Image analysis – Applications – Vehicle or traffic control
Reexamination Certificate
2011-06-07
2011-06-07
Bhatnagar, Anand (Department: 2624)
Image analysis
Applications
Vehicle or traffic control
C348S113000, C701S200000
Reexamination Certificate
active
07957559
ABSTRACT:
In conventional systems using an onboard camera disposed rearward of a vehicle for recognizing an object surrounding the vehicle, the object is recognized by the camera disposed rearward of the vehicle. In the image recognized by the camera, a road surface marking taken by the camera appears at a lower end of a screen of the image, which makes it difficult to predict a specific position in the screen from which the road surface marking appears. Further, an angle of depression of the camera is large, and it is a short period of time to acquire the object. Therefore, it is difficult to improve a recognition rate and to reduce false recognition. Results of recognition (type, position, angle, recognition time) made by a camera disposed forward of the vehicle, are used to predict a specific timing and a specific position of a field of view of a camera disposed rearward of the vehicle, at which the object appears. Parameters of recognition logic of the rearwardly disposed camera and processing timing are then optimally adjusted. Further, luminance information of the image from the forwardly disposed camera is used to predict possible changes to be made in luminance of the field of view of the rearwardly disposed camera. Gain and exposure time of the rearwardly disposed camera are then adjusted.
REFERENCES:
patent: 5557323 (1996-09-01), Kajiwara
patent: 5638116 (1997-06-01), Shimoura et al.
patent: 6266442 (2001-07-01), Laumeyer et al.
patent: 6285393 (2001-09-01), Shimoura et al.
patent: 6324453 (2001-11-01), Breed et al.
patent: 3-220410 (1991-09-01), None
patent: 6-206196 (1994-07-01), None
Higuchi Mirai
Irie Kota
Machii Kimiyoshi
Monji Tatsuhiko
Muramatsu Shoji
Bhatnagar Anand
Crowell & Moring LLP
Hitachi , Ltd.
LandOfFree
Apparatus and system for recognizing environment surrounding... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus and system for recognizing environment surrounding..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and system for recognizing environment surrounding... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2673550