Hi Rene,
Several solutions are suggested in this thread:
https://www.jiscmail.ac.uk/cgi-bin/webadmin?A2=FSL;a2c32e8c.1811
https://www.jiscmail.ac.uk/cgi-bin/webadmin?A2=FSL;21c8eb89.1812
Cheers,
Paul
On 10/12/2018, René Labounek <[log in to unmask]> wrote:
> Dear fsl users,
> may I resample nifti images with fsl to matrices of the same dimensions and
> keep still their MNI co-ordinates?
>
> I have co-registered and normalized to MNI template several single-subject
> images. When I open them in fsleyes they fit over themselves. But fslinfo
> says me every image has same 2mm isotropic voxel size but different XYZ
> voxel dimensions.
>
> e.g.:
> fslinfo gm.nii.gz
> dim1 78
> dim2 94
> dim3 78
> pixdim1 2.000000
> pixdim2 2.000000
> pixdim3 2.000000
>
> fslinfo fmri.nii.gz
> dim1 79
> dim2 95
> dim3 79
> dim4 1040
> pixdim1 2.000000
> pixdim2 2.000000
> pixdim3 2.000000
>
> fslinfo aal.nii.gz
> dim1 91
> dim2 109
> dim3 91
> pixdim1 2.000000
> pixdim2 2.000000
> pixdim3 2.000000
>
> May I resample it somehow e.g. at 91x109x91 voxels without estimating new
> registration parameters? As I written the images fit in fsleyes. So
> registration should not be necessary.
>
> for the resampling I have used commands like:
> flirt -in gm_prob.nii.gz -ref gm_prob.nii.gz -out gm -applyisoxfm 2
>
> When I used e.g.:
> flirt -in gm_prob.nii.gz -ref fmri.nii.gz -out gm -applyisoxfm 2
> The images did not fit in fsleyes.
>
> Please, any idea, what am I doing wrong?
>
> Kind regards, Rene
>
> ########################################################################
>
> To unsubscribe from the FSL list, click the following link:
> https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1
>
########################################################################
To unsubscribe from the FSL list, click the following link:
https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1
|