Block distortion reduction apparatus
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United States of America Patent
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Jun 15, 2010
Grant Date -
Jan 27, 2005
app pub date -
Jun 17, 2004
filing date -
Jun 25, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A block distortion reduction apparatus, enabling easy processing by a small-sized circuit configuration and enabling generation of block distortion reduction parameters by any area unit inside a frame, which averages encoding coefficients in a macroblock units to obtain a DCT parameter, calculates a DMV parameter of differential motion vectors by weighting in accordance with the encoding mode of the macroblock unit, and determines a correction value for the block distortion reduction based on these parameters.
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