Hi Jared,
Mechanically, yes - you would use the edit voxels tool and then use the right button to remove the voxels you do not want.
I'm not sure I understand exactly what you are trying to do - and if you eventually want to use Freesurfer to obtain surfaces etc, this will not work. I'd suggest saving your brainmask as something else, and edit that - this way you still have a viable brainmask.mgz to obtain results with.
Jenni
On Mon, 11 Jun 2007, Jared Conley wrote:
Hi Jenni,
I am trying to edit the greyscale images of the brainmask.mgz. We are trying to generate an ICC map with only grey/white matter and we need to exclude a few structures that are not removed in the skull-stripping step (i.e. some of the cranial nerves, pituitary, etc.). I assume that I begin by using the "Edit Voxels tool (a)", but I do not know where to go from there.
Thanks,
Jared
Jenni Pacheco wrote:
Hi Jared,
What happens when you try and edit? What type of editing are you trying to do? Do you have the right tools selected? I'm going to need a little bit more information on what you are doing and what is going wrong. Thanks,
Jenni
On Mon, 11 Jun 2007, Jared Conley wrote:
FreeSurfer community,
I am attempting to manually edit brainmask.mgz in TkMedit and cannot figured out how to do so based on the info in the Wiki. I load the file in X11 with the command <tkmedit subjid brainmask.mgz> and see the images just fine, but I cannot seem to manually edit them like I can in the segmentation file. Any ideas?
Thanks,
Jared _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer