Motion vector operation devices and methods including prediction
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United States of America Patent
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Dec 14, 2010
Grant Date -
Jun 29, 2006
app pub date -
Sep 7, 2005
filing date -
Dec 9, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A motion-vector operation device includes an upper memory composed of first and second banks that store motion vectors of a lower block group belonging to a macroblock, a left memory storing motion vectors of a right block group belonging to a macroblock, and an estimator predicting a motion vector of a current block with reference to the motion vectors stored in the first and second banks of the upper memory and the left memory in accordance with an operation mode and a position of the current block in a super macroblock.
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