[Insight-users] priors in itkBayesianClassifierImageFilter

Karthik Krishnan karthik.krishnan at kitware.com
Tue Dec 15 05:31:42 EST 2009


Thanks for catching this...

Fix committed :

/cvsroot/Insight/Insight/Code/Algorithms/itkBayesianClassifierImageFilter.h,v
 <--  itkBayesianClassifierImageFilter.h
new revision: 1.16; previous revision: 1.15
/cvsroot/Insight/Insight/Code/Algorithms/itkBayesianClassifierImageFilter.txx,v
 <--  itkBayesianClassifierImageFilter.txx
new revision: 1.10; previous revision: 1.9

Update and please let us know..

On Tue, Dec 15, 2009 at 5:10 AM, Bruno Arbter
<bruno.arbter at isv.uni-stuttgart.de> wrote:
> Okay, priors can be set via SetInput - but the flag m_UserProvidedPriors in
> itkBayesianClassifierImageFilter remains false, and therefore the priors are
> not used without changing the constructor.
>
> Is there an example that really uses priors?
>
> Thanks
> Bruno
>
>> -----Ursprüngliche Nachricht-----
>> Von: Karthik Krishnan [mailto:karthik.krishnan at kitware.com]
>> Gesendet: Montag, 14. Dezember 2009 14:14
>> An: Bruno Arbter
>> Cc: insight-users at itk.org
>> Betreff: Re: [Insight-users] priors in itkBayesianClassifierImageFilter
>>
>> Take a look at Examples/Statistics/BayesianClassifier.cxx: and at
>> Examples/Statistics/BayesianClassifierInitializer.cxx:
>>
>> This class does have a method to set the priors. The prior image
>> expected (optionally as the second input) is a N component
>> VectorImage, where N is the number of classes. If the prior image is
>> not specified, a uniform distribution is taken, (ie no priors.).
>>
>> The API to do this is simply....
>>
>>    filter->SetInput( 1, priorVectorImage );
>>
>> This is documented clearly in the doxygen.
>>
>> Thanks
>> --
>> karthik
>>
>> On Mon, Dec 14, 2009 at 7:47 AM, Bruno Arbter
>> <bruno.arbter at isv.uni-stuttgart.de> wrote:
>> > I want to use itkBayesianClassifierImageFilter with priors but I
>> cannot find
>> > any function to set the priors (e.g. SetPriors) in the class
>> > itkBayesianClassifierImageFilter. How is the correct way to set
>> priors?
>> >
>> > Bruno
>> >
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>>
>>
>>
>> --
>> _________________________________
>> Karthik Krishnan
>> R&D Engineer,
>> Kitware Inc.
>> Ph: +1 5188814919, +91 9538477060
>
> _____________________________________
> 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.html
>
> Please keep messages on-topic and check the ITK FAQ at:
> http://www.itk.org/Wiki/ITK_FAQ
>
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-- 
_________________________________
Karthik Krishnan
R&D Engineer,
Kitware Inc.
Ph: +1 5188814919, +91 9538477060


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