US Patent Issued to Dolby Video Compression on Aug. 5 for "Coding of significance maps and transform coefficient blocks" (German Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,382,064, issued on Aug. 5, was assigned to Dolby Video Compression LLC (Wilmington, Del.).

"Coding of significance maps and transform coefficient blocks" was invented by Heiner Kirchhoffer (Berlin), Heiko Schwarz (Panketal, Germany), Tung Nguyen (Berlin), Detlev Marpe (Berlin) and Thomas Wiegand (Berlin).

According to the abstract* released by the U.S. Patent & Trademark Office: "A higher coding efficiency for coding a significance map indicating positions of significant transform coefficients within a transform coefficient block is achieved by the scan order by which the sequentially extracted syntax elements indicating, for associated positions within the transform coefficient block...