Anisotropic total variation minimization approach in in-line phase-contrast tomography and its application to correction of ring artifacts
Ji Dong-Jiang1, 2, Qu Gang-Rong1, 3, †, Hu Chun-Hong4, Liu Bao-Dong5, 6, 7, Jian Jian-Bo8, Guo Xiao-Kun9
       

(color online) Schematic diagram of an in-line phase contrast imaging setup.