ALEXANDRIA, Va., July 28 -- United States Patent no. 12,694,687, issued on July 28, was assigned to Honeywell International Inc. (Charlotte, N.C.).

"Methods and systems for detecting foreign objects on a landing surface" was invented by Zhiguo Ren (Shanghai), Alberto Speranzon (Plymouth, Minn.), Juan Hu (Shanghai) and Vijay Venkataraman (Plymouth, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are methods, systems, and computer-implemented method for detecting foreign objects on a landing surface. For instance, the method may include capturing an image from one or more cameras associated with a vehicle, detecting the landing surface present in the captured image, retrieving a reference image ...