Great! Thank you very much for your info, Tim and Matt!
-Yoshiko
On Mon, 1 Oct 2007 13:12:48 -0400, Matt Glasser <[log in to unmask]> wrote:
> Yes that would also work. We have actually found that the FA often gives a
> better registration than the b0 to T1 images, but that would require running
> DTIFIT.
>
> Peace,
>
> Matt.
>
> -----Original Message-----
> From: FSL - FMRIB's Software Library [mailto:[log in to unmask]] On Behalf
> Of Yoshiko Yamada
> Sent: Monday, October 01, 2007 12:39 PM
> To: [log in to unmask]
> Subject: Re: [FSL] overlaying DTI b0 images onto structural images
>
> Thank you for your information, Steve.
>
> My understanding is that the registration option in FDT requires BEDPOST
> directory, so this means that we need to run BEDPOST to run the
> registration option. Am I right?
>
> I'm wondering if, in FLIRT GUI, we could choose the "Low res image --> High
> res image --> Reference image" opetion, enter a b0 image as the Low res
> image and structural as the High res image, and have the b0 and structural
> registered (without running BEDPOST, which requires a long processing time).
>
> Thank you again for your advice!
>
> -Yoshiko
>
>
>
>
> On Sat, 29 Sep 2007 08:03:06 +0100, Steve Smith <[log in to unmask]>
> wrote:
> > Hi - if you use the registration option in the FDT GUI, you will end
> > up with transformations between diffusion space and structural space
> > (and standard space).
> > You can use ApplyXFM GUI to apply the relevant transform to get the
> > B0 image into the right space for overlaying on top of the structural
> > for validation.
> > Cheers.
> >
> >
> > On 28 Sep 2007, at 20:50, Yoshiko Yamada wrote:
> >
> > > Dear List,
> > >
> > > I'm wondering if there is a way to overlay DTI b0images onto the
> > > structural image of the same
> > > subject. I'd like to check data quality (especially subtle EPI
> > > distortion) before starting full analysis. I
> > > understand that, in FSL View, b0 images have to have the same
> > > resolution and FOV as the
> > > structural image to be overlaid. Is there any other way we can
> > > overlay these two types of images?
> > >
> > > Thank you for your input!
> > >
> > > -Yoshiko
> > >
> > >
> > > --
> > > Yoshiko Yamada, Ph. D
> > > Research Associate
> > > Brain Development Lab
> > > Psychology Department
> > > 1227 University of Oregon
> > > Eugene, OR 97403-1227
> > > Phone: 541-346-4841
> > > Fax: 541-346-4271
> >
> >
> > ------------------------------------------------------------------------
> > ---
> > 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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