Compressed Sensing MRI Reconstruction Algorithm Based on Contourlet Transform and Alternating Direction Method

Figure 1

Comparison of CS-MRI reconstruction results obtained from different algorithms. (a) Original MR image. (b) Variable density sampling pattern with sampling rate 0.2. ((c)–(h)) Reconstructed result from Algorithm 1 with contourlet transform, SparseMRI, ICOTA, FICOTA, SpaRSA, and Algorithm 1 with wavelet transform.

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