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  • Title: Constraining the initial phase in water-fat separation.
    Author: Bydder M, Yokoo T, Yu H, Carl M, Reeder SB, Sirlin CB.
    Journal: Magn Reson Imaging; 2011 Feb; 29(2):216-21. PubMed ID: 21159457.
    Abstract:
    An algorithm is described for use in chemical shift-based water-fat separation to constrain the phase of both species to be equal at an echo time of zero. This constraint is physically reasonable since the initial phase should be a property of the excitation pulse and receiver coil only. The advantages of phase constrained water-fat separation, namely, improved noise performance and/or reduced data requirements (fewer echos), are demonstrated in simulations and experiments.
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