ALEXANDRIA, Va., March 5 -- United States Patent no. 12,244,805, issued on March 4, was assigned to QUALCOMM Inc. (San Diego).

"Chroma quantization parameter (QP) derivation for video coding" was invented by Adarsh Krishnan Ramasubramonian (Irvine, Calif.), Geert Van der Auwera (Del Mar, Calif.), Wei-Jung Chien (San Diego), Han Huang (San Diego), Yu Han (San Diego), Bappaditya Ray (La Jolla, Calif.) and Marta Karczewicz (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques are described for decoding video data. A video decoder may determine chroma blocks in a chroma quantization group (QG) of the video data, determine a quantization parameter predictor that is the same for each of the chroma b...