ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,720,070, issued on Aug. 25, was assigned to Dolby Laboratories Licensing Corp. (San Francisco).
"Method and system for picture segmentation using columns" was invented by Michael Horowitz (Austin, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described is picture segmentation through columns and slices in video encoding and decoding. A video picture is divided into a plurality of columns, each column covering only a part of the video picture in a horizontal dimension. All coded tree blocks ("CTBs") belonging to a slice may belong to one or more columns. The columns may be used to break the same or different prediction or in-loop filtering mechani...