A Weighted Two-Level Bregman Method with Dictionary Updating for Nonconvex MR Image Reconstruction

Figure 7

Comparison of reconstructing a physical phantom MR image with noise of . ((a), (b), and (c)) Reconstructions using DLMRI, TBMDU, and WTBMDU at 5-fold undersampling, respectively. ((d) and (e)) Enlargements of the references (a), (b), and (c).

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