[Mristudio-users] Where can I get the DiffeoMap software?

[Issel Anne Lim]

Hello --
The entire MRIStudio suite is available on the MRIStudio website:
https://www.mristudio.org/wiki/installation
~~
Issel Anne L. Lim
PhD Candidate
Biomedical Engineering
Johns Hopkins University
http://alum.mit.edu/www/issel
issel at jhu.edu


On Thu, Jun 2, 2011 at 9:25 AM, Huang, Shiliang <HuangS4 at uthscsa.edu> wrote:

> Hi  All
> Where can I get the DiffeoMap software?
>
> Thanks
>
> Shiliang
>
> -----Original Message-----
> From: mristudio-users-bounces at mristudio.org [mailto:
> mristudio-users-bounces at mristudio.org] On Behalf Of susumu mori
> Sent: Wednesday, June 01, 2011 3:26 PM
> To: DTI Studio, ROI Editor, DiffeoMap Questions/Support
> Subject: Re: [Mristudio-users] Co-registeration of DTI data with T1 or T2
> data
>
> You can do that using DiffeoMap.
>
> If you assume that the subject didn't move, you can use a tool to
> change the location, rotation, FOV, and matrix size to theoretically
> align the images. Otherwise, you can use a rigid transformation using
> AIR or MI in DiffeoMap. You can submit two images with different
> FOV/matrix and the resultant image will have exactly the same
> dimensions as the template image. If the initial location of the brain
> within the FOVs are too different, you may need some pre-adjustment to
> bring the brain positions to a similar location within the FOVs.
>
> I recommend you to do the registration of DTI data after tensor
> calculation. If you move raw DWIs, you need to reorient the gradient
> table too. Once you calculate scalar maps like FA, MD, EVs, then you
> can register them to T1/T2 just like a regular image. If you want to
> register a tensor map, you have to load it through the "Open *.d"
> button so that DiffeoMap knows that it has to do tensor reorientation
> procedure.
>
> Because b0 and T2 have very similar contrast, you can do registration
> between T2 and b0, save the transformation matrix and later you can
> apply the matrix to any DTI-derived maps like FA, MD, EV, tensor, etc.
> Avoid transforming vector maps. Instead, transform the tensor and then
> calculate vector maps.
>
> You can also do non-linear warping using LDDMM between b0 and T2 to
> minimize B0-susceptibility distortion.
>
> On Wed, Jun 1, 2011 at 1:46 PM, Syed Salman Shahid
> <SyedSalman.Shahid at usq.edu.au> wrote:
> > Hi,
> > Just wondering if it is possible in DTI studio environment to co-register
> DTI data set with T1 or T2 data set before the DTI processing without losing
> any tensor information.
> >
> > With regards
> > Salman
> >
> >
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