ALEXANDRIA, Va., June 10 -- United States Patent no. 12,294,726, issued on May 6, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Luma-mapping-based video or image coding" was invented by Jie Zhao (Seoul, South Korea) and Seunghwan Kim (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to the disclosure of the present document, LMCS may also be applied to a block having a dual tree structure. In addition, the number of LMCS APS may be limited. Therefore, an LMCS procedure may be efficiently performed, and the complexity of LMCS may be reduced. As the performance of LMCS is improved, the video/image coding efficiency may be increased."
The patent was filed on Jan. 16, 202...