ALEXANDRIA, Va., March 5 -- United States Patent no. 12,244,800, issued on March 4, was assigned to InterDigital Madison Patent Holdings SAS (Paris).
"Coding tree partitioning" was invented by Tangi Poirier (Cesson-Sevigne, France), Franck Galpin (Cesson-Sevigne, France), Fabrice Urban (Cesson-Sevigne, France), Fabrice LeLeannec (Betton, France) and Philippe De LaGrange (Cesson-Sevigne, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "To encode a picture, a coding tree unit (CTU) in the picture is partitioned by a quadtree structure, and the quadtree leaf nodes can be further partitioned by a multi-type tree (MTT) structure. To increase the set of reachable coding tree nodes and leaves, we propose to in...