ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,387,415, issued on Aug. 12, was assigned to Apple Inc. (Cupertino, Calif.).
"Compression of attribute values comprising unit vectors" was invented by Khaled Mammou (Danville, Calif.), Deepak S Tolani (Sunnyvale, Calif.) and Alexandros Tourapis (Los Gatos, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system compresses and decompresses attribute information for visual volumetric content, such as a mesh representation. Attribute values are included in the visual volumetric representation, wherein at least some of the attribute values include unitary vectors, such as surface normal vectors or surface tangent vectors having a magnitude of one unit...