Stop marker recognition apparatus of vehicle drive assist...

Details Stop marker recognition apparatus of vehicle drive assist... Stop marker recognition apparatus of vehicle drive assist...

2006-06-27

2006-06-27

Wu, Daniel (Department: 2632)

Communications: electrical

Land vehicle alarms or indicators

Of collision or contact with external object

C340S435000, C382S104000, C348S148000, C348S149000, C342S070000

Reexamination Certificate

active

07068154

ABSTRACT:
A particular area extending in a widthwise direction of a vehicle is established in a lower part of a picture image taken by CCD cameras and the area is divided into six small areas. It is judged that a stop marker exists when an average brightness of respective three successive small areas of the six small areas rises from a low level to a high level and then descends from the high level. As a result of recognition of a stop marker, in case where a stop marker exists and there is a solid object immediately ahead of the stop marker, a drive assist system gives a warning to a vehicle operator or a congestion follow-up mode is turned off. Further, in case where a stop marker exists and there is a solid object immediately ahead of the stop marker, while the vehicle is in a standstill, the drive assist system prohibits the vehicle operator from starting the vehicle.

REFERENCES:
patent: 5412487 (1995-05-01), Nishimura et al.
patent: 6226592 (2001-05-01), Luckscheiter et al.
patent: 6335689 (2002-01-01), Mine
patent: 6385536 (2002-05-01), Kimura
patent: 05-289743 (1993-11-01), None
patent: 09-190537 (1997-07-01), None
patent: 2000-118261 (2000-04-01), None

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