US Patent Issued to Canon on April 15 for "Method, apparatus and system for encoding and decoding a tree of blocks of video samples" (Australian Inventor)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,955, issued on April 15, was assigned to Canon K.K. (Tokyo).

"Method, apparatus and system for encoding and decoding a tree of blocks of video samples" was invented by Christopher James Rosewarne (Concord West, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of decoding coding blocks of a coding tree unit for an image frame, from a bitstream. The method comprises determining a chroma format of the image frame, the chroma format having chroma channels of the image frame being subsampled relative to a luma channel of the image frame; and determining, based on the determined chroma format, a size of a chroma coding block of one of the ...