ALEXANDRIA, Va., July 14 -- United States Patent no. 12,684,125, issued on July 14, was assigned to SONY GROUP Corp. (Tokyo).
"Binarization of dQP using separate absolute value and sign (SAVS) in CABAC" was invented by Jun Xu (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Video coding systems or apparatus utilizing context-based adaptive binary arithmetic coding (CABAC) during encoding and/or decoding, are configured according to the invention with an enhanced binarization of non-zero Delta-QP (dQP). During binarization the value of dQP and the sign are separately encoded using unary coding and then combined into a binary string which also contains the dQP non-zero flag. This invention capi...