Two-Layer Tight Frame Sparsifying Model for Compressed Sensing Magnetic Resonance Imaging

Figure 2

Visual quality comparison on PD-weighted and physical phantom MR images reconstructed by the four approaches from 2D randomly undersampled -space data (9.312%). From left to right: ground truth image and images reconstructed by the DDTF, DLMRI, GradDLRec, and proposed TRIMS; each one has an enlarged region for a closer comparison.

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