MOTION-COMPENSATED RESIDUE BASED TEMPORAL SEARCH RANGE PREDICTION
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United States of America Patent
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Issued Date -
Jul 30, 2009
app pub date -
Jan 24, 2008
filing date -
Jan 24, 2008
priority date (Note) -
Abandoned
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Abstract
Efficient temporal search range predication for motion estimation in video coding is provided where complexity of using multiple reference frames in multiple reference frame motion estimation (MRFME) can be evaluated over a desired performance level. In this regard, a gain can be determined for using regular motion estimation or MRFME, and a number of frames if the latter is chosen. Thus, the computational complexity of MRFME and/or a large temporal search range can be utilized where it provides at least a threshold gain in performance. Conversely, if the complex calculations of MRFME do not provide sufficient benefit to the video block prediction, a smaller temporal search range (a less number of reference frames) can be used, or regular motion editing can be chosen over MRFME.
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