ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,436,540, issued on Oct. 7, was assigned to Wing Aviation LLC (Palo Alto, Calif.).

"Using UAV flight patterns to enhance machine vision detection of obstacles" was invented by Ali Shoeb (San Rafael, Calif.) and Marcus Hammond (Redwood City, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A technique for detection of an obstacle by a UAV includes arriving above a location at a first altitude by the UAV; navigating a descent flight pattern from the first altitude towards the location; acquiring aerial images of the location below the UAV with a camera system disposed onboard the UAV; and analyzing the aerial images with a machine vision system dispose...