Video encoding and decoding using reference pictures
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United States of America Patent
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Jul 28, 2015
Grant Date -
Dec 27, 2012
app pub date -
Jun 25, 2012
filing date -
Jun 27, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In the encoding of video data, a list of references pictures is constructed to be used in decoding. Prediction (direction) modes are defined by n-tuples (x0, x1, . . . , xM-1), where xm specifies prediction option of the m-th component of the motion vector field, m=0, . . . , M-1, where M components to the motion fields exist; where a coding option xm is an element from a set composed of all defined combinations of motion prediction modes and reference picture indices, with the addition of an option “/”, xmε{“/”, 0, 1, . . . , rm−1}; where option “/” specifies that the component is not used, and other options 0, 1, . . . , rm−1 specify one of rm combinations. A subset of all possible n-tuples is provided and a prediction mode used for predicting an inter-coded block is defined by reference to that subset.
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