Accelerating Dynamic Cardiac MR Imaging Using Structured Sparse Representation

Figure 1

Experiment results in (a) 𝑅=3 and (b) 𝑅=4. Reconstructions at the 4th frame using 𝑘-𝑡 FOCUSS (the 1st column) and proposed method (the 3rd column) and their corresponding difference images (2nd and 4th columns).

(a)

(b)