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Abstract #3646

Robust two-point Dixon water/fat separation using graph cut algorithm

Dong Zhou 1 , Jianwu Dong 2 , Pascal Spincemaille 1 , Ashish Raj 1 , Martin Prince 1 , and Yi Wang 1

1 Weill Cornell Medical College, New York, NY, United States, 2 Tsinghua University, Beijing, China

In this work, we present a two-point Dixon method with flexible echo times where the smoothness of the inhomogeneity field is imposed as an non-convex energy minimization problem, solved by Quadratic Pseudo-Boolean Optimization (QPBO). Robust water/fat separation is achieved in in contrast enhanced dynamic liver imaging at 1.5T.

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