that looks like a big temporal lobe bias field to me. Is the WM in the
temporal lobes significantly darker than 110? I can't tell if some of the
stuff in e.g. the left medial temporal lobe is WM or GM. Try putting some
control points in regions where the intensity is in say [95, 110) and see
if that helps
cheers
Bruce
On Sat, 28 Apr 2018, Miguel Ángel Rivas
Fernández wrote:
External Email - Use Caution
Hi guys,
I have the same problem as Saum, I executed the recon-all in several subjects
and I did not obtain a
completely correct segmentation of the pial surface. To solve this error could
I use the control
points? When I use the control points, will I also be able to correct the white
matter segmentation?
I send you a image if you want
to check it.
Thank you very much!
Cheers,
[IMAGE]
2018-04-27 21:28 GMT+02:00 Bruce Fischl <fis...@nmr.mgh.harvard.edu>:
Hi Saum
it is, but you need to figure out why it isn't getting out far enough.
The easiest way
is to override the intensity statistics that are computed automatically in
mris_make_surfaces. You can see them if you look in your recon-all.log.
For example if
the lowest value gm is allowed to be at the pial surface is too high,
then it will
settle too far in
cheers
Bruce
On Fri, 27 Apr 2018, Saum Naderi wrote:
External Email - Use Caution
Hi guys,
I'm having some trouble extending the pial surface of my bm volume.
I am
aware that the general
procedure for extending the pial is to extend the wm first and the
pial will
follow. However, is it
possible to extend the pial surface without affecting the wm
boundary?
Thanks,
Saum
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