US Patent Issued to INTERDIGITAL VC HOLDINGS on Nov. 4 for "Complexity reduction and bit-width control for bi-directional optical flow" (California, New Jersey Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,117, issued on Nov. 4, was assigned to INTERDIGITAL VC HOLDINGS INC. (Wilmington, Del.).

"Complexity reduction and bit-width control for bi-directional optical flow" was invented by Xiaoyu Xiu (San Diego), Yuwen He (San Diego), Yan Ye (San Diego) and Jiancong Luo (Skillman, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are described for reducing the complexity of using bi-directional optical flow (BIO) in video coding. In some embodiments, bit-width reduction steps are introduced in the BIO motion refinement process to reduce the maximum bit-width used for BIO calculations. In some embodiments, simplified interpolation filte...