A Real Asymmetric Fourier Imaging (Real-AFI) with preserving phase polarity for Inversion-prepared Spin-echo based-Sequence

We proposed and assessed a new partial Fourier technique named RealAFI where the phase polarity can be preserved for inversion-prepared and Spin-Echo based imaging. 1D simulation and 3T double IR (DIR) proton density black-blood FSE (DIR-BB-FSE) with TI of shorter than nulled blood Mz were assesed here. POCS method for RealAFI was used modifying phase estimation; i.e., the back-ground phase was calculated from circular low-pass filtered data in k-space region that is smaller than the actually sampled. RealAFI provided almost comprable results as those from fully sampled data. RealAFI is practically useful technique for inversion-prepared spin-echo based imaging.

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