ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,718,449, issued on Aug. 25, was assigned to Mayo Foundation for Medical Education and Research (Rochester, Minn.).

"Metal artifact reduction algorithm for CT-guided interventional procedures" was invented by Christopher P. Favazza (Rochester, Minn.), Andrea Ferrero (Rochester, Minn.) and Liqiang Ren (Rochester, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Metal artifacts are reduced in x-ray computed tomography ("CT") images using a suitably trained neural network, such as a convolutional neural network ("CNN"). Virtual metal DATA objects are inserted to either the raw projection data or CT image data (e.g., from pre-procedural CT scans) to gene...