ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,998, issued on April 15, was assigned to BEIJING BYTEDANCE NETWORK TECHNOLOGY Co. LTD. (Beijing) and BYTEDANCE INC. (Los Angeles).

"Scaling process for coding block" was invented by Kui Fan (San Diego), Li Zhang (San Diego), Kai Zhang (San Diego) and Yue Wang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems, and devices for luma mapping with chroma scaling for video and image coding are disclosed. An example method of video processing includes performing, for a current region comprising a luma block, a first chroma block, and a second chroma block, a conversion between the current region of a video and a bitstream representati...