Image compression method and apparatus employing distortion adaptive tree search vector quantization
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United States of America Patent
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Dec 15, 1992
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N/A
app pub date -
Nov 19, 1991
filing date -
Nov 19, 1991
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Abstract
A variable rate vector quantization method employs a tree structured codebook. The level of the codebook from which codevectors are selected is determined by a threshold. The threshold varies according to the fullness of a buffer which stores vector quantized data to be transmitted.
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