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DE102008036559A1 - Driver assistance system for car, has nonvolatile memory integrated into evaluation unit, where data from position determination device for position determination and reduced data from digital road map are provided to evaluation unit - Google Patents

Driver assistance system for car, has nonvolatile memory integrated into evaluation unit, where data from position determination device for position determination and reduced data from digital road map are provided to evaluation unit Download PDF

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Publication number
DE102008036559A1
DE102008036559A1 DE200810036559 DE102008036559A DE102008036559A1 DE 102008036559 A1 DE102008036559 A1 DE 102008036559A1 DE 200810036559 DE200810036559 DE 200810036559 DE 102008036559 A DE102008036559 A DE 102008036559A DE 102008036559 A1 DE102008036559 A1 DE 102008036559A1
Authority
DE
Germany
Prior art keywords
driver assistance
assistance system
data
evaluation unit
position determination
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Withdrawn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
DE200810036559
Other languages
German (de)
Inventor
Wilfried Mehr
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.)
ADC Automotive Distance Control Systems GmbH
Original Assignee
ADC Automotive Distance Control Systems 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 ADC Automotive Distance Control Systems GmbH filed Critical ADC Automotive Distance Control Systems GmbH
Priority to DE200810036559 priority Critical patent/DE102008036559A1/en
Priority to DE112009001488T priority patent/DE112009001488A5/en
Priority to PCT/DE2009/000755 priority patent/WO2010015218A1/en
Priority to US13/057,208 priority patent/US8694255B2/en
Priority to EP09775883.3A priority patent/EP2307252B1/en
Publication of DE102008036559A1 publication Critical patent/DE102008036559A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • G08G1/096791—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is another vehicle
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
    • G08G1/096716—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information does not generate an automatic action on the vehicle control
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
    • G08G1/096725—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information generates an automatic action on the vehicle control
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
    • G08G1/09675—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where a selection from the received information takes place in the vehicle
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • G08G1/096783—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a roadside individual element

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  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Navigation (AREA)
  • Traffic Control Systems (AREA)

Abstract

The system has a nonvolatile electronic memory integrated into an evaluation unit, where data from a position determination device for position determination and reduced data from a digital road map are provided to the evaluation unit. The data from the digital road map is reduced based on a function of the system. The system executes respective function through comparison of position of a motor vehicle i.e. car, with the reduced data. The reduced data from the digital road map is stored on the nonvolatile electronic memory.

Description

Stand der Technik bei der Verkehrszeichenerkennung mit Kamerasystemen im Auto, besonders bei der Erkennung von Geschwindigkeitsbegrenzungen, ist die Kopplung des Fahrerassistenzsystems an ein im Fahrzeug verfügbares Navigationssystem, um aus der dort abgelegten digitalen Straßenkarte zusätzliche Informationen zu erhalten. Diese sind notwendig, um die aktuelle Geschwindigkeitsbegrenzung dem Fahrer möglichst genau mitzuteilen. So kann der heutige technische Stand der industrialisierten Kameras im Fahrzeug noch keine Ortseinfahrten an den Ortsschildern erkennen und bezieht daher die Geschwindigkeitsbegrenzung aus der digitalen Straßenkarte und dem aktuellen Ort aus dem GPS-Navigationssystem.was standing technology in traffic sign recognition with camera systems in the car, especially when detecting speed limits, is the coupling of the driver assistance system to a navigation system available in the vehicle, from the digital road map stored there additional To get information. These are necessary to the current Speed limit to the driver as accurately as possible. This is the current state of the art of industrialized cameras recognize in the vehicle yet no entrances to the town signs and therefore derives the speed limit from the digital road map and the current location from the GPS navigation system.

Die Kopplung der Kamera an ein Navigationssystem führt zu deutlichen Mehrkosten des Fahrerassistenzsystems.The Coupling the camera to a navigation system leads to significant additional costs of the driver assistance system.

Die Erfindung beschreibt eine Möglichkeit, die Kopplung der Kamera an ein Navigationssystem zu vermeiden.The Invention describes a possibility that Avoid coupling the camera to a navigation system.

Das erfindungsgemäße Fahrerassistenzsystem für ein Kraftfahrzeug umfasst eine Kamera und eine Auswerteeinheit für Bilddaten, wobei der Auswerteeinheit Daten aus einer Vorrichtung zur Positionsbestimmung und reduzierte Daten aus einer digitalen Straßenkarte zur Verfügung gestellt werden.The inventive driver assistance system for a Motor vehicle comprises a camera and an evaluation unit for image data, wherein the evaluation unit data from a device for position determination and reduced data provided by a digital road map become.

Die Daten aus der digitalen Straßenkarte werden bevorzugt in Abhängigkeit von der Funktion des Fahrerassistenzsystems reduziert. So werden gemäß einem Ausführungsbeispiel der Erfindung nur die Informationen aus der digitalen Straßenkarte berücksichtigt, die für die Verkehrszeichenerkennung relevant sind.The Data from the digital road map will be preferably in dependence reduced by the function of the driver assistance system. So be according to one embodiment the invention only the information from the digital road map considered, the for the traffic sign recognition are relevant.

In einem weiteren Ausführungsbeispiel vergleicht das Fahrerassistenzsystem die bestimmte Position des Kraftfahrzeugs mit den reduzierten Daten der digitalen Straßenkarte, um seine jeweilige Funktion ausüben zu können. Eine solche Funktion ist z. B. ein Geschwindigkeitsassistent.In a further embodiment The driver assistance system compares the specific position of the driver Motor vehicle with the reduced data of the digital road map, to exercise its respective function to be able to. Such a function is z. B. a speed assistant.

Dient das Fahrerassistenzsystem beispielsweise der Verkehrszeichenerkennung, so kann die digitale Straßenkarte auf die Positionsangaben bzw. den Geltungsbereich von Verkehrszeichen reduziert werden. Soll dagegen beispielsweise die zulässige Höchstgeschwindigkeit durch das Fahrerassistenzsystem ermittelt werden, so kann die digitale Straßenkarte auf die Positionen von Ortseingängen und -ausgängen reduziert werden. Weitere reduzierte Daten sind z. B. Informationen über Baustellen, Fahrbahnbeschaffenheit, Anzahl der Fahrspuren und Verlauf der aktuellen Fahrspur.serves the driver assistance system, for example traffic sign recognition, so can the digital road map on the position information or the scope of traffic signs be reduced. For example, if you want the maximum speed limit be determined by the driver assistance system, so the digital road map on the positions of town entrances and exits be reduced. Further reduced data are z. B. information on construction sites, Road condition, number of lanes and history of the current Lane.

Zusammen mit der Kenntnis der aktuellen Position des Kraftfahrzeugs ermittelt das Fahrerassistenzsystem bevorzugt aus den reduzierten Daten diejenigen Daten, die zur Ausübung der gewünschten Funktion erforderlich sind. Beispielsweise durch den Vergleich der ermittelten Kraftfahrzeugposition mit den Ortschaftsbegrenzungspositionen bestimmt das Fahrerassistenzsystem, ob die zulässige Höchstgeschwindigkeit aktuell 50 km/h oder 100 km/h beträgt. Die Unterscheidung innerorts/außerorts kann alternativ auch bei der Lichtsteuerung (Abblendlicht/Fernlicht) eingesetzt werden. Ein Spurhalteassistent würde dagegen als reduzierte Daten einer digitalen Straßenkarte beispielsweise auf den Verlauf der aktuellen Fahrspur und die Anzahl der in diesem Abschnitt vorhandenen Fahrspuren zurückgreifen.Together determined with the knowledge of the current position of the motor vehicle the driver assistance system prefers those from the reduced data Data for exercise the desired Function are required. For example, by comparing the Determined motor vehicle position with the Ortschaftsbegrenzungspositionen determines the driver assistance system, whether the maximum speed allowed 50 km / h or 100 km / h. The distinction between urban / out-of-town can alternatively also in the light control (dipped beam / high beam) be used. A lane departure warning would be reduced Data of a digital road map For example, on the course of the current lane and the number the lanes in this section.

Diese reduzierten Informationen werden bevorzugt auf einen nichtflüchtigen elektronischen Speicher gespeichert und der Auswerteeinheit (ECU) der Kamera zur Verfügung gestellt.These reduced information is preferred to a non-volatile one stored electronic memory and the evaluation unit (ECU) of the Camera available posed.

Da die relevanten Informationen für die Verkehrszeichenerkennung nur sehr wenig Speicher benötigen, kann dieser bevorzugt und kostengünstig in die ECU der Kamera integriert werden. Eine Verbindung zum Navigationssystem entfällt.There the relevant information for the traffic sign recognition need only very little memory can this preferred and inexpensive integrated into the ECU of the camera. A connection to the navigation system eliminated.

Um die Informationen aus dem nichtflüchtigen Speicher mit der Umfeldinterpretation der Kamera zu synchronisieren, wird die aktuelle Position des Kraftfahrzeugs benötigt. Die aktuelle Kraftfahrzeugposition kann entweder aus einer integrierten GPS-Antenne oder vom Fahrzeugbus, z. B. gesendet von einem e-Call-System, bezogen werden.Around the information from the non-volatile memory with the environment interpretation Synchronize the camera, the current position of the motor vehicle needed. The current motor vehicle position can either be from an integrated GPS antenna or from the vehicle bus, z. B. sent from an e-call system, related become.

Die Verkehrszeichenerkennung ist nur eine Anwendung dieser Erfindung im Bereich Fahrerassistenzsysteme. Grundsätzlich ist das Verfahren einer applikationsbezogenen bzw. funktionsbezogenen Reduzierung der Information einer digitalen Straßenkarte und deren Ablage auf einen nichtflüchtigen elektronischen Speicher zur Entkopplung vom Navigationssystem für viele Fahrzeugsysteme anwendbar.The Traffic sign recognition is just one application of this invention in the field of driver assistance systems. Basically, the procedure is one application-related or function-related reduction of the information a digital road map and their storage on a non-volatile electronic memory applicable for decoupling from the navigation system for many vehicle systems.

Die wesentlichen Vorteile dieser Systemauslegung sind:

  • • Fahrzeugfunktionen, die Informationen einer digitalen Straßenkarte benötigen, benötigen keine Verknüpfung mit einem Navigationssystem
  • • Der Systemansatz der Erfindung ermöglicht den leichteren Einsatz im Nachrüstgeschäft.
The main advantages of this system design are:
  • • Vehicle functions requiring information from a digital road map do not need to be linked to a navigation system
  • • The system approach of the invention allows easier use in the retrofit business.

Claims (9)

Fahrerassistenzsystem für ein Kraftfahrzeug umfassend eine Kamera und eine Auswerteeinheit für Bilddaten, wobei der Auswerteeinheit Daten aus einer Vorrichtung zur Positionsbestimmung und reduzierte Daten aus einer digitalen Straßenkarte zur Verfügung gestellt werden.Driver assistance system for a motor vehicle comprising a camera and an evaluation unit for image data, wherein the evaluation unit data a device for positioning and reduced data from a digital road map are provided. Fahrerassistenzsystem nach Anspruch 1, dadurch gekennzeichnet, dass die Daten aus der digitalen Straßenkarte in Abhängigkeit von der Funktion des Fahrerassistenzsystems reduziert sind.Driver assistance system according to claim 1, characterized in that that the data from the digital road map is dependent are reduced by the function of the driver assistance system. Fahrerassistenzsystem nach Anspruch 2, dadurch gekennzeichnet, dass das Fahrerassistenzsystem durch Vergleich der bestimmten Position des Kraftfahrzeugs mit den reduzierten Daten seine jeweilige Funktion ausüben kann.Driver assistance system according to claim 2, characterized in that that the driver assistance system by comparing the specific position the motor vehicle with the reduced data its respective function exercise can. Fahrerassistenzsystem nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die reduzierten Daten aus der digitalen Straßenkarte auf einem nichtflüchtigen Speicher hinterlegt sind.Driver assistance system according to one of claims 1 to 3, characterized in that the reduced data from the digital road map on a non-volatile Memory are stored. Fahrerassistenzsystem nach Anspruch 4, dadurch gekennzeichnet, dass der nichtflüchtige Speicher in die Auswerteeinheit der Kamera integriert ist.Driver assistance system according to claim 4, characterized in that that the non-volatile Memory is integrated into the evaluation unit of the camera. Fahrerassistenzsystem nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Positionsbestimmung des Kraftfahrzeugs durch eine in das Fahrerassistenzsystem integrierte GPS-Antenne erfolgt.Driver assistance system according to one of claims 1 to 5, characterized in that the position determination of the motor vehicle by a GPS antenna integrated in the driver assistance system he follows. Fahrerassistenzsystem nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Positionsbestimmung des Fahrzeugs mit Hilfe von Daten eines e-Call-Systems erfolgt.Driver assistance system according to one of claims 1 to 5, characterized in that the position determination of the vehicle using data from an e-call system he follows. Fahrerassistenzsystem nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass das Fahrerassistenzsystem Verkehrszeichen erkennt.Driver assistance system according to one of claims 1 to 7, characterized in that the driver assistance system traffic signs recognizes. Fahrerassistenzsystem nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass das Fahrerassistenzsystem die zulässige Höchstgeschwindigkeit ermittelt und diese dem Fahrer mitteilt.Driver assistance system according to one of claims 1 to 8, characterized in that the driver assistance system, the maximum speed determined and this tells the driver.
DE200810036559 2008-08-06 2008-08-06 Driver assistance system for car, has nonvolatile memory integrated into evaluation unit, where data from position determination device for position determination and reduced data from digital road map are provided to evaluation unit Withdrawn DE102008036559A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE200810036559 DE102008036559A1 (en) 2008-08-06 2008-08-06 Driver assistance system for car, has nonvolatile memory integrated into evaluation unit, where data from position determination device for position determination and reduced data from digital road map are provided to evaluation unit
DE112009001488T DE112009001488A5 (en) 2008-08-06 2009-05-27 Driver assistance system with reduced data from a digital road map
PCT/DE2009/000755 WO2010015218A1 (en) 2008-08-06 2009-05-27 Driver assistance system having reduced data from a digital road map
US13/057,208 US8694255B2 (en) 2008-08-06 2009-05-27 Driver assistance system having reduced data from a digital road map
EP09775883.3A EP2307252B1 (en) 2008-08-06 2009-05-27 Driver assistance system having reduced data from a digital road map

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810036559 DE102008036559A1 (en) 2008-08-06 2008-08-06 Driver assistance system for car, has nonvolatile memory integrated into evaluation unit, where data from position determination device for position determination and reduced data from digital road map are provided to evaluation unit

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DE102008036559A1 true DE102008036559A1 (en) 2010-02-11

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DE200810036559 Withdrawn DE102008036559A1 (en) 2008-08-06 2008-08-06 Driver assistance system for car, has nonvolatile memory integrated into evaluation unit, where data from position determination device for position determination and reduced data from digital road map are provided to evaluation unit

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019114190A1 (en) * 2019-05-27 2020-12-03 Zf Automotive Germany Gmbh Data carrier, method for the automated control of a vehicle and method for generating a data carrier
DE102022207771A1 (en) * 2022-07-28 2024-02-08 Continental Autonomous Mobility Germany GmbH Method and system for dynamically reducing the complexity of a 3D map

Citations (5)

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Publication number Priority date Publication date Assignee Title
DE19842176A1 (en) * 1998-09-15 2000-03-16 Bosch Gmbh Robert Method to identify traffic signs in surroundings of vehicle and for vehicle navigation, involves including satellite-based navigation system and unit to identify vehicle signs, which are used to update data from each other
DE10007813A1 (en) * 2000-02-21 2001-09-06 Becker Gmbh Navigation system for motor vehicle has map data memory, position detector using stored map data, image processing device, acquired position/image data processing device, output device
DE10244329A1 (en) * 2002-09-23 2004-04-01 Daimlerchrysler Ag Sensor device for a motor vehicle system
DE102004019337A1 (en) * 2004-04-21 2005-11-17 Siemens Ag Assistance system for motor vehicles
DE102008023972A1 (en) * 2007-05-25 2008-11-27 Continental Teves Ag & Co. Ohg Method and device for identifying traffic-related information

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19842176A1 (en) * 1998-09-15 2000-03-16 Bosch Gmbh Robert Method to identify traffic signs in surroundings of vehicle and for vehicle navigation, involves including satellite-based navigation system and unit to identify vehicle signs, which are used to update data from each other
DE10007813A1 (en) * 2000-02-21 2001-09-06 Becker Gmbh Navigation system for motor vehicle has map data memory, position detector using stored map data, image processing device, acquired position/image data processing device, output device
DE10244329A1 (en) * 2002-09-23 2004-04-01 Daimlerchrysler Ag Sensor device for a motor vehicle system
DE102004019337A1 (en) * 2004-04-21 2005-11-17 Siemens Ag Assistance system for motor vehicles
DE102008023972A1 (en) * 2007-05-25 2008-11-27 Continental Teves Ag & Co. Ohg Method and device for identifying traffic-related information

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019114190A1 (en) * 2019-05-27 2020-12-03 Zf Automotive Germany Gmbh Data carrier, method for the automated control of a vehicle and method for generating a data carrier
DE102022207771A1 (en) * 2022-07-28 2024-02-08 Continental Autonomous Mobility Germany GmbH Method and system for dynamically reducing the complexity of a 3D map

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OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
R118 Application deemed withdrawn due to claim for domestic priority