US Patent Issued to Huawei Technologies on June 30 for "Hypothetical reference decoder for gradual decoding refresh" (California Inventor)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,805, issued on June 30, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Hypothetical reference decoder for gradual decoding refresh" 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 into a bitstream a gradual decoding refresh (GDR) access unit (AU) and a buffering period (BP) supplemental enhancement information (SEI) message associated with the GDR AU. A hypothetical reference decoder (HRD) is initialized based on the BP SEI message. A HRD conformance test is performed on the bitstream using the HRD. The bitstream is stored f...