Fig. 9.

Comparisons of different reconstruction schemes on a stress myocardial perfusion MRI dataset with breathing motion: Retrospective sampling was considered by picking 24 radial rays/frame from the acquired 72 ray data; the rays closest to the golden ratio pattern was chosen. Few spatial frames, the corresponding image time profile, error frames, and error in image time profile are shown for all the schemes. We specifically observe loss of important borders and temporal blur with the low rank and CS schemes while the blind CS reconstructions have crisper borders and better temporal fidelity. Also note from the columns d,e,f that the errors in the BCS scheme are less concentrated at the edges, compared to the other methods. This indicates that the edge details and temporal dynamics are better preserved in the BCS reconstructions.