ALEXANDRIA, Va., March 12 -- United States Patent no. 12,250,374, issued on March 11, was assigned to CANON K.K. (Tokyo).
"Adaptive loop filtering (ALF) with non-linear clipping" was invented by Jonathan Taquet (Talensac, France), Christophe Gisquet (Acigne, France), Guillaume Laroche (Saint Aubin d'Aubigne, France) and Patrice Onno (Rennes, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of controlling an Adaptive Loop Filter for one or more image portions of an image, the method comprising controlling filtering on a first sample of an image portion based on one or more neighbouring sample value(s) of the first sample value, wherein the controlling uses a nonlinear function which has one or m...