Matching-pixel sub-sampling motion estimation method for video compression
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United States of America Patent
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Apr 16, 2013
Grant Date -
Apr 16, 2009
app pub date -
Oct 10, 2007
filing date -
Oct 10, 2007
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Abstract
Sub-sampling pattern design for motion estimation in video compression. A motion estimation method divides a first frame into a plurality of macroblocks, performs block matching for a current macroblock pair on a candidate macroblock pair of a second frame. The current macroblock pair and the candidate macroblock pair are sampled according to a sub-sampling pattern, and an error measure between the current and candidate macroblock pairs is calculated. The sub-sampling pattern is constructed by a plurality of repeating units, and each repeating unit is composed of a first and a second pattern unit.
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