ALEXANDRIA, Va., July 16 -- United States Patent no. 12,363,276, issued on July 15, was assigned to Alibaba Group Holding Ltd. (Grand Cayman, Cayman Islands).
"Sign data hiding of video recording" was invented by Mohammed Golam Sarwer (Cupertino, Calif.) and Yan Ye (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a method of encoding a video sequence into a bitstream, an encoder determines, based on a value of a first encoded flag, whether to encode a second flag into the bitstream. The first flag indicates whether sign data hiding is turned off at a slice level for a video frame. The second flag indicates whether transform skip residual coding is turned off at the slice level for the video frame...