Image analysis – Applications – Target tracking or detecting
Patent
1997-12-24
2000-10-31
Au, Amelia
Image analysis
Applications
Target tracking or detecting
382164, 382236, 348143, G06K 900, G06K 946, H04N 947
Patent
active
061414336
ABSTRACT:
A system and method for extracting image information from a video frame for regions of a the video frame that likely are objects of interest in a scene. An initial region set is generated by comparing luminance image information and color image information of a video frame with luminance image information and color image information of a background image for the scene. A high confidence region set is generated comprising regions from the initial based upon edge information of the regions and edge information in the background image. A final region set is generated by combining one or more regions in the high confidence region set if such combinations satisfy predetermined criteria, including size, region proximity and morphological region dilation.
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Crabtree Ralph N.
Moed Michael C.
Au Amelia
Dastouri Mehrdad
NCR Corporation
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