ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,382,091, issued on Aug. 5, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).

"Methods of video encoding and/or decoding with bidirectional optical flow simplification on shift operations and related apparatus" was invented by Du Liu (Solna, Sweden) and Ruoyang Yu (Taby, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of performing bi-directional optical flow, BDOF, processing for a video sequence of images, with each image including a plurality of blocks with bidirectional-predicted inter coding blocks, BPICBs. The method includes obtaining a shifted pair of refinement parameters per a subblock of a bidirectional-predicte...