US Patent Issued to MediaTek on Sept. 8 for "Method and apparatus of decoder-side motion vector refinement and bi-directional optical flow for video coding" (Taiwanese Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,732,619, issued on Sept. 8, was assigned to MediaTek Inc. (Hsin-Chu, Taiwan).

"Method and apparatus of decoder-side motion vector refinement and bi-directional optical flow for video coding" was invented by Chen-Yen Lai (Hsinchu City, Taiwan), Tzu-Der Chuang (Hsinchu City, Taiwan), Ching-Yeh Chen (Hsinchu City, Taiwan), Chih-Wei Hsu (Hsinchu City, Taiwan) and Yu-Wen Huang (Hsinchu City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Method and apparatus of using bi-directional prediction to refine MV are disclosed. According to one method, a sample-based refinement and a subblock-based refinement are determined for the current block. A final refi...