Abstract #4275
Accelerated T2 Prime Mapping using Dynamic Compressed Sensing with Patch-based Low-Rank Penalty
Dongwook Lee 1 , Eung Yeop Kim 2 , Huisu Yoon 1 , Sunghong Park 1 , and Jong Chul Ye 1
1
Korea Advanced Institute of Science and
Technology, Daejeon, Korea,
2
Gachon
University Gil Medical Center, Incheon, Korea
A compressed sensing algorithm is applied to T2 prime
mapping which is useful for diagnosis of cerebrovascular
disorders such as occlusive carotid disease and ischemic
stroke. The quantitative measure of parameter maps with
high resolution requires the acquisition of multiple
images. That is usually associated with long acquisition
times. To reduce the acquisition time of MR data, we use
a compressed sensing algorithm using patch based low
rank penalty for the reconstruction of T2 and T2-star
weighted images to obtain the T2 prime map.
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