[Insight-users] Object Identification

[Gaëtan Lehmann]

Le 15 janv. 09 à 22:37, Paul a écrit :

> I'm starting a project to pick out and identify anomalies using ITK.
> Assuming that I've transformed my data using some metric criteria into
> a mask, I would want to identify "connected" regions as individual
> objects and determine the position, size, etc of such objects.
>
> How much of this functionality has already been implemented in ITK?
>
> My understanding at the moment is that I would have to iterate over my
> entire image starting with the first pixel of the mask, run a
> ConnectedThresholdImageFilter or NeighborhoodConnectedImageFilter
> seeding from that point, calculate the parameters of the region myself
> (centre pixel, size, etc), subtract that region from the original
> image, then proceed with the iteration using the next available pixel
> in the image.
>
> Or something like that, anyway. I'm still familiarizing myself with
> the functionality of ITK and get a basic idea of how to implement the
> task at hand. Any pointers are greatly appreciated.
>

Hi Paul,

There are much simple and efficient solutions contributed to the  
insight journal. Jut use the one you prefer.

http://insight-journal.org/browse/publication/301
http://insight-journal.org/browse/publication/176

Regards,

Gaëtan

-- 
Gaëtan Lehmann
Biologie du Développement et de la Reproduction
INRA de Jouy-en-Josas (France)
tel: +33 1 34 65 29 66    fax: 01 34 65 29 09
http://voxel.jouy.inra.fr  http://www.mandriva.org
http://www.itk.org  http://www.clavier-dvorak.org

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