Abstract #4445
Self-feeding MUSE: A Method for High Resolution Diffusion Weighted Imaging with Robust Phase Variation Estimation
Zhe Zhang 1 , Feng Huang 2 , Bida Zhang 3 , Sheng Fang 4 , and Hua Guo 1
1
Center for Biomedical Imaging Research,
Department of Biomedical Enginnering, School of
Medicine, Tsinghua University, Beijing, China,
2
Philips
Healthcare, Gainesville, FL, United States,
3
Philips
Research China, Beijing, China,
4
Institute
of Nuclear and New Energy Technology, Tsinghua
University, Beijing, China
Multi-shot strategies have been used for improving
spatial resolution of DWI. MUSE is a multi-shot EPI
based DWI method using SENSE for self-navigating of each
shot. When many shots are used to decrease the EPI
distortion and blurring, high SENSE reduction factor
will cause inaccurate phase estimation and thus ghost
artifacts. In this work, Self-feeding MUSE is proposed
for robust phase estimation and improved MUSE
reconstruction, even if the number of shots is high.
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