US Patent Issued to Dolby Laboratories Licensing on Oct. 21 for "Metadata signaling and conversion for film grain encoding" (Indian, American Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,452,441, issued on Oct. 21, was assigned to Dolby Laboratories Licensing Corp. (San Francisco).

"Metadata signaling and conversion for film grain encoding" was invented by Sean Thomas McCarthy (San Francisco), Peng Yin (Ithaca, N.Y.), Vijayakumar Gayathri Ramakrishna (Bengaluru, India), Kishore Chamarthi (Tirupathi, India) and Kaustubh Shripad Patankar (Bengaluru, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems, and bitstream syntax are described for metadata signaling and conversion for film grain encoding and synthesis. Given a bitstream with MPEG film-grain SEI messaging, for each picture, a processor: detects if the film grain ...