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<br>I converted the ImageRegistration4.cxx on MattesMutualInformation technique from 2D into 3D by changing line #123 from 2 to 3:<br>const unsigned int Dimension = 3;<br><br>Is that all that needs to be done?<br>When I did Build Solution and ran the executable with 2 input images and a name for an output image, I got this error message:<br><br><br>****<br>C:\Ganesh\ITK316\Build\bin\Debug>ImageRegistration4 P1T1Img1.mha P1T2<br>Img2.mha Final_P1T1fT2m.mha<br><br>ExceptionObject caught !<br><br>itk::ExceptionObject (0146FB48)<br>Location: "void __thiscall itk::MattesMutualInformationImageToImageMetric<class<br>itk::Image<unsigned short,3>,class itk::Image<unsigned short,3> >::GetValueAndDe<br>rivative(const class itk::Array<double> &,double &,class itk::Array<double> &) c<br>onst"<br>File: c:\ganesh\itk316\itk\code\algorithms\itkMattesMutualInformationImageToImag<br>eMetric.txx<br>Line: 1113<br>Description: itk::ERROR: MattesMutualInformationImageToImageMetric(019441E0): To<br>o many samples map outside moving image buffer: 0 / 10000<br>****<br><br><br>Can you identify the error and let me know any corrective step?<br>Thanks for your help,<br>
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