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Purpose
To study the effects of 2D navigator distortion and noise level on interleaved EPI (iEPI) DWI reconstruction, using either the image‐ or k‐space‐based method.
Methods
The 2D navigator acquisition was adjusted by reducing its echo spacing in the readout direction and undersampling in the phase encoding direction. A POCS‐based reconstruction using image‐space sampling function (IRIS) algorithm...
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