[Freesurfer] volume of subcortical structure calculation

2013-09-17 Thread Subhabrata Chaudhury
Hello 

Where can I get information on how freesurfer calculates volumes of subcortical 
structures ? Is there a paper which provides insights into this method ? Is it 
that for certain subcortical structures, it just counts the number of voxels 
and adds them up since the voxels are 1mm3 ?

Thanks

Subha
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Re: [Freesurfer] volume of subcortical structure calculation

2013-09-17 Thread Bruce Fischl

Hi Subha

no, it starts with that then we estimate the partial volume fractions of 
every border voxel by compute the mixture distributions of that label and 
the most likely neighboring label. Not sure if this has been written 
anywhere - maybe in Xiao Han's reliability paper?


cheers
Bruce


On Tue, 17 Sep 2013, Subhabrata Chaudhury 
wrote:



Hello 
 
Where can I get information on how freesurfer calculates volumes of
subcortical structures ? Is there a paper which provides insights into this
method ? Is it that for certain subcortical structures, it just counts the
number of voxels and adds them up since the voxels are 1mm3 ?
 
Thanks
 
Subha

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