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METHOD AND APPARATUS FOR SPARSITY-BASED DE-ARTIFACT FILTERING FOR VIDEO ENCODING AND DECODING

  • US 20110222597A1
  • Filed: 11/18/2009
  • Published: 09/15/2011
  • Est. Priority Date: 11/25/2008
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • an encoder (400, 600, 800) for encoding at least a portion of an image by grouping regions within the portion based on a grouping metric, transforming the grouped regions, adaptively performing de-artifact filtering on the transformed regions using a de-artifacting filter (465, 613, 813) comprised in the encoder, inverse transforming the de-artifacted regions to create replacement regions, and restoring the replacement regions to positions with the image from which the regions were taken prior to the grouping.

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