ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,982, issued on April 15, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Temporal motion vector predictor candidate-based image or video coding of subblock unit" was invented by Hyeongmoon Jang (Seoul, South Korea), Naeri Park (Seoul, South Korea) and Junghak Nam (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to the disclosure of the present document, a subblock position for deriving a subblock unit motion vector in a subblock-based temporal motion vector prediction (sbTMVP) can be efficiently calculated, thereby enabling video/image coding efficiency to increase and a simplifying effect for hardware implement...