US Patent Issued to Tencent America on July 1 for "Block-level window size update for arithmetic coding" (California Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,348,780, issued on July 1, was assigned to Tencent America LLC (Palo Alto, Calif.).

"Block-level window size update for arithmetic coding" was invented by Xin Zhao (San Jose, Calif.), Madhu Peringassery Krishnan (Mountain View, Calif.) and Shan Liu (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure relates to video coding with a block-level window size update for arithmetic coding. A probability update rate may be a function of count of appearances for the associated syntax/context when parsing a bitstream. It may also be a function of a number of different symbol values for the associated syntax/context. The value of the c...