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

Timothee Evain tevain at telecom-paristech.fr
Mon May 23 05:44:12 EDT 2016


Well, that's the good way to do it.
I've used the estimator to get models of 3D shapes without particular troubles.
Have you registered your binary training data to get a true PCA response ?
Here a link to a kitware blog post about creating ASM (in 2D but the application in 3D is trivial):
https://blog.kitware.com/creating-a-2d-active-shape-model-in-itk/

HTH, 

Tim

----- Mail original -----
De: "Robert" <scorpiuni at gmail.com>
À: insight-users at itk.org
Envoyé: Lundi 23 Mai 2016 10:43:54
Objet: Re: [ITK] [ITK-users]   PCA on 3D Data

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).



--
View this message in context: http://itk-insight-users.2283740.n2.nabble.com/PCA-on-3D-Data-tp7588879p7588882.html
Sent from the ITK Insight Users mailing list archive at Nabble.com.
_____________________________________
Powered by www.kitware.com

Visit other Kitware open-source projects at
http://www.kitware.com/opensource/opensource.html

Kitware offers ITK Training Courses, for more information visit:
http://www.kitware.com/products/protraining.php

Please keep messages on-topic and check the ITK FAQ at:
http://www.itk.org/Wiki/ITK_FAQ

Follow this link to subscribe/unsubscribe:
http://public.kitware.com/mailman/listinfo/insight-users
_______________________________________________
Community mailing list
Community at itk.org
http://public.kitware.com/mailman/listinfo/community
_____________________________________
Powered by www.kitware.com

Visit other Kitware open-source projects at
http://www.kitware.com/opensource/opensource.html

Kitware offers ITK Training Courses, for more information visit:
http://www.kitware.com/products/protraining.php

Please keep messages on-topic and check the ITK FAQ at:
http://www.itk.org/Wiki/ITK_FAQ

Follow this link to subscribe/unsubscribe:
http://public.kitware.com/mailman/listinfo/insight-users


More information about the Community mailing list