Hi,
The maps are in $FSLDIR/data/standard/tissuepriors/
The probability represents the probability of any voxel in standard
space being GM, WM or CSF.
There has also recently been some discuss of priors in FAST
on this list that you might find helpful.
All the best,
Mark
On 9 Jan 2011, at 18:00, sere f wrote:
>
>
> Hi All,
> I am using FAST to segment T2 in WM, GM and CSF.
> I would like to understand better the advanced option in FAST_gui:
>
> Use a-priori probability maps tells FAST to start by registering the input image to standard space and then use standard tissue-type probability maps (from the MNI152 dataset)
>
>
> where are these maps? What is the probability of the 3 tissues?
>
> Many thanks for your help.
>
> Serena.
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