Hi Catherine,
Would you mind sharing an FA image of a subject that worked and one of the 4 that failed?
You can upload images to Oxford’s file sharing service (oxfile) here: https://oxfile.ox.ac.uk/oxfile/work/extBox?id=71854214AE3B9B40F8
It would also be helpful to see the complete output of the terminal when running tbss_2_reg for a subject where the registration produces these odd results.
Cheers,
Taylor Hanayik
Taylor Hanayik PhD
Analysis Research Software Engineer
FMRIB, John Radcliffe Hospital
University of Oxford
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> On 22 Apr 2019, at 20:20, Catherine Cunningham <[log in to unmask]> wrote:
>
> Hi there,
>
> I'm having an issue with the registration step of the TBSS pipeline. The tbss_1_preproc step concludes successfully, and the qc images all look good. However, the tbss_2_reg step produces strange distortions on 4 out of 54 of my images (these also take 10 times the processing time of other volumes). I've attached an example of a distorted image, displaying axial, sagittal, and coronal views.
>
> I can't find anything specifically different about these 4 images, but the strange effect happens reliably on the same 4. I would appreciate any help, because I am at a loss!
>
> Thank you very much,
>
> Catherine
>
>
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> <distortion_image.jpg>
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