Apparatus for processing band-compressed signals having inter-frame and intra-frame signals
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United States of America Patent
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Jul 16, 1996
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app pub date -
Mar 20, 1995
filing date -
Jul 20, 1992
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Abstract
A band compression signal processor including a band compression circuit for intra-frame-coding and inter-frame-coding an input video signal which forms a picture areas, inter-frame-coding the input video signal which is intra-frame-coded, and repeating the above signal processing adaptively according to a motion evaluation on the input video signal, and a refresh coding circuit for periodically intra-frame-coding signals corresponding to b areas of the a areas for each frame at a period of f frames. A macro-block is formed by adding overhead data indicating the contents of variable length codes of a refresh block and a non-refresh block to the refresh block which has undergone the refresh coding and the non-refresh block which has not undergone the refresh coding.
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