Video coding method of exploiting the temporal redundancy between successive frames
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United States of America Patent
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Jun 26, 2012
Grant Date -
Sep 14, 2006
app pub date -
Dec 17, 2003
filing date -
Dec 30, 2002
priority date (Note) -
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Abstract
The invention relates to a video coding method of exploiting the temporal redundancy between successive frames in a video sequence. A reference frame, called I-frame, is first approximated by a collection of geometric features, called atoms. The following predicted frames called, P-frames, are approximated by the geometric transformations of the geometric features (atoms) describing the previous frame. Preferably, the I-frame is approximated by a linear combination of N atoms (formula), selected in a redundant, structured library. They are indexed by a string of parameters representing the geometric transformations applied to the generating mother function g(x,y) and the cn are weighting coefficients.
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