US Patent Issued to Huawei Technologies on April 22 for "Layer based parameter set NAL unit constraints" (California Inventor)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,284,377, issued on April 22, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Layer based parameter set NAL unit constraints" 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 receiving a bitstream comprising a picture parameter set (PPS) in a PPS network abstraction layer (NAL) unit and a coded picture comprising a set of video coding layer (VCL) NAL units. A particular VCL NAL unit does not refer to the PPS NAL unit unless a value of a NAL unit header layer identifier (nuh_layer_id) of the PPS NAL unit is less than or equal to a value of a ...