Abstract #3700
In vivo pulse sequence design for acceleration of T2 mapping using Compressed sensing with Patch-based Low-Rank Penalty
Dongwook Lee 1 , Sunghong Park 1 , Chuan Huang 2 , Eung Yeop Kim 3 , and Jong Chul Ye 1
1
KAIST, Daejeon, Daejeon, Korea,
2
Harvard
Medical School, Boston, United States,
3
Department
of Radiology, Gachon University Gil Hospital, Incheon,
Korea
Purpose of this study is in vivo acceleration of T2
parameter mapping. To achieve this purpose, random
undersampled mask is applied on the pulse sequence of 2D
multi-echo spin echo. The images are reconstructed using
compressed sensing algorithm with patch based low-rank
penalty. And common mono-exponential fitting is used to
generate T2 map. The acceleration times are remarkably
reduced.
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