ASLAN, Muhammet Fatih, Akif Durdu, and Kadir Sabanci. “Fusion of CT and MR Liver Images by SURF-Based Registration”. International Journal of Intelligent Systems and Applications in Engineering 7, no. 4 (December 12, 2019): 216-221. Accessed May 26, 2020. https://ijisae.org/IJISAE/article/view/1067.