US Patent Issued to Panasonic Intellectual Property Corporation of America on Oct. 27 for "Encoder, decoder, encoding method, and decoding method" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,777,155, issued on Oct. 27, was assigned to Panasonic Intellectual Property Corporation of America (Torrance, Calif.).

"Encoder, decoder, encoding method, and decoding method" was invented by Tadamasa Toma (Osaka, Japan), Takahiro Nishi (Nara, Japan), Kiyofumi Abe (Osaka, Japan) and Yusuke Kato (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An encoder includes circuitry and memory coupled to the circuitry. In operation, the circuitry: performs quantization on a plurality of transform coefficients of a current block to be encoded, using a quantization matrix when orthogonal transform is performed on the current block and secondary transform...