Motion vector search method and apparatus
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United States of America Patent
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Issued Date -
Dec 16, 2004
app pub date -
Jun 10, 2004
filing date -
Jun 11, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A motion vector (MV) search method including: searching for an integer-pixel MV among integer pixels and choosing an integer pixel corresponding to the integer-pixel MV; searching for a half-pixel MV among half pixels around the chosen integer pixel and choosing a half pixel corresponding to the half-pixel MV; and searching, when the half pixel is chosen, for a quarter-pixel MV among only specified quarter pixels disposed between the chosen integer pixel and the chosen half pixel and around the chosen half pixel and choosing a quarter pixel corresponding to the quarter-pixel MV.
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