Unwarping Echo Planar Images Using CMTK

Rohlfing, Torsten

SRI International

Please use this identifier to cite or link to this publication: http://hdl.handle.net/10380/3384

New: Prefer using the following doi: https://doi.org/10.54294/qffl03

Published in The Insight Journal - 2012 January-December.

Submitted by Torsten Rohlfing on 2012-10-01 18:22:11.

This document describes the workflow for unwarping echo planar MR images (EPI), in particular diffusion-weighted images, using an acquisition method with reversed phase encoding and the tools of the Computational Morphometry Toolkit (CMTK). This technique requires an additional acquisition (additional b=0 image for diffusion imaging) with reversed phase encoding direction, but no field map. Simple 6-direction diffusion data are provided with this article for demonstration.

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