ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,767, issued on July 21, was assigned to Apple Inc. (Cupertino, Calif.).

"Method for encoding/decoding image signal, and device therefor" was invented by Bae Keun Lee (Seongnam-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for decoding an image according to the present invention may comprise the steps of: deriving a residual coefficient of a current block; dequantizing the residual coefficient; deriving a common residual signal by performing inverse transform of the dequantized residual coefficient; and deriving a first residual signal of a first chroma component and a second residual signal of a second chroma component on t...