Method, system and device for improving video quality through in-loop temporal pre-filtering
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United States of America Patent
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May 5, 2015
Grant Date -
Jan 3, 2013
app pub date -
Jul 10, 2012
filing date -
Sep 19, 2005
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Abstract
A method, system and device are provided for pre-filtering device for filtering a video signal prior to digitally encoding. The method includes receiving at least one input picture and at least one reconstructed picture from an encoding process and performing an in-loop temporal filtering process using at least one input picture and at least one reconstructed picture from an encoding process to output a pre-filtered video signal for use in an encoding process. The result is enabling an encoding process to produce an output with increased temporal correlation between adjacent pictures regardless of the coding type, since the artifacts introduced by the encoding process are also considered by the process.
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