US Patent Issued to Canon on March 18 for "Method, apparatus and system for encoding and decoding a block of video samples" (Australian Inventor)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,256,093, issued on March 18, was assigned to Canon K.K. (Tokyo).

"Method, apparatus and system for encoding and decoding a block of video samples" was invented by Jonathan Gan (Ryde, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method of decoding a sub-block of residual coefficients of a transform block from a video bitstream. The method comprises determining whether sign bit hiding is used for the sub-block, the determination based on a value of a transform skip flag determined for the sub-block and a value of a sign bit hiding flag associated with the sub-block; if sign bit hiding is not used, decoding a number of sign bits e...