ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,561,765, issued on Feb. 24, was assigned to FOUR BY FOUR INC. (South Korea).
"Method of performing L0 smoothing on the basis of deep gradient prior information to improve sharpness" was invented by Jun Ho Yun (Gimpo-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "In an embodiment of the present inventive concept, there is provided an 0 smoothing method performed on the basis of deep gradient prior information to improve sharpness of an image by an image quality improving device, and the method comprises: a gradient-improved image generation step of generating a gradient-improved image by minimizing the gradients of pixels of an original i...