US Patent Issued to INTERDIGITAL MADISON PATENT HOLDINGS on Dec. 30 for "Methods and apparatus for unified significance map coding" (California, Pennsylvania, New York Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,854, issued on Dec. 30, was assigned to INTERDIGITAL MADISON PATENT HOLDINGS SAS (Paris).

"Methods and apparatus for unified significance map coding" was invented by Xiaoan Lu (Yardley, Pa.), Joel Sole (San Diego), Peng Yin (Ithaca, N.Y.), Qian Xu (Folsom, Calif.) and Yunfei Zheng (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatus are provided for unified significance map coding. An apparatus includes a video encoder (400) for encoding transform coefficients for at least a portion of a picture. The transform coefficients are obtained using a plurality of transforms. One or more context sharing maps are generated f...