ALEXANDRIA, Va., April 7 -- United States Patent no. 12,598,313, issued on April 7, was assigned to QUALCOMM Inc. (San Diego).
"Extended low-frequency non-separable transform (LFNST) designs with worst-case complexity handling" was invented by Hilmi Enes Egilmez (San Diego), Vadim Seregin (San Diego) and Marta Karczewicz (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "A video decoder can be configured to determine a number of allowed non-zero coefficients for a block of video data based on a size of the block; obtain a set of dequantized coefficients for the block, wherein the set of dequantized coefficients comprises a first subset of dequantized coefficients that includes non-zero dequantized coe...