ALEXANDRIA, Va., March 17 -- United States Patent no. 12,579,626, issued on March 17, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Text-based image anomaly detection" was invented by Sivan Harary (Manof, Israel), Assaf Arbelle (Lehvot Haviva, Israel) and Eliyahu Schwartz (Haifa, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "Method and apparatus for image processing. A plurality of positive text exemplars is processed to generate a set of normal features using a trained model. A plurality of negative text exemplars is processed to generate a set of anomaly features using the trained model. A query image depicting an object is received. A query image feature for the query imag...