US Patent Issued to Tencent America on Oct. 7 for "Entropy coding of sign map for transform coefficients" (California Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,439,095, issued on Oct. 7, was assigned to Tencent America LLC (Palo Alto, Calif.).

"Entropy coding of sign map for transform coefficients" was invented by Madhu Peringassery Krishnan (Mountain View, Calif.), Xin Zhao (San Jose, Calif.) and Shan Liu (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, apparatus, and computer readable storage medium for implementation of entropy encoding of sign value of transform coefficient. The method includes receiving a first data block comprising a first transform coefficient from a coded video bitstream for the video data; and performing entropy decoding of a sign value of the first transform c...