ALEXANDRIA, Va., May 12 -- United States Patent no. 12,627,801, issued on May 12, was assigned to Canon K.K. (Tokyo).

"Method and apparatus for encoding and decoding a video stream with subpictures" was invented by Nael Ouedraogo (Val d'Anast, France) and Franck Denoual (Saint Domineuc, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "An encoding method comprising the encoding of information allowing the decoder to infer the splitting of CTBs located at the right, respectively the bottom of a subpicture, which width, respectively height, is not a multiple of the size of the CTBs, when the subpicture is not located at the right, respectively the bottom, of the image. Corresponding decoding methods for th...