[Mristudio-users] How does DTI-Studio fit tensors?

[ssgao]

Hi everyone,
  
 Please find the dcm file in the attachement.
  
 All slices were store in one dcm file. How to divide them into slice by slice. I want to analysis one slice.
   
  
 Cliff Gao

 

 ------------------ Original ------------------
  From:  "susumu mori"<susumu at mri.jhu.edu>;
 Date:  Wed, May 16, 2012 09:37 AM
 To:  "DTI Studio, ROI Editor, DiffeoMap Questions/Support"<mristudio-users at mristudio.org>; "Hangyi Jiang"<hjiang at jhmi.edu>; 
 
 Subject:  Re: [Mristudio-users] How does DTI-Studio fit tensors?

 

Hi Rob,

I think Hangyi can give you information about how we avoid FA>1.

We are offering outlier rejection in the latest version, either by a
slice-by-slice or pixel-by-pixel approach.

Susumu

On Wed, May 9, 2012 at 6:09 PM, Reid, Robert I. (Rob)
<Reid.Robert at mayo.edu> wrote:
> Hello,
>
> When fitting tensors, does DTI-Studio do any averaging or weighting with
> neighboring voxels?  Or rejection of outlier DWIs?  I noticed that
> unlike FSL's dtifit it does not produce any fractional anisotropies > 1,
> but I would like to know what it is doing to enforce that.
>
> Thanks,
>
>     Rob
>
> --
> Rob Reid
> Sr. Analyst/Programmer,
> Aging and Dementia Imaging Research
> Opus Center for Advanced Imaging Research
> Mayo Clinic
> 200 First Street SW
> Rochester, MN 55905
> http://www.mayoclinic.org
> _______________________________________________
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> mristudio-users at mristudio.org
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