Re: [Freesurfer] Automated extraction of dural/meningeal ROI

2025-02-03 Thread Douglas N. Greve
In that post, I'm not saying that we have a meninges segmentation, just that the meninges might be removed when doing skull stripping. This will not remove the signal from meninges that has partial-volumed into the brain. We don't have a way to do that unless there is a meningeal ROI. On 1/30/

Re: [Freesurfer] Automated extraction of dural/meningeal ROI?

2017-03-06 Thread Antonin Skoch
Dear Daniel, For the "outer" boundary of your ROI, I would try the betsurf from FSL for the inner skull surface estimation. This should be more precise than using brainmask.mgz. https://fsl.fmrib.ox.ac.uk/fsl/fslwiki/BET/UserGuide Antonin You could remove the brain (as found in aseg.mgz) from

Re: [Freesurfer] Automated extraction of dural/meningeal ROI?

2017-03-06 Thread Douglas N Greve
You could remove the brain (as found in aseg.mgz) from the brainmask.mgz. This will leave some dura. It is not an elegant or accurate solution On 03/06/2017 02:24 PM, Albrecht, Daniel S. wrote: > Hello, > > We have a PET dataset where we expect to see pathogenic changes in the > meninges. We'd