Re: [Freesurfer] problem with mri_label2vol

2018-12-06 Thread Mareike Grotheer
External Email - Use Caution Hi Greve, It is a volume label that is supposed to be on the cortical ribbon. I want to perform surface-based dilation. Thank you, Mareike On Thu, Dec 6, 2018 at 9:11 AM Greve, Douglas N.,Ph.D. < dgr...@mgh.harvard.edu> wrote: > > Is this a volume

Re: [Freesurfer] problem with mri_label2vol

2018-12-06 Thread Greve, Douglas N.,Ph.D.
Is this a volume label that is supposed to be on the cortical ribbon? An you wan to do a surface-based dilation? Or do you just want to dilate it in 3D? On 12/04/2018 08:28 PM, Mareike Grotheer wrote: > > External Email - Use Caution > > Hello FreeSurfer Developers, > > I am trying to

[Freesurfer] problem with mri_label2vol

2018-12-04 Thread Mareike Grotheer
External Email - Use Caution Hello FreeSurfer Developers, I am trying to bring functional ROIs defined in a different program into FreeSurfer, so that I can dilate them into the white matter with –proj abs, but I am running into a problem I was hoping you could help me with.

Re: [Freesurfer] problem with mri_label2vol for aseg

2018-04-17 Thread Douglas Greve
something strange is going on because that mri_vol2vol command has worked for years. Can you upload your subject's dir to our filedrop? https://gate.nmr.mgh.harvard.edu/filedrop2 On 4/16/18 5:40 PM, Michelle VanTieghem wrote: Hi Bruce, If I *just run the mri_convert command that you

Re: [Freesurfer] problem with mri_label2vol for aseg

2018-04-16 Thread Michelle VanTieghem
Hi Bruce, If I *just run the mri_convert command that you provided, it did not work. The result is the same, with randomly labeled voxels along the boundaries of GM. *Am I supposed to run mri_convert and then also run the mri_vol2vol command? I don't understand what you mean by trilinear

Re: [Freesurfer] problem with mri_label2vol for aseg

2018-04-15 Thread Bruce Fischl
Hi Michelle from the mri dir I think you can run: mri_convert -rl rawavg.mgz -rt nearest aseg.mgz aseg.rawavg.mgz -rl = "reslice like" -rt = "resample type" cheers Bruce p.s. I think your problem is probably that you used trilinear resampling. YOu could change the resampling in mri_vol2vol

[Freesurfer] problem with mri_label2vol for aseg

2018-04-15 Thread Michelle VanTieghem
Hi Freesurfer experts, I am trying to convert the aseg back into native space of the anatomical T1 image. I followed the instructions as in the webpage: https://surfer.nmr.mgh.harvard.edu/fswiki/FsAnat-to-NativeAnat specifically this line of code: cd $SUBJECTS_DIR//mri mri_label2vol --seg