Region adaptive motion compensated dynamic CS for cardiac perfusion imaging
Huisu Yoon 1 and Jong Chul Ye 1
Dept. of Bio & Brain Engineering, KAIST,
One of important applications of dynamic
contrast-enhanced (DCE) MRI is to observe brain tissue
dynamics. In this work, we applied a dynamic compressed
sensing (CS) with patch-based non-convex low-rank
penalty1 for 3D DCE-MRI to exploit temporal redundancy
of the dynamic images to improve the spatiotemporal
resolution of the conventional GRAPPA2 reconstruction.
Experiments show that the proposed method provided
improved spatio-temporal resolution than GRAPPA
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