US Patent Issued to Apple on Jan. 20 for "System and method for encoding and decoding spatial tiles of a still image based on applied quality levels" (Swedish, American Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,532,020, issued on Jan. 20, was assigned to Apple Inc. (Cupertino, Calif.).

"System and method for encoding and decoding spatial tiles of a still image based on applied quality levels" was invented by Leo Barnes (Haiar, Sweden) and Alexandros Tourapis (Los Gatos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Improved still image encoding techniques may include generating first items of a log and second items of coded tile-layer image data, where the log enumerates coding quality levels contained in the second items. The second items may include independent-type items, derived-type items of identity variant, and derived-type items with other vari...