ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,470,732, issued on Nov. 11, was assigned to GOOGLE LLC (Mountain View, Calif.).
"Palette mode coding with designated bit depth precision" was invented by Cheng Chen (Milpitas, Calif.), Jingning Han (Santa Clara, Calif.), Hui Su (Sunnyvale, Calif.) and Yaowu Xu (Saratoga, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Syntax elements are written to a bitstream to designate bit depth precision for palette mode coding of video blocks. During encoding, a bit depth to use for palette mode coding a current block may be based on an input video signal including the current block or based on some change in bit depth precision. A prediction residual for th...