ALEXANDRIA, Va., March 19 -- United States Patent no. 12,256,102, issued on March 18, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Image coding using transform index" was invented by Junghak Nam (Seoul, South Korea), Jaehyun Lim (Seoul, South Korea), Moonmo Koo (Seoul, South Korea) and Seunghwan Kim (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An image decoding method according to the present document comprises the steps of: receiving image information including residual information for a current block; and generating residual samples of the current block on the basis of the residual information, wherein the residual information includes information on transform coefficien...