Video deblocking filter

CAFC
  • US 8,139,651 B2
  • Filed: 05/26/2010
  • Issued: 03/20/2012
  • Est. Priority Date: 09/20/2004
  • Status: Active Grant
First Claim
Patent Images

1. A method of deblocking a reconstructed video frame, comprising:

  • identifying a boundary between two blocks of the reconstructed video frame;

    determining the level of detail of the reconstructed video frame across a region in which the block boundary is located, wherein the region includes pixels from multiple rows and multiple columns of the reconstructed video frame that encompass pixels immediately adjacent to at least two sides of the block boundary and includes at least one pixel that is not immediately adjacent to the block boundary;

    selecting a filter to apply to predetermined pixels on either side of the block boundary based upon the determined level of detail.

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