US Patent Issued to NIPPON HOSO KYOKAI on April 8 for "Encoding device, decoding device, encoding method, and decoding method" (Japanese Inventors)

ALEXANDRIA, Va., April 9 -- United States Patent no. 12,273,514, issued on April 8, was assigned to NIPPON HOSO KYOKAI (Tokyo).

"Encoding device, decoding device, encoding method, and decoding method" was invented by Atsuro Ichigaya (Tokyo) and Shunsuke Iwamura (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An encoding device 1 includes: a transformation unit 13 configured to calculate an orthogonal transform coefficient by performing an orthogonal transformation process on a residual image indicating a difference between the input image and a predicted image of the input image; a quantization unit 14 configured to generate a quantization coefficient by quantizing the orthogonal transform coefficient ...