US Patent Issued to HFI INNOVATION on May 13 for "Method and apparatus for adaptive loop filtering at picture and sub-picture boundary in video coding" (Taiwanese, American Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,886, issued on May 13, was assigned to HFI INNOVATION INC. (Zhubei, Taiwan).

"Method and apparatus for adaptive loop filtering at picture and sub-picture boundary in video coding" was invented by Chen-Yen Lai (Hsinchu, Taiwan), Ching-Yeh Chen (Hsinchu, Taiwan), Tzu-Der Chuang (Hsinchu, Taiwan) and Lulin Chen (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatus for video coding using Adaptive Loop Filter (ALF) processing are disclosed. According to one method, the ALF virtual boundary processing is always applied to the bottom CTU row regardless whether the bottom CTU row is for a picture or a sub-picture. In another...