Hi,
Could you please check if your brain masks are binary and whether the bvecs/bvals entries correspond to the appropriate volumes in your data file (i.e. a b=0 entry corresponds to a non-DW volume)?
Cheers,
Stam
On 18 Feb 2011, at 13:02, Catherine Delnooz wrote:
> Dear all,
>
> I'm trying to run dtifit on my data. In about 25% of the subjects I get black .nii outputs from dtifit. The size is about 3kb instead of the 700kb in the good subjects.
> I can't find any differences in bvecs/bvals files. A bedpostx_datacheck shows no differences between good and bad results neither.
> Does somebody has a clue??
>
> Best regards,
> Catherine
>
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