ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,483,705, issued on Nov. 25, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Image decoding method and device" was invented by Sunmi Yoo (Seoul, South Korea), Junghak Nam (Seoul, South Korea) and Jungah Choi (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An image decoding method performed by a decoding device according to the present disclosure comprises the steps of: deriving neighboring samples for sign prediction of a current block; deriving costs of sign combination candidates for transform coefficients of the current block on the basis of the neighboring samples; predicting signs of the transform coefficients from th...