US Patent Issued to Canon on April 22 for "Method, apparatus and system for encoding and decoding a tree of blocks of video samples" (Australian Inventor)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,284,362, issued on April 22, 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 system and method of decoding a transform block for a colour channel of an image frame from a video 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; determining a coefficient group size of the transform block, the coefficient group s...