Pulse or digital communications – Bandwidth reduction or expansion
Reexamination Certificate
2005-08-30
2005-08-30
Vo, Tung T. (Department: 2613)
Pulse or digital communications
Bandwidth reduction or expansion
Reexamination Certificate
active
06937651
ABSTRACT:
A system (10) includes an image detector (12) which is a video camera, and which detects and outputs a succession of video images of a selected subject. A technique for processing these images involves preparing compressed image information. The compressed image information includes a first detected image (FIG.2A) that serves as a reference image, includes information (FIG.2G) identifying regions of subsequent detected images that differ from the first image, and excludes at least a portion of each of the subsequent images. The information identifying regions of subsequent detected images is free of contrast information for a substantial portion of each of those regions. The compressed image information for a given image is decompressed by displaying the reference image and by modifying the displayed reference image based on the information identifying differences from the reference image.
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Vo Tung T.
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