Accelerated myocardial perfusion MRI using motion compensated compressed sensing (MC-CS)
نویسندگان
چکیده
single coil from a stress perfusion exam is considered. Few spatial frames and the image time profile are shown for the temporal TV constrained reconstruction (first row), and the proposed method (second row). The TV reconstruction had temporal blurring especially evident in frames with high motion (see arrows in top row). In contrast, the proposed scheme had crisper images with better temporal fidelity (see arrows in bottom row). Also shown in the bottom row is the warped time series using the estimated motion maps. Fig.1 Simulation results: Few spatial frames and the image time profile are shown for the fully sampled data (top row), temporal TV constrained reconstruction (second row), and the proposed method (third row). The TV reconstruction lost significant temporal detail due to motion blurring. The proposed motion estimation compensation reconstruction scheme was able to correct for these artifacts, and obtained robust reconstructions with high spatio-temporal fidelity. The warped time series using the estimated motion maps is also shown in (j). 6686 Accelerated myocardial perfusion MRI using motion compensated compressed sensing (MC-CS) Sajan Goud Lingala, Edward DiBella, and Mathews Jacob The University of Iowa, Iowa city, IA, United States, University of Utah, Salt lake city, UT, United States
منابع مشابه
A generalized motion compensated compressed sensing scheme for highly accelerated myocardial perfusion MRI
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