US Patent Issued to Canon on Sept. 23 for "Image coding apparatus, image coding method, and storage media" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,425,653, issued on Sept. 23, was assigned to Canon K.K. (Tokyo).

"Image coding apparatus, image coding method, and storage media" was invented by Masato Shima (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An orthogonal transform unit orthogonally transforms prediction residuals in a block of a PxQ array of pixels, thereby generating an NxM (N is an integer satisfying Ngreater thanP, and M is an integer satisfying Mgreater thanQ) array of orthogonal transform coefficients. A quantization unit quantizes the NxM array of the orthogonal transform coefficients using at least a quantization matrix of an NxM array of elements, and thereby generates an...