US Patent Issued to Apple on Feb. 25 for "Video compression with in-loop sub-image level controllable noise generation" (California Inventors)

ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,238,342, issued on Feb. 25, was assigned to Apple Inc. (Cupertino, Calif.).

"Video compression with in-loop sub-image level controllable noise generation" was invented by Hye-Yeon Cheong (Los Gatos, Calif.), David W. Singer (San Francisco) and Alexandros Tourapis (Los Gatos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system comprises an encoder configured to compress video data using an in-loop noise generation process that generates noise in the compression loop at a sub-image portion level of granularity, such as at a block level. The encoder includes noise model and/or noise model input parameter information in an encoded bit stream. Als...