Dear Ed,
What exactly do you mean by "in Talairach space" in this context?
Could you provide us with fslhd output for the input and output volumes?
It is certainly the case that randomise should not modify the geometry of the image.
All the best,
Mark
On 20 Dec 2013, at 13:49, Ed Gronenschild <[log in to unmask]> wrote:
> Hi,
>
> I have applied randomise to a 4D volume in Talairach space with an isotropic voxel size of 3 mm:
>
> randomise -i Volume4D -o ttest -T -d ../design.mat -t ../design.con -n 5000
>
> The output is a number of tstat files all having an isotropic voxel size of 1 mm instead of 3 mm and
> with no sform and qform information in the header. Is perhaps the fact that the 4D volume is in
> Talairach space causing these erroneous results?
>
> fsl version 5.0.4
> Mac OSX 10.6
>
> Ed
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