US Patent Issued to Panasonic Intellectual Property Corporation of America on March 17 for "Encoder, decoder, encoding method, and decoding method" (Japanese Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,077, issued on March 17, was assigned to Panasonic Intellectual Property Corporation of America (Torrance, Calif.).

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

According to the abstract* released by the U.S. Patent & Trademark Office: "An encoder includes circuitry and memory. Using the memory, the circuitry: performs a transform process of (i) applying a first transform to a prediction residual signal indicating a difference between a current block to be encoded and a prediction image of the current block and (ii) further applying a second transform to a tran...