ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,771,878, issued on Oct. 20, was assigned to Tencent America LLC (Palo Alto, Calif.).
"Signaling of low dynamic range for image and video coding" was invented by Xin Zhao (Palo Alto, Calif.), Ding Ding (Palo Alto, Calif.) and Shan Liu (Palo Alto, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure relates generally to video coding and particularly to methods and systems for signaling of Low Dynamic Range (LDR) in video or image bitstream. For example, the disclosure describes implementations of manners for signaling whether LDR is applied and which one of LDRs is applied to a block at various singling levels, either explicitly or implic...