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Abstract #2407

Hadamard and Sensitivity Encoding (H-SENSE) for Simultaneous Multi-Slice MR Imaging

Jong-Min Kim 1 , Junyong Park 2 , Chulhyun Lee 2 , and Chang-Hyun Oh 1

1 Electronic and information engineering, Korea University, Seongbuk-Gu, Seoul, Korea, 2 The MRI Team, Korea Basic Science Institute, Chungchungbuk-Do, Korea

A new two-step approach to simultaneously acquire multi-slice MR images (SMI) is proposed. Simultaneously excited slices are simultaneously encoded by using Hadamard matrix (HE)1 and parallel encoding method such as SENSE2. As previously reported, HE and SENSE for SMI is useful in many applications3, 4. However these method has low temporal resolution and/or high g-factors. The proposed Hadamard and Sensitivity encoding (H-SENSE) for SMI seems to be useful to overcome these limitations by optimally choosing slice combinations for SENSE coding. Furthermore, an optimal Hadamard coding combination for better SNR with g-factor reduction.

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