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Nobuhiko Yasui, Atsushi Iisaka: Parking assistance system. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, November 19, 2002: US06483429 (247 worldwide citation)

A parking assistance system is mounted in a vehicle, and has an image pick-up with a single camera, an image processing device, a display, a steering angle sensor, a wheel speed sensor, and a pulse counter. An A/D converter subjects two analog images picked up by the image pick-up at different locat ...


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Nobuyuki Nakano, Nobuhiko Yasui: Vehicle recognition apparatus. Matsushita Electric Industrial, Ratner & Prestia, January 23, 1996: US05487116 (176 worldwide citation)

An apparatus for recognizing contours of a preceding vehicle from road images input by the use of vehicle-mounted cameras is described. The cameras view an object in front of the vehicle having the apparatus thereon and measure a distance to the recognized preceding vehicle. The apparatus includes i ...


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Nobuhiko Yasui, Atsushi Iisaka, Noboru Nomura: Image processing apparatus. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, May 4, 2004: US06731332 (167 worldwide citation)

In an image processing apparatus carried on a vehicle, an image of a scene around the vehicle, which is photographed by an image pick-up, is inputted into a white line failure extractor. Then, outline points of a white line on a road and a guardrail, which is parallel to the white line, are sought. ...


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Nobuhiko Yasui, Atsushi Iisaka, Mamoru Kaneko: Local positioning apparatus, and a method therefor. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, July 18, 2000: US06091833 (84 worldwide citation)

An apparatus and method for correctly determining the position of a vehicle in a traffic lane by obtaining correct information about the position of the traffic lane without being affected by variations in the road surface, weather, time of day, or such imaging conditions as fixed or moving lighting ...


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Takashi Yoshida, Nobuhiko Yasui, Atsushi Iisaka, Akira Ishida: Rendering device for generating a drive assistant image for drive assistance. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, April 9, 2002: US06369701 (71 worldwide citation)

In a rendering device Urnd, a CPU generates a lower viewpoint image based on captured images captured by image capture devices both securely mounted to a vehicle. Here, the lower viewpoint image shows a region rear of the vehicle viewed from those image capture devices. Then, the CPU executes viewpo ...


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Nobuhiko Yasui, Atsushi Iisaka, Mamoru Kaneko: Lane detection sensor and navigation system employing the same. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, July 13, 1999: US05922036 (54 worldwide citation)

A lane detection sensor for detecting opposite lane markers of a road, comprising: an image shooting member for shooting an image of the road ahead of a running motor vehicle; an image data memory for storing data on the image of the road from the image shooting member; a contour point extracting me ...


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Atsushi Iisaka, Nobuhiko Yasui, Mamoru Kaneko: Local positioning apparatus. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, May 18, 1999: US05904725 (54 worldwide citation)

A local positioning device detects a local position of an automobile advancing along a lane formed on a road in a direction. A digital image data indicative of an advancing direction view observed from the automobile in the advancing direction is applied to the local position device. An edge extract ...


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Yoshiki Ueyama, Nobuhiko Yasui: Vehicle in-situ locating apparatus. Matsushita Electric Industrial, Stevens Davis Miller & Mosher, October 22, 1991: US05060162 (47 worldwide citation)

The apparatus includes a running distance sensor, a heading direction sensor based on terrestrial magnetism, and a map data base for identifying the road on which the vehicle is running. In implementing map matching for collating running data with map data, the difference between the heading directi ...


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Nobuhiko Yasui, Atsushi Iisaka, Mamoru Kaneko: Local positioning apparatus, and method therefor. Matsushita Electric Industrial, Wenderoth Lind & Ponack L, December 10, 2002: US06493458 (26 worldwide citation)

An apparatus and method for correctly determining the position of a vehicle in a traffic lane by obtaining correct information about the position of the traffic lane without being affected by variations in the road surface, weather, time of day, or such imaging conditions as fixed or moving lighting ...