Optimization-based image reconstruction in x-ray computed tomography by sparsity exploitation of local continuity and nonlocal spatial self-similarity
Zhang Han-Ming, Wang Lin-Yuan, Li Lei, Yan Bin†, 
, Cai Ai-Long, Hu Guo-En
, Cai Ai-Long, Hu Guo-En Image reconstruction of the CS-phantom from noise-free projection dataset. Results obtained from (a) FBP, (b) TV-ADM, and (c) HTV-ADM methods. Display window is [0, 1].
