ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,395,657, issued on Aug. 19, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Scalable nesting SEI message management" was invented by Ye-Kui Wang (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "A video coding mechanism is disclosed. The mechanism includes encoding a bitstream comprising one or more output layer sets (OLSs). A sub-bitstream extraction process is performed by a hypothetical reference decoder (HRD) to extract a target OLS from the OLSs. A supplemental enhancement information (SEI) network abstraction layer (NAL) unit that contains a scalable nesting SEI message is removed from the bitstream when no scalable-nested...