ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,073, issued on March 17, was assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) (Stockholm).
"Video encoding and decoding" was invented by Rickard Sjoberg (Stockholm), Mitra Damghanian (Upplands-Bro, Sweden) and Martin Pettersson (Vallentuna, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A decoder can be configured to decode a picture from a bitstream in which the picture is partitioned into a plurality of tile groups. The decoder can decode a first part of the bitstream (including parameter set data) to form a size mapping that maps a tile group index value to a number of tiles to be decoded for a first tile group. The decoder can further ...