Compressed Sensing MRI Reconstruction from Highly Undersampled -Space Data Using Nonsubsampled Shearlet Transform Sparsity Prior

Figure 5

Magnitude of reconstruction error for T2wBrain_slice_10 with the gray scale of . (a)~(e) The difference images between fully sampled MR image (a) and reconstruction images (c)~(g) in Figure 4, respectively. The RLNEs of them are 0.1316, 0.2461, 0.1331, 0.1192, and 0.0894, respectively.

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