US Patent Issued to TEXAS INSTRUMENTS on Sept. 16 for "Flexible region based sample adaptive offset (SAO) and adaptive loop filter (ALF)" (Massachusetts, Texas Inventors)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,418,646, issued on Sept. 16, was assigned to TEXAS INSTRUMENTS Inc. (Dallas).

"Flexible region based sample adaptive offset (SAO) and adaptive loop filter (ALF)" was invented by Vivienne Sze (Cambridge, Mass.) and Madhukar Budagavi (Plano, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for in-loop filtering in a video encoder is provided that includes determining filter parameters for each filtering region of a plurality of filtering regions of a reconstructed picture, applying in-loop filtering to each filtering region according to the filter parameters determined for the filtering region, and signaling the filter parameters for each fi...