ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,513,333, issued on Dec. 30, was assigned to Sharp K.K. (Sakai, Japan).
"Video decoding apparatus and video coding apparatus" was invented by Tomonori Hashimoto (Sakai, Japan), Tomohiro Ikai (Sakai, Japan), Yukinobu Yasugi (Sakai, Japan) and Tomoko Aono (Sakai, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Video coding and decoding apparatuses that can enhance coding efficiency are provided. A video decoding apparatus according to an aspect of the present invention includes a parameter decoder configured to decode a transform coefficient and a coefficient sign prediction error from coded data, and a sign prediction unit configured to predict a sig...