Block Matching In Motion Estimation
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United States of America Patent
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Issued Date -
Feb 2, 2012
app pub date -
Dec 8, 2008
filing date -
Dec 12, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A video processor comprises an instruction set of programmed operations for operating on video data. The instruction set has an instruction which corresponds to a programmed operation for performing a motion estimation calculation between pixel data in frames of video data. The programmed operation causes the processor to calculate a measure of motion estimation at each of a plurality of search locations within a search window. The processor comprises a plurality of calculation units (6), each of the units (6) being operable to perform a calculation, or partial calculation, at a different search location. The plurality of calculation units (6) perform the calculations, or partial calculations, in parallel. The measure of motion estimation calculation is one of: a sum of absolute difference (SAD) calculation; a mean square error (MSE) calculation, a mean absolute error (MAE) calculation.
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