Thanks for your help. As far as I understand, you suggest that I must do tracktography in subjects' native space and transform results. I am curicous about is there not any way transform raw diffusion data between sapces like fMRI data?
On Sat, 18 Nov 2017 11:46:38 -0600, Matt Glasser <[log in to unmask]> wrote:
>If it is tractography, you would want to keep the data in the subject�s
>physical space (either diffusion or structural at the same resolution as
>the diffusion). You can then use the --xfm and --invxfm flags to get
>standard ROIs to the diffusion data and bring results back into standard
>space.
>
>Peace,
>
>Matt.
>
>On 11/18/17, 11:23 AM, "FSL - FMRIB's Software Library on behalf of Enes
>Albay" <[log in to unmask] on behalf of [log in to unmask]> wrote:
>
>>Hi,
>>
>>I want to make group analysis in diffusion data and I want to register my
>>difusion data to same space but I could not figure out, how to register
>>my raw HARDI diffusion data to standard space. For example, I think that
>>first of all, for all subjects, I have to register b0 of each subject to
>>T1 of each subject. After, register b0 in T1 to standard MNI space. At
>>the end, apply same transformation pattern for all other diffusion
>>direction images (there are 64 more direction other than b0). But I am
>>not sure whether this is a correct solution or not. Are flirt and fnirt
>>suitable for this process? And Is there anything that I have to do for
>>bvecs and bvals?
>>
>>Thanks,
>>
>>Enes
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