ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,810, issued on May 13, was assigned to TENCENT AMERICA LLC (Palo Alto, Calif.).
"Quantizer for lossless and near-lossless compression" was invented by Madhu Peringassery Krishnan (Mountain View, Calif.), Xin Zhao (Santa Clara, Calif.) and Shan Liu (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes code configured to cause a processor to obtain a video bitstream, the video bitstream including: a first quantization index value for a coefficient of a coded image; an offset value; a quantization step size that corresponds to the first quantization index value; a second quantization index value for another coefficient of t...