[Insight-users] Multi-Spectral segmentation, K-means and Python wrapping

[Gaëtan Lehmann]

Le 23 sept. 08 à 17:16, Luis Ibanez a écrit :

>
> Hi Tom,
>
> My only suggestion could be to add the KMeans filter to the set of
> wrapped filters.
>
> You may want to give it a shot by looking at other wrapped filters
> in the Insight/Wrapping directory.
>
> Are you using WrapITK ?
>
> In that case, Gaetan will be the best person to provide advice.

Even better, if you can give me some types to use as template  
arguments of that class, I can add it in ITK cvs for you.

>
> Another option is to take a full ITK pipeline (instead of every
> individual class) and wrapping for Python. In that way you will
> have access to a higher-level segmentation algorithm.
>

Yes, that's another good way to go.

>
>  Regards,
>
>
>     Luis
>
>
> ---------------
> Tom Nash wrote:
>> Hi Luis\All
>> I was going through the example and I think  
>> ImageKmeansModelEstimator is a good way to go ahead with K-Means.  
>> But my basic problem is I'm using ITK wrapped with Python and hence  
>> none of the C++ classes and header files are available in my Python  
>> module. Porting all of the code might be a tiresome task. Do you  
>> have any suggestions on how to proceed.
>> Regards
>> Tom
>> > Date: Fri, 19 Sep 2008 09:28:43 -0400
>> > From: luis.ibanez at kitware.com
>> > To: tomnash1 at hotmail.com
>> > CC: insight-users at itk.org
>> > Subject: Re: [Insight-users] Multi-Spectral segmentation
>> >
>> >
>> >
>> > Hi Tom,
>> >
>> > For running K-Means on a multi-spectral image you may want to use:
>> >
>> > http://www.itk.org/Insight/Doxygen/html/classitk_1_1ImageKmeansModelEstimator.html
>> >
>> >
>> > Regards,
>> >
>> >
>> > Luis
>> >
>> >
>> > ---------------
>> > Tom Nash wrote:
>> > > Hi Luis
>> > >
>> > > Thank you for letting me know. I am Thinking to first segment a  
>> single
>> > > MRI using K-means and later try multi-spectral segmentation on  
>> the other
>> > > slices. Any pointers for k-means other than the K-means  
>> classification
>> > > example given in the guide?
>> > >
>> > > Regards
>> > > Tom Nash
>> > >
>> > > > Date: Sun, 14 Sep 2008 10:50:48 -0400
>> > > > From: luis.ibanez at kitware.com
>> > > > To: tomnash1 at hotmail.com
>> > > > CC: insight-users at itk.org
>> > > > Subject: Re: [Insight-users] Multi-Spectral segmentation
>> > > >
>> > > >
>> > > > Hi Tom,
>> > > >
>> > > > You may want to explore the following:
>> > > >
>> > > > 1) Region Growing with based on Mahalanobis distance.
>> > > >
>> > > http://www.itk.org/Insight/Doxygen/html/classitk_1_1VectorConfidenceConnectedImageFilter.html
>> > > >
>> > > >
>> > > > 2) Statistical classifiers
>> > > >
>> > > > See examples in
>> > > >
>> > > > Insight/Examples/Statistics
>> > > >
>> > > >
>> > > >
>> > > > Regards,
>> > > >
>> > > >
>> > > > Luis
>> > > >
>> > > >
>> > > > --------------
>> > > > Tom Nash wrote:
>> > > > > Hi all
>> > > > >
>> > > > > I wish to implement a multi-spectral segmentation of Brain  
>> MRIs. Any
>> > > > > pointers on how to go about doing doing it? I am familiar  
>> with 2D
>> > > > > segmentations using thresholding and region growing  
>> techniques. I am
>> > > > > planning to use ITK wrapped with Python for this. Do I need  
>> ITK-SNAP?
>> > > > >
>> > > > > Regards
>> > > > > Tom
>> > > > >
>> > > > > _______________________________________________
>> > > > > Insight-users mailing list
>> > > > > Insight-users at itk.org
>> > > > > http://www.itk.org/mailman/listinfo/insight-users
>> > >
>> > >  
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-- 
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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