[Mrtrix-discussion] CSD computation errors

[Donald Tournier]

Hi Supreet,

Getting a few of these errors per dataset shouldn't be too much of a
problem. See the relevant entry in the FAQ for details:
http://www.brain.org.au/software/mrtrix/faq.html#converge

Cheers,
Donald

--
Dr J-Donald Tournier (PhD)

Senior Lecturer, Biomedical Engineering
Division of Imaging Sciences & Biomedical Engineering
King's College London

A: Department of Perinatal Imaging & Health, 1st Floor South Wing, St
Thomas' Hospital, London. SE1 7EH
T: +44 (0)20 7188 7118 ext 53613
W:
http://www.kcl.ac.uk/medicine/research/divisions/imaging/departments/biomedengineering

On 21 May 2014 19:23, "Supreet kaur" <ksupreet6 at gmail.com> wrote:

> Dear MRtrix users,
>
> I have been running the CSD on our neonatal DTI dataset, our DTI data was
> acquired on the GE scanner with 30 gradient directions and b value of 1000.
> However, during the CSD computation, I am getting series of error messages:
>
> "csdeconv: not enough negative directions! failed to converge".
>
> I'm attaching the gradient directions text file.
>
> I'll appreciate your response.
>
> Thanks in advance,
>
>
> Sincerely,
>
> Supreet kaur,
> Biomedical research engineer,
> Nationwide Childrens Hospital,
> Columbus, OH
> (614)355-6659.
>
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>
>
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