[Insight-users] KdTreeBasedKMeansClustering for 3D vector image

[Sara Rolfe]

Thanks, that's working for me now.  Sorry for the string of questions,  
but I'm now back to my original problem, with the assignment of the  
membership functions, in line 127.  I am guessing it's a problem with  
the data type, but it seems like this generalized version of k-means  
should support clustering vectors, since k-means is frequently used on  
color images.  The error message is below and my code is attached.   
Please let me know if you have any advice.

/Users/smrolfe/build/KdTreeBasedKMeansClustering.cxx: In function ‘int  
main(int, char**)’:
/Users/smrolfe/build/KdTreeBasedKMeansClustering.cxx:129: error: no  
matching function for call to ‘std::vector<itk::SmartPointer<const  
itk::Statistics::MembershipFunctionBase<main(int, char**)::PixelType>  
 >, std::allocator<itk::SmartPointer<const  
itk::Statistics::MembershipFunctionBase<main(int, char**)::PixelType>  
 > >  
 > 
::push_back 
(itk::Statistics::DistanceToCentroidMembershipFunction<main(int,  
char**)::MeasurementVectorType>*)’
/Developer/SDKs/MacOSX10.5.sdk/usr/include/c++/4.0.0/bits/stl_vector.h: 
602: note: candidates are: void std::vector<_Tp,  
_Alloc>::push_back(const _Tp&) [with _Tp = itk::SmartPointer<const  
itk::Statistics::MembershipFunctionBase<main(int, char**)::PixelType>  
 >, _Alloc = std::allocator<itk::SmartPointer<const  
itk::Statistics::MembershipFunctionBase<main(int, char**)::PixelType>  
 > >]
/Users/smrolfe/build/KdTreeBasedKMeansClustering.cxx:59: warning:  
unused variable ‘outputImageFileName’
/Users/smrolfe/ITK-Sandbox/ITK/Code/Numerics/Statistics/ 
itkEuclideanDistanceMetric.txx: In member function ‘double  
itk::Statistics::EuclideanDistanceMetric<TVector>::Evaluate(const  
typename  
itk::Statistics::DistanceMetric<TVector>::MeasurementVectorType&)  
const [with TVector = main(int, char**)::MeasurementVectorType]’:
/Users/smrolfe/build/KdTreeBasedKMeansClustering.cxx:133:    
instantiated from here
/Users/smrolfe/ITK-Sandbox/ITK/Code/Numerics/Statistics/ 
itkEuclideanDistanceMetric.txx:44: error: no match for ‘operator-’ in  
‘(+#‘obj_type_ref’ not supported by dump_expr#<expression  
error>((&((const itk::Statistics::EuclideanDistanceMetric<main(int,  
char**)::MeasurementVectorType>*)this)- 
 >itk::Statistics::EuclideanDistanceMetric<main(int,  
char**)::MeasurementVectorType>::<anonymous>)))- 
 >itk::Array<double>::<anonymous>.vnl_vector<T>::operator[] [with T =  
double](i) - (+ x)->itk::Vector<main(int, char**)::PixelType,  
3u>::<anonymous>.itk::FixedArray<TValueType, VLength>::operator[]  
[with TValueType = main(int, char**)::PixelType, unsigned int VLength  
= 3u](i)’
/Users/smrolfe/ITK-Sandbox/ITK/Code/Numerics/Statistics/ 
itkEuclideanDistanceMetric.txx: In member function ‘double  
itk::Statistics::EuclideanDistanceMetric<TVector>::Evaluate(const  
typename  
itk::Statistics::DistanceMetric<TVector>::MeasurementVectorType&,  
const typename  
itk::Statistics::DistanceMetric<TVector>::MeasurementVectorType&)  
const [with TVector = main(int, char**)::MeasurementVectorType]’:
/Users/smrolfe/build/KdTreeBasedKMeansClustering.cxx:133:    
instantiated from here
/Users/smrolfe/ITK-Sandbox/ITK/Code/Numerics/Statistics/ 
itkEuclideanDistanceMetric.txx:69: error: cannot convert  
‘itk::Vector<double, 2u>’ to ‘const double’ in initialization
make[2]: *** [CMakeFiles/KdTreeBasedKMeansClustering.dir/ 
KdTreeBasedKMeansClustering.cxx.o] Error 1
make[1]: *** [CMakeFiles/KdTreeBasedKMeansClustering.dir/all] Error 2


On Dec 7, 2010, at 2:19 PM, David Doria wrote:

> On Tue, Dec 7, 2010 at 5:14 PM, Sara Rolfe  
> <smrolfe at u.washington.edu> wrote:
>> Ok, I've decided that it's worth the trouble to reinstall the  
>> newest version
>> of ITK.  Now I'm having trouble finding/replacing the filters I was  
>> using.
>>
>> Does someone know what happened with the ImageToListAdaptor?  And  
>> if there's
>> something similar I can replace it with?
>>
>> Also, is there a webpage where I can see what was discontinued and  
>> what was
>> replaced?  I didn't see the info I'm looking for on this wiki page:
>> http://www.itk.org/Wiki/ITK_Release_3.18_Changed_From_Previous
>
> Good choice :)
>
> It is now called ImageToListSampleAdaptor
> http://www.itk.org/Doxygen/html/classitk_1_1ImageToListSampleAdaptor.html
> (the documentation seems to be down at the moment, check that link  
> later)
>
> Here is an example:
> http://www.itk.org/Wiki/ITK/Examples/Statistics/ImageToListSampleAdaptor
>
> David