ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,439,073, issued on Oct. 7, was assigned to TENCENT AMERICA LLC (Palo Alto, Calif.).
"Transform coefficient zero-out" was invented by Xin Zhao (San Jose, Calif.), Xiang Li (Saratoga, Calif.) and Shan Liu (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the disclosure provide methods and apparatuses for video encoding and/or decoding. In some examples, an apparatus for video decoding includes processing circuitry that can decode coded information of a transform block (TB) from a coded video bitstream. The coded information indicates a region of the TB on which a secondary transform is applied. The region includes a first sub-regi...