ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,846, issued on May 27, was assigned to Dolby Video Compression LLC (Wilmington, Del.).

"Entropy coding of motion vector differences" was invented by Valeri George (Berlin), Benjamin Bross (Berlin), Heiner Kirchhoffer (Berlin), Detlev Marpe (Berlin), Tung Nguyen (Berlin), Matthias Preiss (Berlin), Mischa Siekmann (Berlin), Jan Stegemann (Berlin) and Thomas Wiegand (Berlin).

According to the abstract* released by the U.S. Patent & Trademark Office: "An entropy decoder is configured to, for horizontal and vertical components of motion vector differences, derive a truncated unary code from the data stream using context-adaptive binary entropy decoding with exactly one context per bin...