Technique for reducing transmission error propagation in an adaptively predicted DPCM video encoder
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United States of America Patent
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Mar 10, 1981
Grant Date -
N/A
app pub date -
Dec 26, 1979
filing date -
Dec 26, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Propagation of transmission errors in adaptively predicted, DPCM encoded video signals is reduced by including a leak circuit (114) in the encoder (FIG. 1). The leak circuit modifies each prediction in response to local characteristics in the area of the picture being encoded.
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