Apparatus and method for error concealment
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United States of America Patent
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Issued Date -
Mar 23, 2006
app pub date -
Sep 17, 2004
filing date -
Sep 17, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides an apparatus and a method for error concealment. The control core receives an input signal and identifies an error macro-block in a column of slice of a frame and a frame type of the frame. The parameter computation module receives a plurality of DCT coefficients and temporal data to derive at least a coefficient for the weighting in an adaptive computation for the frame. The temporal compensation module computes the temporal data to obtain a result of the temporal compensation. The spatial processing module computes spatial data to obtain a result of the spatial processing. The adaptive processing module proceeds the adaptive computation with the coefficient for the weighting derived by the parameter computation module, the result of the temporal compensation and the result of the spatial processing, and generates a result of the adaptive processing. The spatial processing may be a bilinear interpolation or a spatial interpolation.
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