OBSTACLE DETECTION DEVICE, OBSTACLE DETECTION SYSTEM INCLUDING THE SAME, AND OBSTACLE DETECTION METHOD

PROBLEM TO BE SOLVED: To provide an obstacle detection device capable of detecting an obstacle behind a vehicle even at environment of low illuminance without separately requiring a sensor other than a photographing device. SOLUTION: The obstacle detection device 20 detects the obstacle from an imag...

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Hauptverfasser:	MURAMATSU YOICHI, TOYODA KEIJI
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PERFORMING OPERATIONS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an obstacle detection device capable of detecting an obstacle behind a vehicle even at environment of low illuminance without separately requiring a sensor other than a photographing device. SOLUTION: The obstacle detection device 20 detects the obstacle from an image of the rear side of the vehicle at retreating of the vehicle, and includes: a difference image production part 23 for producing the difference image of the image photographed at lighting of a brake lamp of the vehicle and the image photographed at putting out of lighting of the brake lamp of the vehicle; and an obstacle determination part 26 for determining existence of the obstacle based on a position in the image where the difference is generated on the difference image obtained in the difference image production part 23. COPYRIGHT: (C)2011,JPO&INPIT