Combined loop filtering for image processing

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United States of America Patent

PATENT NO 11924416
APP PUB NO 20220329791A1
SERIAL NO

17620981

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Abstract

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In an image processing device (i.e. encoder or decoder), the number of loop filter stages is lowered by combining bilateral loop filtering (or Hadamard loop filtering) with either sample Adaptive Offset Filtering (SAO) or Adaptive Loop Filtering (ALF). This avoids the implementation problems associated with too many loop filter stages and provides approximately the same compression efficiency gain as having separate loop filter stages.

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Patent Owner(s)

  • TELEFONAKTIEBOLAGET LM ERICSSON ( PUBL)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ström, Jacob Stockholm, SE 131 980
Wennersten, Per Årsta, SE 75 808

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