Fast full search motion estimation with SIMD merge instruction
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United States of America Patent
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Mar 23, 2010
Grant Date -
Jul 3, 2003
app pub date -
Oct 25, 2002
filing date -
Oct 29, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A method for a fast full search motion estimation with SIMD merge instruction. The method of one embodiment comprises loading a first line of K data elements for a current macroblock. A first set of L data elements and a second set of L data elements for pixels in a search window are loaded. A shift right merge operation is performed on the first and second sets of data elements to generate a second line of K data elements. A first sum of absolute differences value between said first line and said second line is calculated. The first sum of absolute differences value is accumulated to a first total for a first reference macroblock.
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