Hi - see the UCSD script at:
http://fmri.ucsd.edu/download/epidewarp3.ucsd
Cheers.
On 19 Feb 2009, at 22:24, siamak wrote:
> HI,
>
> I am using the following command to correct the distortion of an EPI
> image:
> fugue -i epi -p unwrappedphase --dwell=dwelltime --asym=asymtime -s
> 0.5 -u
> result
> I don't know what should I put for dwell and asym parameters. I have
> the
> data sheet of SIEMENS scanner that generated the field map image.
> The two
> echoes used for the map are TE1 = 5.19 and TE2 = 7.65. Are these two
> are
> the dwell and asym parameters.
>
> Best,
> Siamak
>
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Stephen M. Smith, Professor of Biomedical Engineering
Associate Director, Oxford University FMRIB Centre
FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
+44 (0) 1865 222726 (fax 222717)
[log in to unmask] http://www.fmrib.ox.ac.uk/~steve
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