Accelerating Dynamic Cardiac MR Imaging Using Structured Sparse Representation

Figure 2

Experiment results of the second dataset in (b) 𝑅=3 and (c) 𝑅=4. Reconstructions at the 15th frame using 𝑘-𝑡 FOCUSS (the 1st column) and proposed method (the 3rd column) and their corresponding difference images. (a) is the full FOV and ROI reference.

(a)

(b)

(c)