Hello I have a segmentation which made on MNI space, is it possible to do the inverse transform to the segmentation from MNI space to each subject space? does the size of the MNI segmentation (218*182*182) should be a problam? I was traing : mri_vol2surf MNI_Segmentation.nii --hemi lh --regheader bert --o /home/cnilab/ProgramFiles/freesurfer/NewFileName.mgz but i get a empty file. is there a diffrante way to do this?
thanks. roy
You need to create a registration between your subject and your MNI space. Try using spmregister or fslregister (but not bbregister). But there is a bigger problem in that surface-sampling of ROIs in MNI space tends not to do very well, but I'll leave that up to you to evaluate
On 09/29/2014 04:03 AM, Roy Talman wrote:
Hello I have a segmentation which made on MNI space, is it possible to do the inverse transform to the segmentation from MNI space to each subject space? does the size of the MNI segmentation (218*182*182) should be a problam? I was traing : mri_vol2surf MNI_Segmentation.nii --hemi lh --regheader bert --o /home/cnilab/ProgramFiles/freesurfer/NewFileName.mgz but i get a empty file. is there a diffrante way to do this?
thanks. roy
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thank you much for your replay, but i am not sure how to use "spmregister" or "fslregister" for this purpose, becouse i want to get my MNI ROI's into the subject space, and i only have the transeformation from the subject space to the MNI space (instead of the inverse- from MNI space to the subject space). thanks roy
2014-09-29 18:08 GMT+03:00 Douglas N Greve greve@nmr.mgh.harvard.edu:
You need to create a registration between your subject and your MNI space. Try using spmregister or fslregister (but not bbregister). But there is a bigger problem in that surface-sampling of ROIs in MNI space tends not to do very well, but I'll leave that up to you to evaluate
On 09/29/2014 04:03 AM, Roy Talman wrote:
Hello I have a segmentation which made on MNI space, is it possible to do the inverse transform to the segmentation from MNI space to each subject space? does the size of the MNI segmentation (218*182*182) should be a problam? I was traing : mri_vol2surf MNI_Segmentation.nii --hemi lh --regheader bert --o /home/cnilab/ProgramFiles/freesurfer/NewFileName.mgz but i get a empty file. is there a diffrante way to do this?
thanks. roy
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