ALEXANDRIA, Va., July 16 -- United States Patent no. 12,363,322, issued on July 15, was assigned to InterDigital VC Holdings Inc. (Wilmington, Del.).
"Method and apparatus for video encoding and decoding based on adaptive coefficient group" was invented by Fabrice Leleannec (Betton, France), Tangi Poirier (Thorigne-fouillard, France) and Ya Chen (Rennes, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "Various implementations for video encoding and decoding are presented involving determining, for a block being encoded or decoded in a picture, a coefficient group mode for coding at least one coefficient of a set of transform coefficients of the image block; encoding or decoding the set of transform coef...