the eddy current distortions (to first order) can be corrected for
using affine registration to a reference scan, i.e. using flirt.
Probably within the next few months a toolbox will be released which
(amongst other things) contains a GUI+script for doing exactly this.
On 19 May 2004, at 08:47, Malucelli Emil wrote:
> I use FSL to process diffusion-weighted EPI images single shot, but
> this kind of images include distortion caused by the eddy current. How
> can i correct this distortion with FSL? Now i register diffusin image
> onto t1 structural image.
> Emil Malucelli
> Dipartimento di Medicina Clinica e Biotecnologia applicata "D.
> Via Massarenti 9, I-40138 Bologna, Italy
> Tel.: + 39 051 305 993 / 636 3512;
> Fax: + 39 051 303 962
> e-mail: [log in to unmask]
Christian F. Beckmann
Oxford University Centre for Functional
Magnetic Resonance Imaging of the Brain,
John Radcliffe Hospital, Headington, Oxford OX3 9DU, UK
Email: [log in to unmask] - http://www.fmrib.ox.ac.uk/~beckmann/
Phone: +44(0)1865 222782 Fax: +44(0)1865 222717