ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,771,880, issued on Oct. 20, was assigned to Dolby Laboratories Licensing Corp. (San Francisco).
"Quantization parameter signaling" was invented by Fangjun Pu (Sunnyvale, Calif.), Taoran Lu (Santa Clara, Calif.), Peng Yin (Ithaca, N.Y.) and Sean Thomas McCarthy (San Francisco).
According to the abstract* released by the U.S. Patent & Trademark Office: "A quantization parameter signaling mechanism for both SDR and HDR content in video coding is described using two approaches. The first approach is to send the user-defined QpC table directly in high level syntax. This leads to more flexible and efficient QP control for future codec development and video content coding. The second approa...