US Patent Issued to KDDI on July 21 for "Image decoding device, method and program with prediction refinement optical flow" (Japanese Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,769, issued on July 21, was assigned to KDDI Corp. (Tokyo).

"Image decoding device, method and program with prediction refinement optical flow" was invented by Kyohei Unno (Saitama, Japan), Kei Kawamura (Saitama, Japan) and Sei Naito (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An image decoding device includes: a decoding unit configured to decode a first flag which is included in a slice header and controls enabling/disabling of PROF processing from encoded data; and an affine prediction signal generation unit configured to perform the PROF processing in a case where the first flag indicates that the PROF processing is enabled in...