Hi - yes, you need to take a B0 fieldmap image (easy and quick if you have
the sequence already). There are a few answers relating to this on the FSL
archive http://www.jiscmail.ac.uk/lists/fsl.html but does anyone out there
have specific info on these machines?
Thanks, Steve.
On Mon, 21 Oct 2002, Erik-Jan Vlieger wrote:
> Hi,
>
> I would like to start using the geometry correction of fugue, but it is not
> clear to me whether a sequence has to be (re)written in order to acquire te
> required phase data, or that it suffices to use standard sequences for which
> the phase images are saved. So here is my question:
>
> 1) Has anybody implemented acuirering the fugue-required phase images on a
> 1.5T Siemens Vision (software VB 33E)? If so, how? Can standard sequences be
> used?
> 2) Has anybody implemented acuirering the fugue-required phase images on a
> 1.5T General Electric Signa (software release 9.0)? If so, how? Can standard
> sequences be used?
>
> Thanks,
>
> Erik-Jan Vlieger
>
Stephen M. Smith
Head of Image Analysis, FMRIB
Oxford University Centre for Functional MRI of the Brain
John Radcliffe Hospital, Headington, Oxford OX3 9DU, UK
+44 (0) 1865 222726 (fax 222717)
[log in to unmask] http://www.fmrib.ox.ac.uk/~steve
|