Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate
2007-08-07
2007-08-07
Le, Que T. (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
C250S221000
Reexamination Certificate
active
11344541
ABSTRACT:
A mobile body surrounding surveillance1A apparatus according to the present invention includes: an image capturing section2; a particular region setting section31for setting a particular region for image data captured by the image capturing section; an own mobile body movement direction detection section11for detecting a movement direction of the own mobile body and outputting a movement direction information indicating the detected movement direction; a movement vector information extraction section for taking the image data of the particular region for each of one or a plurality of frame images captured by the image capturing section in time series and adjusting a detection sensitivity based on the movement direction information so as to extract a movement vector information on another mobile body; and a change detection section35for detecting a moving state of the other mobile body which is present in the surrounding of the own mobile body based on the movement vector information.
REFERENCES:
patent: 6812831 (2004-11-01), Ikeda
patent: 2000-285245 (2000-10-01), None
patent: 2005-222424 (2005-08-01), None
Le Que T.
Nixon & Vanderhye PC
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