US Patent Issued to Velos Media on Aug. 11 for "Multi-level significance maps for encoding and decoding" (American, Canadian Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,707,053, issued on Aug. 11, was assigned to Velos Media LLC.

"Multi-level significance maps for encoding and decoding" was invented by Nguyen Nguyen (Seattle), Tianying Ji (Albany, Calif.) and Dake He (Waterloo, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods of encoding and decoding for video data are described in which multi-level significance maps are used in the encoding and decoding processes. The significant-coefficient flags that form the significance map are grouped into contiguous groups, and a significant-coefficient-group flag signifies for each group whether that group contains no non-zero significant-coefficient flags. If ther...