60R2300/20—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of display used
    • B60R2300/207—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of display used using multi-purpose displays, e.g. camera image and navigation or video on same display
    • 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
    • B60R2300/80—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
    • 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
    • B60R2300/8053—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 bad weather conditions or night vision

Definitions

  • the invention relates to a method for visualizing an area (blind spot) which is covered by an A pillar of a vehicle and is not visible to a driver.
  • a vehicle has columns on both sides in the front area of the vehicle between the windshield and the side windows. These pillars are commonly referred to as A pillars.
  • the thickness of such A-pillars has increased more and more in the past. This is necessary on the one hand to achieve a high level of rigidity for passive safety and on the other hand to accommodate a wide variety of elements. For example, cables are led through the A-pillars and anchorings of so-called window bags are provided in the A-pillars.
  • a video system is known from US Pat. No. 6,150,930 with which the apron of a vehicle extends beyond the area illuminated by the headlights in poor visibility conditions can be recorded and displayed.
  • a camera can be arranged on the hood of the vehicle.
  • a socket-shaped signal device in the dashboard of motor vehicles is known.
  • the traffic light-shaped signal device in the dashboard shows traffic-regulating signals, in particular from traffic light systems which are arranged outside the vehicle, in the interior of the motor vehicle.
  • the object of the present invention is to provide a method and a device with which the active safety of a vehicle can be increased.
  • This problem is solved by a method of the type mentioned at the outset, in which the area covered by the A-pillar is detected and is displayed to the driver completely or at least partially.
  • the driver Because the driver is shown the hidden area completely or at least partially, he no longer has to dislocate in order to be able to see this area. When the entire area is recorded and displayed, the driver can recognize and react to all stationary or moving objects that are located in the area covered by the A-pillar. If the hidden area is only partially detected and displayed, the driver can still react to stationary and moving objects that he would otherwise not be able to see.
  • the security of perception is increased by the method according to the invention. Therefore, a significant reduction in accidents due to right-of-way violations, especially during turning maneuvers and right-to-left intersections, can be expected. Another advantage is that the driver of a vehicle is the first vehicle a red traffic light is waiting, the traffic light is displayed, so that no contortions on the part of the driver are necessary.
  • the surroundings are recorded by a camera and the recorded images are processed, in particular for the detection of objects.
  • This measure allows objects in the area covered by the A pillar to be recognized and the driver to be alerted to moving objects in the hidden area behind the A pillar.
  • the driver is given a warning signal when a relevant object is recognized in the blind spot of the A-pillar.
  • the recognized objects are identified. This can be done in particular by highlighting the outlines of the recognized objects in the display unit.
  • the object is also achieved according to the invention by a visualization system of a vehicle with a camera and a display device for the captured images, the camera viewing angle at least partially capturing the area covered by an A pillar of a vehicle and not visible to a driver.
  • a visualization system of a vehicle with a camera and a display device for the captured images, the camera viewing angle at least partially capturing the area covered by an A pillar of a vehicle and not visible to a driver.
  • an image processing unit for identifying objects, in particular of moving objects can warn the driver of the vehicle of possible collisions and objects in the area covered by the A-pillar.
  • means for highlighting objects are provided on the display unit. This measure directs the driver's attention to the moving objects. This ensures that the driver recognizes the objects in good time and can react to them in good time.
  • a navigation screen is provided as the display unit, a display unit that is already present in the vehicle can be used to visualize the area covered by the A-pillar. This means that no further components are required for the display unit.
  • the display unit is designed as a graphic display in a combination instrument.
  • a combination instrument is an instrument panel in the driver's field of vision, in which the speedometer, the rev counter and other displays or indicator lights are arranged.
  • the arrangement of the display unit in the instrument cluster has the advantage that the driver does not have to concentrate on different display units or instruments. It is sufficient if he looks in the direction of travel.
  • the display unit is designed as a separate screen.
  • a separate screen can be arranged at different points in the vehicle interior.
  • such a screen can be arranged that the screen automatically falls in the driver's line of sight when he makes sure that a vehicle is coming from the right or left.
  • the screen can be designed, for example, as an LCD screen or as a TFT screen.
  • the camera is designed as a digital video camera.
  • other cameras such as analog video cameras, are also conceivable.
  • the camera is part of a night vision system, wherein the middle camera viewing angle can be used for the night vision function and the outer camera viewing angles cover the hidden area.
  • a camera system already present in the vehicle can be designed in a simple manner in such a way that the area covered by the A-pillars is also detected.
  • a camera system looking ahead such as a night vision system
  • this can be designed such that the central region of the camera viewing angle is used for the night vision function, while the outer regions are used for displaying the blind spots behind the A-pillars are used.
  • the camera must have more pixels than a pure night vision system.
  • there are only small additional costs for this since the increase in the resolution of a digital image sensor can be achieved with relatively little cost, so that the larger viewing angle of the camera associated with the higher resolution also covers the blind spots behind the A-pillars.
  • the camera on the A-pillar in particular one camera each mera is attached to both A-pillars.
  • Such an arrangement enables the entire area covered by the A-pillar (s) to be detected, which the driver of the vehicle cannot see.
  • the camera is integrated in the A-pillar. This means a particularly space-saving arrangement of the camera.
  • the display unit is attached to the A-pillar. This has the advantage that when the driver looks at the A-pillar on the display unit, he sees what is covering the A-pillar.
  • the display unit is integrated in the A-pillar.
  • cameras with integrated displays can be used, which are integrated directly into the A-pillar.
  • the lens looks outwards from the A-pillar and the display unit inside.
  • a type of magnifying glass is integrated into the A-pillar and the concealed area detected by the magnifying glass can be seen by the driver from the interior of the vehicle.
  • FIG. 1 shows a schematic representation of a visualization system
  • Fig. 2 is a schematic plan view of the front part of a vehicle.
  • Fig. 3 is a schematic representation of a camera integrated in the A-pillar.
  • a visualization system 1 which comprises a camera 2 which is connected to a display device 4 via a data line 3.
  • the camera 2 is' arranged or configured such that it detects the region that can not ground viewed by a driver of the vehicle because of the A-pillar of the vehicle. This area is often referred to as a "blind spot". Because this area is captured by the camera 2 and the image signals are transmitted to the display device 4 via the data line 3, the driver can also easily and easily by means of the Detect the A-pillar hidden area It can be provided that the display device 4 particularly identifies and highlights the objects detected by the camera 2, so that the driver is visually warned of possible dangers or collisions Objects, an image processing unit (not shown) can be provided.
  • a camera 11 is arranged behind the windshield of the vehicle 10 and has a camera viewing angle 12.
  • the camera 11 can be designed as a night vision camera that has a viewing angle 13 for the Identifies the apron of the vehicle 10 in poor visibility conditions, especially in the dark.
  • the camera viewing angle 12 also includes side areas 14 which at least partially cover a blind spot 15.
  • the blind spot 15 determines the area 17 that cannot be seen by a driver 16.
  • the non-visible area 17 arises because the A-pillar 18 is arranged in the driver's 16 viewing direction and prevents an undisturbed view of the area 17.
  • the A-pillar 19 has an analogous approach.
  • the camera 11 is designed in such a way that it has more pixels than would be necessary for the night vision function. It therefore has an expanded camera viewing angle 12.
  • FIG. 3 shows an A-pillar 20 in section, which represents a link between the windshield 21 and the side window 22.
  • a camera 23 with an integrated display device 24 is arranged in the A-pillar 20.
  • the camera viewing angle 26, which essentially corresponds to the area 27 covered by the A-pillar 20, is captured by the lens 25. If the driver 16 looks at the A-pillar 20, the area 27 behind the A-pillar 20 is indicated to him in this viewing direction by the display device 24. As a result of this measure, there are practically no dead areas that the driver 16 cannot see. The risk of accidents is therefore significantly reduced.
  • the invention relates to a method and a device for visualizing the area (27) which is covered by an A pillar and is not readily visible to a driver, in that the area (27) is detected and the driver (16) is shown on a display unit (24). is shown. This increases active safety.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Traffic Control Systems (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Body Structure For Vehicles (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

The invention relates to a method and a device for the visualisation of the region (27) hidden by an A-pillar, not visible to the driver without assistance, whereby the region (27) is recorded and displayed to the driver (16) on a display unit (24). Active safety is thus improved.

Description

Visualisierung des toten Winkels hinter einer A-Säule eines Fahrzeugs Visualization of the blind spot behind an A pillar of a vehicle
Die Erfindung betrifft ein Verfahren zur Visualisierung eines von einer A-Säule eines Fahrzeugs verdeckten und für einen Fahrer nicht einsehbaren Bereichs (toter Winkel) .The invention relates to a method for visualizing an area (blind spot) which is covered by an A pillar of a vehicle and is not visible to a driver.
Ein Fahrzeug umfasst beidseitig im vorderen Bereich des Fahrzeugs Säulen zwischen der Windschutzscheibe und den Seitenscheiben. Diese Säulen werden im Allgemeinen als A-Säulen bezeichnet. Die Dicke solcher A-Säulen hat in der Vergangenheit immer mehr zugenommen. Dies ist einerseits zur Erreichung einer hohen Steifigkeit für die passive Sicherheit und andererseits für die Unterbringung verschiedenster Elemente erforderlich. Beispielsweise werden Kabel durch die A-Säulen geführt und sind Verankerungen von so genannten Window-Bags in den A-Säulen vorgesehen. Dies bedeutet jedoch, dass ein immer größerer Bereich des Sichtfelds des Fahrers durch die A- Säulen verdeckt wird, so dass andere Verkehrsteilnehmer durch den Fahrer erst verspätet oder nur eingeschränkt wahrgenommen werden können. Dieser Effekt ist bei Van-artigen Fahrzeugen besonders stark ausgeprägt und mindert die aktive Sicherheit.A vehicle has columns on both sides in the front area of the vehicle between the windshield and the side windows. These pillars are commonly referred to as A pillars. The thickness of such A-pillars has increased more and more in the past. This is necessary on the one hand to achieve a high level of rigidity for passive safety and on the other hand to accommodate a wide variety of elements. For example, cables are led through the A-pillars and anchorings of so-called window bags are provided in the A-pillars. However, this means that an ever larger area of the driver's field of vision is covered by the A-pillars, so that other road users can only be perceived by the driver late or only to a limited extent. This effect is particularly pronounced in van-like vehicles and reduces active safety.
Aus der US 6,150,930 ist ein Videosystem bekannt, mit dem das Vorfeld eines Fahrzeugs bei schlechten Sichtverhältnissen ü- ber den durch die Scheinwerfer ausgeleuchteten Bereich hinaus erfasst und angezeigt werden kann. Zu diesem Zweck kann eine Kamera auf der Motorhaube des Fahrzeugs angeordnet sein.A video system is known from US Pat. No. 6,150,930 with which the apron of a vehicle extends beyond the area illuminated by the headlights in poor visibility conditions can be recorded and displayed. For this purpose, a camera can be arranged on the hood of the vehicle.
Aus der DE 299 00 0121 Ul ist ein aπvpelförmiges Signalgerät im Armaturenbrett von Kraftfahrzeugen bekannt. Das ampelför- mige Signalgerät im Armaturenbrett zeigt verkehrsregelnde Signale, insbesondere von Ampelanlagen, die außerhalb des Fahrzeugs angeordnet sind, im Inneren des Kraftfahrzeugs an.From DE 299 00 0121 U1 a socket-shaped signal device in the dashboard of motor vehicles is known. The traffic light-shaped signal device in the dashboard shows traffic-regulating signals, in particular from traffic light systems which are arranged outside the vehicle, in the interior of the motor vehicle.
Aufgabe der vorliegenden Erfindung ist es, ein Verfahren und eine Vorrichtung zu schaffen, mit dem die aktive Sicherheit eines Fahrzeugs erhöht werden kann.The object of the present invention is to provide a method and a device with which the active safety of a vehicle can be increased.
Gelöst wird diese Aufgabe durch ein Verfahren der eingangs genannten Art, bei dem der durch die A-Säule verdeckte Bereich erfasst wird, und dem Fahrer vollständig oder zumindest teilweise angezeigt wird.This problem is solved by a method of the type mentioned at the outset, in which the area covered by the A-pillar is detected and is displayed to the driver completely or at least partially.
Dadurch, dass dem Fahrer der verdeckte Bereich vollständig oder zumindest teilweise angezeigt wird, muss er sich nicht mehr verrenken, um diesen Bereich einsehen zu können. Wenn der gesamte Bereich erfasst und angezeigt wird, kann der Fahrer sämtliche stehende oder sich bewegende Objekte, die sich im durch die A-Säule verdeckten Bereich befinden, erkennen und darauf reagieren. Wenn der verdeckte Bereich nur teilweise erfasst und angezeigt wird, kann der Fahrer dennoch auf stehende und bewegte Objekte reagieren, die er sonst nicht sehen würde. Durch das erfindungsgemäße Verfahren wird die WahrnehmungsSicherheit gesteigert. Daher ist eine signifikante Verringerung von Unfällen infolge von Vorfahrtsverletzungen, insbesondere bei Abbiegemanövern und rechts-vor-links- Kreuzungen zu erwarten. Ein weiterer Vorteil liegt darin, dass dem Fahrer eines Fahrzeugs, das als erstes Fahrzeug an einer roten Ampel wartet, die Ampel angezeigt wird, so dass keine Verrenkungen seitens des Fahrers mehr nötig sind.Because the driver is shown the hidden area completely or at least partially, he no longer has to dislocate in order to be able to see this area. When the entire area is recorded and displayed, the driver can recognize and react to all stationary or moving objects that are located in the area covered by the A-pillar. If the hidden area is only partially detected and displayed, the driver can still react to stationary and moving objects that he would otherwise not be able to see. The security of perception is increased by the method according to the invention. Therefore, a significant reduction in accidents due to right-of-way violations, especially during turning maneuvers and right-to-left intersections, can be expected. Another advantage is that the driver of a vehicle is the first vehicle a red traffic light is waiting, the traffic light is displayed, so that no contortions on the part of the driver are necessary.
Bei einer besonders bevorzugten Verfahrensvariante wird die Umgebung durch eine Kamera aufgenommen und werden die aufgenommenen Bilder, insbesondere zur Erkennung von Objekten, verarbeitet. Durch diese Maßnahme können Objekte im durch die A-Säule verdeckten Bereich erkannt werden und kann der Fahrer auf bewegte Objekte im nicht einsehbaren Bereich hinter der A-Säule aufmerksam gemacht werden. Insbesondere kann vorgesehen sein, dass dem Fahrer ein Warnsignal gegeben wird, wenn ein relevantes Objekt im toten Winkel der A-Säule erkannt wird.In a particularly preferred method variant, the surroundings are recorded by a camera and the recorded images are processed, in particular for the detection of objects. This measure allows objects in the area covered by the A pillar to be recognized and the driver to be alerted to moving objects in the hidden area behind the A pillar. In particular, it can be provided that the driver is given a warning signal when a relevant object is recognized in the blind spot of the A-pillar.
Bei einer bevorzugten Weiterbildung des Verfahrens kann vorgesehen sein, dass die erkannten Objekte gekennzeichnet werden. Dies kann insbesondere dadurch geschehen, dass die Umrisse der erkannten Objekte in der Anzeigeeinheit hervorgehoben werden.In a preferred development of the method it can be provided that the recognized objects are identified. This can be done in particular by highlighting the outlines of the recognized objects in the display unit.
Die Aufgabe wird erfindungsgemäß außerdem gelöst durch ein Visualisierungssystem eines Fahrzeugs mit einer Kamera und einer Anzeigeeinrichtung der aufgenommenen Bilder, wobei der Kamerablickwinkel den von einer A-Säule eines Fahrzeugs verdeckten und von einem Fahrzeugführer nicht einsehbaren Bereich zumindest teilweise erfasst. Mit einem solchen Visualisierungssystem gibt es keine Bereiche mehr, die der Fahrer nicht oder nur durch Verrenkung einsehen kann. Dies ermöglicht dem Fahrer, den gesamten vorderen und seitlichen Bereich des Fahrzeugs zu erfassen und beim Fahren des Fahrzeugs zu berücksichtigen.The object is also achieved according to the invention by a visualization system of a vehicle with a camera and a display device for the captured images, the camera viewing angle at least partially capturing the area covered by an A pillar of a vehicle and not visible to a driver. With such a visualization system, there are no longer any areas that the driver cannot see or can only see through contortion. This enables the driver to grasp the entire front and side area of the vehicle and to take this into account when driving the vehicle.
Bei einer besonders bevorzugten Ausführungsform kann eine Bildverarbeitungseinheit zur Identifizierung von Objekten, insbesondere von bewegten Objekten, vorgesehen sein. Ein Visualisierungssystem mit einer solchen Bildverarbeitungseinheit kann den Fahrer des Fahrzeugs vor möglichen Kollisionen und Objekten im von der A-Säule verdeckten Bereich warnen.In a particularly preferred embodiment, an image processing unit for identifying objects, in particular of moving objects. A visualization system with such an image processing unit can warn the driver of the vehicle of possible collisions and objects in the area covered by the A-pillar.
Besonders bevorzugt ist es, wenn Mittel zur Hervorhebung von Objekten auf der Anzeigeeinheit vorgesehen sind. Durch diese Maßnahme wird die Aufmerksamkeit des Fahrers auf die bewegten Objekte gelenkt. Dadurch wird sicher gestellt, dass der Fahrer die Objekte rechtzeitig erkennt und rechtzeitig darauf reagieren kann.It is particularly preferred if means for highlighting objects are provided on the display unit. This measure directs the driver's attention to the moving objects. This ensures that the driver recognizes the objects in good time and can react to them in good time.
Wenn als Anzeigeeinheit ein Navigationsbildschirm vorgesehen ist, kann eine ohnehin im Fahrzeug vorhandene Anzeigeeinheit zur Visualisierung des durch die A-Säule verdeckten Bereichs verwendet werden. Somit sind keine weiteren Bauteile für die Anzeigeeinheit notwendig.If a navigation screen is provided as the display unit, a display unit that is already present in the vehicle can be used to visualize the area covered by the A-pillar. This means that no further components are required for the display unit.
Alternativ kann vorgesehen sein, dass die Anzeigeeinheit als graphisches Display in einem KombiInstrument ausgebildet ist. Ein Kombiinstrument ist dabei eine Instrumententafel im Sichtbereich des Fahrers, in dem der Tachometer, der Drehzahlmesser und weitere Anzeigen beziehungsweise Kontroll- leuchten angeordnet sind. Die Anordnung der Anzeigeeinheit im Kombiinstrument hat den Vorteil, dass der Fahrer sich nicht auf unterschiedliche Anzeigeeinheiten beziehungsweise Instrumente konzentrieren muss. Es genügt, wenn er den Blick in Fahrtrichtung richtet .Alternatively, it can be provided that the display unit is designed as a graphic display in a combination instrument. A combination instrument is an instrument panel in the driver's field of vision, in which the speedometer, the rev counter and other displays or indicator lights are arranged. The arrangement of the display unit in the instrument cluster has the advantage that the driver does not have to concentrate on different display units or instruments. It is sufficient if he looks in the direction of travel.
Bei einer weiteren alternativen Ausführungsform kann vorgesehen sein, dass die Anzeigeeinheit als separater Bildschirm ausgebildet ist . Ein solcher separater Bildschirm kann an unterschiedlichen Stellen im Fahrzeuginnenraum angeordnet sein. Insbesondere kann ein solcher Bildschirm so angeordnet sein, dass der Bildschirm automatisch in die Blickrichtung des Fahrers fällt, wenn dieser sich vergewissert, ob ein Fahrzeug von rechts oder links kommt. Der Bildschirm kann beispielsweise als LCD-Bildschirm oder als TFT-Bildschirm ausgebildet sein.In a further alternative embodiment it can be provided that the display unit is designed as a separate screen. Such a separate screen can be arranged at different points in the vehicle interior. In particular, such a screen can be arranged that the screen automatically falls in the driver's line of sight when he makes sure that a vehicle is coming from the right or left. The screen can be designed, for example, as an LCD screen or as a TFT screen.
Besonders vorteilhaft ist es, wenn die Kamera als digitale Videokamera ausgebildet ist. Grundsätzlich sind jedoch auch andere Kameras, wie zum Beispiel analoge Videokameras denkbar.It is particularly advantageous if the camera is designed as a digital video camera. In principle, however, other cameras, such as analog video cameras, are also conceivable.
Bei einer besonders bevorzugten Ausführungsform ist die Kamera Bestandteil eines Nachtsichtsystems, wobei der mittlere Kamerablickwinkel für die Nachtsichtfunktion einsetzbar ist und die äußeren Kamerablickwinkel den verdeckten Bereich abdecken. Durch diese Maßnahme kann ein ohnehin im Fahrzeug vorhandenes Kamerasystem auf einfache Art und Weise so ausgebildet werden, dass auch der von den A-Säulen verdeckte Bereich erfasst wird. Insbesondere, wenn ein nach vorne schauendes Kamerasystem, wie zum Beispiel ein Nachtsichtsystem, ohnehin im Fahrzeug vorhanden ist, kann dieses so ausgebildet sein, dass der mittlere Bereich des Kamerablickwinkels für die Nachtsichtfunktion verwendet wird, während die äußeren Bereiche für die Darstellung der toten Winkel hinter den A- Säulen benutzt werden. Zu diesem Zweck muss die Kamera mehr Bildpunkte aufweisen, als ein reines NachtsiehtSystem. Dafür entstehen jedoch nur geringe Zusatzkosten, da die Erhöhung der Auflösung eines digitalen Bildaufnehmers mit relativ wenig Kosten erreichbar ist, so dass der mit der größeren Auflösung verbundene größere Blickwinkel der Kamera auch die toten Winkel hinter den A-Säulen abdeckt.In a particularly preferred embodiment, the camera is part of a night vision system, wherein the middle camera viewing angle can be used for the night vision function and the outer camera viewing angles cover the hidden area. As a result of this measure, a camera system already present in the vehicle can be designed in a simple manner in such a way that the area covered by the A-pillars is also detected. In particular, if a camera system looking ahead, such as a night vision system, is present in the vehicle anyway, this can be designed such that the central region of the camera viewing angle is used for the night vision function, while the outer regions are used for displaying the blind spots behind the A-pillars are used. For this purpose, the camera must have more pixels than a pure night vision system. However, there are only small additional costs for this, since the increase in the resolution of a digital image sensor can be achieved with relatively little cost, so that the larger viewing angle of the camera associated with the higher resolution also covers the blind spots behind the A-pillars.
Bei einer bevorzugten Ausführungsform kann vorgesehen sein, dass die Kamera an der A-Säule, insbesondere jeweils eine Ka- mera an beiden A-Säulen angebracht ist. Eine solche Anordnung ermöglicht das Erfassen des gesamten durch die A-Säule (n) verdeckten Bereichs, den der Fahrer des Fahrzeugs nicht einsehen kann.In a preferred embodiment it can be provided that the camera on the A-pillar, in particular one camera each mera is attached to both A-pillars. Such an arrangement enables the entire area covered by the A-pillar (s) to be detected, which the driver of the vehicle cannot see.
Bei einer besonders bevorzugten Weiterbildung kann vorgesehen sein, dass die Kamera in die A-Säule integriert ist. Dies bedeutet eine besonders Platz sparende Anordnung der Kamera.In a particularly preferred development it can be provided that the camera is integrated in the A-pillar. This means a particularly space-saving arrangement of the camera.
Bei einer bevorzugter: Weiterbildung ist die Anzeigeeinheit an der A-Säule angebracht. Dies hat den Vorteil, dass der Fahrer, wenn der auf die A-Säule blickt auf der Anzeigeeinheit das sieht, was die A-Säule verdeckt.In a preferred: development, the display unit is attached to the A-pillar. This has the advantage that when the driver looks at the A-pillar on the display unit, he sees what is covering the A-pillar.
Besonders bevorzugt ist es, wenn die Anzeigeeinheit in die A- Säule integriert ist. Insbesondere können Kameras mit integrierten Displays verwendet werden, die direkt in die A-Säule integriert werden. Nach außen schaut das Objektiv aus der A- Säule heraus, nach innen die Anzeigeeinheit. In einer einfachsten Ausführungsform kann vorgesehen sein, dass eine Art Lupe in die A-Säule integriert wird und der durch die Lupe erfasste verdeckte Bereich vom Fahrer vom Innenraum des Fahrzeugs aus gesehen werden kann.It is particularly preferred if the display unit is integrated in the A-pillar. In particular, cameras with integrated displays can be used, which are integrated directly into the A-pillar. The lens looks outwards from the A-pillar and the display unit inside. In a simplest embodiment it can be provided that a type of magnifying glass is integrated into the A-pillar and the concealed area detected by the magnifying glass can be seen by the driver from the interior of the vehicle.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen der Erfindung, anhand der Figuren der Zeichnung, die erfindungs- wesentliche Einzelheiten zeigen, und aus den Ansprüchen. Die einzelnen Merkmale können je einzeln für sich oder zu mehreren in beliebiger Kombination bei einer Variante der Erfindung verwirklicht sein.Further features and advantages of the invention result from the following description of exemplary embodiments of the invention, with reference to the figures of the drawing, which show details essential to the invention, and from the claims. The individual features can each be implemented individually or in groups in any combination in a variant of the invention.
Ausführungsbeispiele der Erfindung werden anhand einer Zeichnung näher erläutert. Dabei zeigen: Fig. 1 eine schematische Darstellung eines Visualisierungs- systems;Embodiments of the invention are explained in more detail with reference to a drawing. Show: 1 shows a schematic representation of a visualization system;
Fig. 2 eine schematische Draufsicht auf den vorderen Teil eines Fahrzeugs; undFig. 2 is a schematic plan view of the front part of a vehicle; and
Fig. 3 eine schematische Darstellung einer in die A-Säule integrierten Kamera .Fig. 3 is a schematic representation of a camera integrated in the A-pillar.
In der Fig.l ist ein Visualisierungssystem 1 dargestellt, das eine Kamera 2 umfasst, die über eine Datenleitung 3 mit einer Anzeigeeinrichtung 4 verbunden ist. Die Kamera 2 ist dabei' derart angeordnet beziehungsweise ausgebildet, dass sie den Bereich erfasst, der von einem Fahrer des Fahrzeugs wegen der A-Säule des Fahrzeugs nicht eingesehen erden kann. Dieser Bereich wird häufig als „toter Winkel" bezeichnet. Dadurch, dass dieser Bereich durch die Kamera 2 erfasst wird, die Bildsignale über die Datenleitung 3 an die Anzeigeeinrichtung 4 übertragen werden, kann der Fahrer ohne Verrenkung auf einfache Art und Weise auch den durch die A-Säule verdeckten Bereich erfassen. Es kann vorgesehen sein, dass die Anzeigeeinrichtung 4 die von der Kamera 2 erfassten Objekte besonders kennzeichnet und hervorhebt, so dass der Fahrer auf visuelle Art und Weise vor möglichen Gefahren beziehungsweise Kollisionen gewarnt wird. Zur Erkennung und Kennzeichnung der Objekte kann eine nicht dargestellte Bildverarbeitungseinheit vorgesehen sein.1 shows a visualization system 1 which comprises a camera 2 which is connected to a display device 4 via a data line 3. The camera 2 is' arranged or configured such that it detects the region that can not ground viewed by a driver of the vehicle because of the A-pillar of the vehicle. This area is often referred to as a "blind spot". Because this area is captured by the camera 2 and the image signals are transmitted to the display device 4 via the data line 3, the driver can also easily and easily by means of the Detect the A-pillar hidden area It can be provided that the display device 4 particularly identifies and highlights the objects detected by the camera 2, so that the driver is visually warned of possible dangers or collisions Objects, an image processing unit (not shown) can be provided.
In der Fig. 2 ist eine Draufsicht auf den vorderen Teil eines Fahrzeugs 10 dargestellt. Hinter der Windschutzscheibe des Fahrzeugs 10 ist eine Kamera 11 angeordnet, die einen Kamerablickwinkel 12 aufweist. Die Kamera 11 kann als Nachtsichtkamera ausgebildet sein, die einen Blickwinkel 13 für die Er- kennung des Vorfelds des Fahrzeugs 10 bei schlechten Sicht- Verhältnissen, insbesondere bei Dunkelheit aufweist. Der Kamerablickwinkel 12 umfasst allerdings auch Seitenbereiche 14, die einen toten Winkel 15 zumindest teilweise umfassen. Der tote Winkel 15 bestimmt den von einem Fahrer 16 nicht einsehbaren Bereich 17. Der nichteinsehbare Bereich 17 ergibt sich deshalb, da in Blickrichtung des Fahrers 16 die A-Säule 18 angeordnet ist, die einen ungestörten Blick auf den Bereich 17 verwehrt . Eine analoge Betrachtungsweise ergibt sich für die A-Säule 19. Die Kamera 11 ist so ausgebildet, dass sie mehr Bildpunkte aufweist, als dies für die Nachtsichtfunktion notwendig wäre. Sie weist daher einen erweiterten Kamerablickwinkel 12 auf.2 shows a top view of the front part of a vehicle 10. A camera 11 is arranged behind the windshield of the vehicle 10 and has a camera viewing angle 12. The camera 11 can be designed as a night vision camera that has a viewing angle 13 for the Identifies the apron of the vehicle 10 in poor visibility conditions, especially in the dark. However, the camera viewing angle 12 also includes side areas 14 which at least partially cover a blind spot 15. The blind spot 15 determines the area 17 that cannot be seen by a driver 16. The non-visible area 17 arises because the A-pillar 18 is arranged in the driver's 16 viewing direction and prevents an undisturbed view of the area 17. The A-pillar 19 has an analogous approach. The camera 11 is designed in such a way that it has more pixels than would be necessary for the night vision function. It therefore has an expanded camera viewing angle 12.
In der Fig.3 ist eine A-Säule 20 im Schnitt dargestellt, die ein Bindeglied zwischen der Windschutzscheibe 21 und der Seitenscheibe 22 darstellt. In der A-Säule 20 ist eine Kamera 23 mit integrierter Anzeigeeinrichtung 24 angeordnet. Durch das Objektiv 25 wird der Kamerablickwinkel 26 erfasst, der im Wesentlichen mit dem durch die A-Säule 20 verdeckten Bereich 27 übereinstimmt. Blickt der Fahrer 16 auf die A-Säule 20, so wird ihm in dieser Blickrichtung durch die Anzeigeeinrichtung 24 der Bereich 27 hinter der A-Säule 20 angezeigt. Durch diese Maßnahme gibt es praktisch keine Totbereiche mehr, die vom Fahrer 16 nicht gesehen werden. Das Unfallrisiko ist daher erheblich vermindert.3 shows an A-pillar 20 in section, which represents a link between the windshield 21 and the side window 22. A camera 23 with an integrated display device 24 is arranged in the A-pillar 20. The camera viewing angle 26, which essentially corresponds to the area 27 covered by the A-pillar 20, is captured by the lens 25. If the driver 16 looks at the A-pillar 20, the area 27 behind the A-pillar 20 is indicated to him in this viewing direction by the display device 24. As a result of this measure, there are practically no dead areas that the driver 16 cannot see. The risk of accidents is therefore significantly reduced.
Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur Visualisierung des von einer A-Säule verdeckten, für einen Fahrer nicht ohne Weiteres einsehbaren Bereichs (27) , indem der Bereich (27) erfasst wird und dem Fahrer (16) auf einer Anzeigeeinheit (24) angezeigt wird. Dadurch wird die aktive Sicherheit erhöht . The invention relates to a method and a device for visualizing the area (27) which is covered by an A pillar and is not readily visible to a driver, in that the area (27) is detected and the driver (16) is shown on a display unit (24). is shown. This increases active safety.

Claims

Patentansprüche claims
1. Verfahren zur Visualisierung eines von einer A-Säule (18, 19, 20) eines Fahrzeugs (10) verdeckten und für einen Fahrer (16) nicht einsehbaren Bereichs (17, 27) wobei der verdeckte Bereich (17, 27) erfasst wird und dem Fahrer (16) vollständig oder teilweise angezeigt wird.1. A method for visualizing an area (17, 27) that is hidden by an A-pillar (18, 19, 20) of a vehicle (10) and is not visible to a driver (16), whereby the hidden area (17, 27) is detected and the driver (16) is shown in full or in part.
2. Verfahren nach Anspruch 1 , d a d u r c h g e k e n n z e i c h n e t , dass die Umgebung im verdeckten Bereich (17, 27) durch eine Kamera (2, 11, 23) aufgenommen wird und die aufgenommenen Bilder, insbesondere zur Erkennung von Objekten, verarbeitet werden.2. The method according to claim 1, so that the surroundings in the covered area (17, 27) are recorded by a camera (2, 11, 23) and the recorded images, in particular for the detection of objects, are processed.
3. Verfahren nach Anspruch 1 oder 2 , d a d u r c h g e k e n n z e i c h n e t , dass der Fahrer (16) auf bewegte Objekte im nicht einsehbaren Bereich (17, 27) aufmerksam gemacht wird.3. The method according to claim 1 or 2, so that the driver (16) is made aware of moving objects in the non-visible area (17, 27).
4. Verfahren nach Anspruch 3 , d a d u r c h g e k e n n z e i c h n e t , dass die Objekte gekennzeichnet werden, insbesondere durch Hervorhebung ihrer Umrisse. 4. The method according to claim 3, characterized in that the objects are identified, in particular by highlighting their outlines.
5. Visualisierungssystem eines Fahrzeugs (10) mit einer Kamera (2, 11, 23) und einer Anzeigeeinrichtung (4, 24) der aufgenommenen Bilder, d a d u r c h g e k e n n z e i c h n e t , dass der Kamerablickwinkel (12, 26) den von einer A-Säule (18, 19, 20) eines Fahrzeugs (10) verdeckten und von einem Fahrzeugführer (16) nicht einsehbaren Bereich (17, 27) zumindest teilweise erfasst.5. Visualization system of a vehicle (10) with a camera (2, 11, 23) and a display device (4, 24) of the images taken, characterized in that the camera viewing angle (12, 26) is that of an A-pillar (18, 19 , 20) of a vehicle (10) covered area (17, 27) at least partially covered by a vehicle driver (16).
6. Visualisierungssystem nach Anspruch 5, d a d u r c h g e k e n n z e i c h n e t , dass eine Bildverarbeitungseinheit zur Identifizierung von Objekten, insbesondere von bewegten Objekten, vorgesehen ist.6. Visualization system according to claim 5, which also provides that an image processing unit is provided for identifying objects, in particular moving objects.
7. Visualisierungssystem nach einem der Ansprüche 5 oder 6, d a d u r c h g e k e n n z e i c h n e t , dass Mittel zur Hervorhebung von Objekten auf der Anzeigeeinheit (4, 24) vorgesehen sind.7. Visualization system according to one of claims 5 or 6, so that means for highlighting objects are provided on the display unit (4, 24).
8. Visualisierungssystem nach einem der Ansprüche 5 bis 7, d a d u r c h g e k e n n z e i c h n e t , dass als Anzeigeeinheit (4, 24) der Navigations- Bildschirm vorgesehen ist.8. Visualization system according to one of claims 5 to 7, so that the navigation screen is provided as a display unit (4, 24).
9. Visualisierungssystem nach einem der Ansprüche 5 bis 7, d a d u r c h g e k e n n z e i c h n e t , dass die Anzeigeeinheit (4, 24) als grafisches Display in einem Kombiinstrument ausgebildet ist.9. Visualization system according to one of claims 5 to 7, so that the display unit (4, 24) is designed as a graphical display in an instrument cluster.
10. Visualisierungssystem nach einem der Ansprüche 5 bis 7, d a d u r c h g e k e n n z e i c h n e t , dass die Anzeigeeinheit (4, 24) als separater Bildschirm ausgebildet ist. 10. Visualization system according to one of claims 5 to 7, characterized in that the display unit (4, 24) is designed as a separate screen.
11. VisualisierungsSystem nach einem der Ansprüche 5 bis 10, d a d u r c h g e k e n n z e i c h n e t , dass die Kamera (2, 11, 23) als digitale Videokamera ausgebildet ist.11. The visualization system as claimed in one of claims 5 to 10, that the camera (2, 11, 23) is designed as a digital video camera.
12. Visualisierungssystem nach einem der Ansprüche 5 bis 11, d a d u r c h g e k e n n z e i c h n e t , dass die Kamera (11) Bestandteil eines NachtsiehtSystems ist, wobei der mittlere Kamerablickwinkel (13) für die Nachtsiehtfunktion einsetzbar ist und die äußeren Kamerablickwinkel (14) den verdeckten Bereich (17, 27) abdecken.12. Visualization system according to one of claims 5 to 11, characterized in that the camera (11) is part of a night vision system, wherein the central camera viewing angle (13) can be used for the night vision function and the outer camera viewing angle (14) the hidden area (17, 27 ) cover.
13. Visualisierungssystem nach einem der Ansprüche 5 bis 12, d a d u r c h g e k e n n z e i c h n e t , dass die Kamera (23) an der A-Säule (20) , insbesondere jeweils eine Kamera an beiden A-Säulen, angebracht ist.13. Visualization system according to one of claims 5 to 12, so that the camera (23) is attached to the A-pillar (20), in particular one camera each on both A-pillars.
14. Visualisierungssystem nach Anspruch 13, d a d u r c h g e k e n n z e i c h n e t , dass die Kamera (23) in die A-Säule (20) integriert ist.14. Visualization system according to claim 13, so that the camera (23) is integrated in the A-pillar (20).
15. Visualisierungssystem nach Anspruch 13 oder 14, d a d u r c h g e k e n n z e i c h n e t , dass die Anzeigeeinheit (24) an der A-Säule (20) angebracht ist.15. Visualization system according to claim 13 or 14, so that the display unit (24) is attached to the A-pillar (20).
16. Visualisierungssystem nach Anspruch 15, d a d u r c h g e k e n n z e i c h n e t , dass die Anzeigeeinheit (24) in die A-Säule (20) integriert ist. 16. Visualization system according to claim 15, so that the display unit (24) is integrated in the A-pillar (20).
PCT/EP2004/008974 2003-09-03 2004-08-11 Visualisation of the dead angle behind an a-pillar of a vehicle WO2005028256A2 (en)

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