US Patent Issued to KT on July 22 for "Method and apparatus for encoding/decoding residual data based on a plurality of transformations" (South Korean Inventor)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,368,891, issued on July 22, was assigned to KT Corp. (Gyeonggi-do, South Korea).

"Method and apparatus for encoding/decoding residual data based on a plurality of transformations" was invented by Bae Keun Lee (Gyeonggi-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An image decoding method according to the present invention can comprise the steps of: acquiring residual coefficients of a current block; dequantizing the residual coefficients; performing secondary inverse transformation on the dequantized residual coefficients; and performing primary inverse transformation on the performance result of the secondary inverse transformation. T...