Method and apparatus for generating chrominance shape information of a video object plane in a video signal
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United States of America Patent
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Oct 13, 1998
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N/A
app pub date -
Aug 27, 1996
filing date -
May 10, 1996
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Abstract
An apparatus generates chrominance shape information based on luminance shape information represented by binary values, to thereby describe an object in a video object plane effectively. The apparatus divides the luminance shape information into a multiplicity of sample blocks, a sample block including 2.times.2 pixels, and determines, for each sample block, a chrominance value based on all logic values in a sample block. The chrominance shape information is produced in a form of a matrix based on the chrominance values for all sample blocks.
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