Combined Similarity to Reference Image with Joint Sparsifying Transform for Longitudinal Compressive Sensing MRI

Figure 1

Sampling pattern and reconstructed images based on similarity within repeated scans scenario. (a) Sampling pattern with 2% of K-space data sampled. (b) Sampling pattern with 6% of K-space data sampled. (c) The ground truth. (d) Reconstructed image of wavelet transform. (e) Reconstructed image of Contourlet transform. (f) Reconstructed image of joint sparsifying transform.

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