Hi Javier

no, that's not correct, depending on which training set you mean. For the Bayesian segmentation (aseg) we used 40 datasets distributed in age and pathology (10 each for young, middle age, elderly and AD).

cheers
Bruce
On Wed, 25 Mar 2020, javier quilis wrote:


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Thanks for the answer. 

I can not open the power point for some reason. Is there any paper where I
can check this? I think the dataset used by freesurfer is in the MNI Average
Brain (305 MRI) Stereotaxic Model and this dataset only use MRIs from young
people, is this correct?

Thanks again.
Bests, 
Javier





____________________________________________________________________________
De: freesurfer-boun...@nmr.mgh.harvard.edu
<freesurfer-boun...@nmr.mgh.harvard.edu> en nombre de Douglas N. Greve
<dgr...@mgh.harvard.edu>
Enviado: viernes, 20 de marzo de 2020 15:39
Para: freesurfer@nmr.mgh.harvard.edu <freesurfer@nmr.mgh.harvard.edu>
Asunto: Re: [Freesurfer] training set  
Try the tutorial slides
https://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/AnatomicalROI
It does not go into a lot of detail, but it will give you the relevant
lectures


On 3/17/2020 8:54 AM, javier quilis wrote:

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      Hello everyone, 

I'm trying to do a study of a comparison between the automated methods
to analyze structural MRI from FSL and Freesurfer. I am interested in
the training set used by Freesurfer to do the brain segmentation and I
can not find a detailed description of it. Is there any source where
this set is described?

Thanks in advance.
Bests, 
Javier Quilis

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