Ring artifact removal for differential phase-contrast X-ray computed tomography using a conditional generative adversarial network. - Zhuoran Huang; Naoki Sunaguchi; Daisuke Shimao; Atsushi Enomoto; Shu Ichihara; Tetsuya Yuasa; Masami Ando (Int. J. Comput. Assist. Radiol. Surg., 2021)