Re: [Freesurfer] Manual edits to aseg.mgz/brainmask.mgz

2007-11-07 Thread Bruce Fischl
resolution. -Original Message- From: Bruce Fischl [mailto:[EMAIL PROTECTED] Sent: Tue 11/6/2007 8:49 PM To: Watson, Christopher Cc: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] Manual edits to aseg.mgz/brainmask.mgz Hi Chris, what type of acquisition are you using? Dura c

Re: [Freesurfer] Manual edits to aseg.mgz/brainmask.mgz

2007-11-07 Thread Chris Watson
Subject: Re: [Freesurfer] Manual edits to aseg.mgz/brainmask.mgz Hi Chris, what type of acquisition are you using? Dura can be really hard to deal with, as it can look just like gm, depending on your MR parameters, and it is can also be physically adjacent to gm. That said, it's only usually

RE: [Freesurfer] Manual edits to aseg.mgz/brainmask.mgz

2007-11-06 Thread Bruce Fischl
uce Fischl [mailto:[EMAIL PROTECTED] Sent: Tue 11/6/2007 8:49 PM To: Watson, Christopher Cc: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] Manual edits to aseg.mgz/brainmask.mgz Hi Chris, what type of acquisition are you using? Dura can be really hard to deal with, as it can look just like

RE: [Freesurfer] Manual edits to aseg.mgz/brainmask.mgz

2007-11-06 Thread Watson, Christopher
the resolution. -Original Message- From: Bruce Fischl [mailto:[EMAIL PROTECTED] Sent: Tue 11/6/2007 8:49 PM To: Watson, Christopher Cc: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] Manual edits to aseg.mgz/brainmask.mgz Hi Chris, what type of acquisition are you using? Dura can

Re: [Freesurfer] Manual edits to aseg.mgz/brainmask.mgz

2007-11-06 Thread Bruce Fischl
Hi Chris, what type of acquisition are you using? Dura can be really hard to deal with, as it can look just like gm, depending on your MR parameters, and it is can also be physically adjacent to gm. That said, it's only usually a problem in localized areas. What resolution is your data? We hav

[Freesurfer] Manual edits to aseg.mgz/brainmask.mgz

2007-11-06 Thread Chris Watson
Hello all, I was wondering if there is a quick way to make edits to multiple slices of the aseg.mgz (or the brainmask.mgz) volume. Specifically, I am working on my first subject, and it seems that on almost every slice, pieces of the dura/skull/arachnoid/what-have-you get segmented as cortex