ALEXANDRIA, Va., July 9 -- United States Patent no. 12,355,961, issued on July 8, was assigned to Canon K.K. (Tokyo).

"Adaptive loop filter" 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 comprises obtaining for a slice containing one or more coding tree blocks, data indicating a number of available alternative chroma filters, obtaining for a coding tree block in the slice, an alternative filter index identifying one of the available alternative chroma filters, and selecting the alternative c...