ALEXANDRIA, Va., July 15 -- United States Patent no. 12,666,064, issued on June 23, was assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) (Stockholm).
"Independent subpicture film grain" was invented by Rickard Sjoberg (Stockholm), Martin Pettersson (Vallentuna, Sweden) and Mitra Damghanian (Upplands-Bro, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to one aspect, a method is provided for applying film grain to a picture decoded from a bitstream. The method includes decoding region information from syntax elements in the bitstream. The method includes deriving, based on the region information, a number of regions in the picture, wherein the number of regions is at least two. The method in...