Motion compensated de-blocking
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United States of America Patent
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Apr 26, 2016
Grant Date -
May 16, 2013
app pub date -
Nov 10, 2011
filing date -
Nov 10, 2011
priority date (Note) -
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Abstract
Digital noise removal methods and systems for picture quality improvement on next generation high quality set-top-box and digital TV SOCs is disclosed with particular to a de-blocking method and system that is effective on on-grid and off-grid blocky artifacts generated by lossy video compression standards. Blocky artifacts are filtered by extracting motions vectors for a current pixel block, calculating off-grid positions based on the extracted motion vectors, and applying de-blocking filtering along the calculated off-grid positions. The methods and systems can further skip filtering on-grid blocky artifacts to be filtered by an on-grid de-blocking filter known in the art.
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