Dear Erik,

since I just worked on the details of this, please have a look at http://www.freesurfer.net/fswiki/eTIV to clarify that FreeSurfer does not use any segmentation to make the eTIV estimation on, but uses the talairach transfom to estimate the eTIV since the two have a linear relationship.

Cheers,
Melanie

On 04-04-2017 4:23, Erik Lindberg wrote:
Dear Freesurfer experts,

I would like to create an image on tissue that Freesurfer has been included into the intracranial volume calculation.
Is there anyway to summarize segmentations masks so I get one mask containing all tissue that has been included into the intracranial volume?

best 
Erik


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-- 
Melanie Ganz-Benjaminsen, MSc, Ph.D.
Neurobiology Research Unit
University of Copenhagen
Rigshospitalet
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Juliane Maries Vej 28/30, 3.
DK-2100 Copenhagen
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