ALEXANDRIA, Va., May 19 -- United States Patent no. 12,634,461, issued on May 19, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).
"Method and device for encoding or decoding image" was invented by Elena Alshina (Suwon-si, South Korea), Mikhail Mishurovskiy (Moscow, South Korea) and Alexander Alshin (Suwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An image decoding method and apparatus according to an embodiment may extract, from a bitstream, a quantization coefficient generated through core transformation, secondary transformation, and quantization; generate an inverse-quantization coefficient by performing inverse quantization on the quantization coefficient; gener...