You shoul use mri_label2vol with ROI.nii as the --seg input. How do you 
know that --regheader is right?

On 8/15/19 3:13 PM, Rihana Rayan wrote:
>
>         External Email - Use Caution
>
> Dear FS users,
> I have performed recon-all on structural data and created ROIs (using 
> mri_binarize), I want to mask functional data (GLM beta) with ROIs. To 
> match the file sizes, I resampled the ROI.nii by performing the command:
> mri_vol2vol --mov ROI.nii --targ beta_01.nii --regheader --o 
> ROI_in_beta.nii
> Multiplying ROI_in_mask.nii by GLM beta, results in NaN over some 
> voxels. Can anyone help me solve the problem?
>
> Best regards,
> Rihana
>
>
>
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