ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,752, issued on Feb. 10, was assigned to SONY GROUP Corp. (Tokyo).
"Image processing device and method" was invented by Takeshi Tsukuba (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to an image processing device and method that enable the use of an encoding tool for bit-depth extension while maintaining compatibility with a specification that does not extend a bit depth of an image. An operation-range extension flag is encoded in accordance with a bit depth of an image, and operation-range extension tool control information is encoded in accordance with the operation-range extension flag. Alternatively, the oper...