Edge adaptive deblocking filter and methods for use therewith
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United States of America Patent
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Feb 19, 2013
Grant Date -
Sep 2, 2010
app pub date -
Feb 27, 2009
filing date -
Feb 27, 2009
priority date (Note) -
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Abstract
A video filter processes a video input signal that includes a plurality of pixels in a plurality of macroblocks. The video filter includes an edge detector that processes a selected group of the plurality of pixels to generate a edge identification signal that identifies edge pixels in the selected group, wherein the edge detector is adapted based on a quantization parameter of at least one macroblock corresponding to the selected group of the plurality of pixels. An adaptive deblocking filter is coupled to receive the video input signal and to produce a processed video signal in response thereto, the adaptive deblocking filter being adaptive based on the edge identification signal.
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