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

Figure 11

Objective assessment indices of five methods for T2-weighted brain image (256 × 256) of slice 10 with variable density random sampling mask with different sampling rates. (a)~(d) PSNR, SSIM, RLNE, and TEI versus sampling rate, respectively.

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