ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,987, issued on March 18.

"Adversarial perturbation filters for artificial intelligence" was invented by Byunggu Yu (North Potomac, Md.) and Ari Knausenberger (Germantown, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A perturbation filtering system that employs a separate Filter AI to learn and filter injected noise from perturbed data fed to an existing AI System for continued operation in an adversarial situation. The Filter AI may be connected to the input data of the Supported AI so that all input data go through the Filter AI before reaching the Supported AI. Alternatively, Filter AI may be connected to the blocked data output of an AI Fi...