Anisotropic total variation minimization approach in in-line phase-contrast tomography and its application to correction of ring artifacts

Ji Dong-Jiang^{1, 2}, Qu Gang-Rong^{1, 3, †}, Hu Chun-Hong⁴, Liu Bao-Dong^{5, 6, 7}, Jian Jian-Bo⁸, Guo Xiao-Kun⁹

The performance of SART-anisotropic TV with respect to k: (a) k = 110, (b) k = 140, (c) k = 170, and the corresponding magnified regions: (d) magnified ROI with respect to k = 110, (e) magnified ROI with respect to k = 140, and (f) magnified ROI with respect to k = 170.