Image compressions method and apparatus employing distortion...

Details Image compressions method and apparatus employing distortion... Image compressions method and apparatus employing distortion...

H - Electricity

03

M

H03M 7/32 (2006.01) G06T 9/40 (2006.01) H03M 7/30 (2006.01) H04N 7/12 (2006.01) H04N 7/16 (2006.01) H04N 7/28 (2006.01) H04N 7/30 (2006.01)

Patent

CA 2123915

2123915 9310636 PCTABS00022 A variable rate vector quantization method employs a tree structured codebook (114). The level of the codebook from which codevectors are selected is determined by a threshold (116). The threshold varies according to the fullness of a buffer (118) which stores vector quantized data to be transmitted.

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