ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,425,612, issued on Sept. 23, was assigned to Ofinno LLC (Reston, Va.).
"Intra block copy vector difference wrap around" was invented by Damian Ruiz Coll (Reston, Va.) and Vikas Warudkar (Herndon, Va.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A decoder receives, from a bitstream, an indication of a block vector predictor (BVP) and a first block vector difference (BVD) for a current block. The decoder determines a second BVD based on: the first BVD and whether a location displaced from the current block by a sum of the BVP and the first BVD is outside a reference region. The decoder calculates a block vector (BV) based on a sum of the second BVD and...