ALEXANDRIA, Va., July 16 -- United States Patent no. 12,361,732, issued on July 15, was assigned to SRI International (Menlo Park, Calif.).

"System and method for efficient visual navigation" was invented by Han-Pang Chiu (West Windsor, N.J.), Zachary Seymour (Pennington, N.J.), Niluthpol C. Mithun (Lawrenceville, N.J.), Supun Samarasekera (Skillman, N.J.), Rakesh Kumar (West Windsor, N.J.), Kowshik Thopalli (Tempe, Ariz.) and Muhammad Zubair Irshad (Atlanta).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method, apparatus and system for efficient navigation in a navigation space includes determining semantic features and respective 3D positional information of the semantic features for scenes of captured i...