ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,425,596, issued on Sept. 23, was assigned to TENCENT AMERICA LLC (Palo Alto, Calif.).
"Systems and methods for dependent quantization based on current dequantization states" was invented by Madhu Peringassery Krishnan (Palo Alto, Calif.), Lien-Fei Chen (Palo Alto, Calif.), Biao Wang (Palo Alto, Calif.), Xin Zhao (Palo Alto, Calif.), Roman Chernyak (Palo Alto, Calif.) and Shan Liu (Palo Alto, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An example method of video coding includes receiving a video bitstream that includes a plurality of blocks and a plurality of quantized transform coefficients. The method includes deriving a dequantized transfor...