U-Net Neural Network for Locating Midpoint of Insertion Zone of Transcatheter Aortic Valves in CTA Images. - Eduardo Mineo; Antonildes N. Assunção Jr.; Thamara Morais; Sérgio F. Câmara; Henrique B. Ribeiro; John A. Sims; Cesar H. Nomura (CinC, 2021)