label2vol is probalby a little more accurate

On 4/16/19 7:47 PM, Sam W. wrote:
>
>         External Email - Use Caution
>
> Thank you Douglas. So that means I can basically use either one for 
> freesurfer to native space conversion, is that right? Is there any 
> case in which label2vol should definitely be used instead of vol2vol?
> Best regards,
> Sam
>
>
> On Tue, Apr 16, 2019 at 10:12 PM Greve, Douglas N.,Ph.D. 
> <dgr...@mgh.harvard.edu <mailto:dgr...@mgh.harvard.edu>> wrote:
>
>     Are they exactly the same? Try
>     mri_diff file1.mgz file2.mgz
>     I would not expect them to be all that different, just a few
>     voxels here
>     and there
>
>     On 4/16/19 3:47 PM, Sam W. wrote:
>     >
>     >         External Email - Use Caution
>     >
>     > Hi,
>     > In a Freesurfer help webpage it says that to convert an image (eg
>     > brain.mgz) from freesurfer to anatomical native space (eg
>     rawavg.mgz)
>     > we should use mri_vol2vol, but for a segmentation (aseg.mgz) we
>     should
>     > use mri_label2vol. I converted the aseg.mgz of bert using both
>     vol2vol
>     > and label2vol and found no difference - The resulting output images
>     > look exactly the same. Is there really an advantage of using
>     label2vol
>     > instead of vol2vol?
>     > Thanks!
>     > Sam
>     >
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