[ITK] [ITK-users] PCA on 3D Data

[Robert]

Hello,
Thanks for your input, that's what I did so far. The result, however, in my
opinion, does not look anything like I'd imagine the result looking like. It
works fine with 2D Images, but the third dimension (or maybe the Pixel Value
range?) seem to destroy the result. 
>From your response however I think that my approach is correct.
I want to create the different shapes in order to use them as an input in
the Geodesic Active Contour with Shape Guidance filter. 
My problem is that, if I use the filter without shape guidance, or if I use
simple fastmarching, the segmented result is too big, it bleeds into
structures that are not part of my current project. I hope that with shape
guidance, those regions won't be affected (at least not that much as they
currently are).



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