Derivation and use of motion vectors in a differential pulse code modulation system
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United States of America Patent
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Mar 30, 1993
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N/A
app pub date -
Sep 23, 1991
filing date -
Sep 23, 1991
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Abstract
A differential pulse code modulation system having bidirectional motion estimation for blocks in bidirectionally-predicted frames, B frames, that is derived from the motion vector of a block in an anchor frame whose projection along its motion vector has the most overlap with the block in the B frame for which a motion estimation is sought.
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