ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,462,423, issued on Nov. 4, was assigned to NVIDIA Corp. (Santa Clara, Calif.).

"Scene embedding for visual navigation" was invented by Abel Karl Brown (Dumfries, Va.) and Robert Stephen DiPietro (Baltimore).

According to the abstract* released by the U.S. Patent & Trademark Office: "Navigation instructions are determined using visual data or other sensory information. Individual frames can be extracted from video data, captured from passes through an environment, to generate a sequence of image frames. The frames are processed using a feature extractor to generate frame-specific feature vectors. Image triplets are generated, including a representative image frame (or corresponding fea...