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</o:shapelayout></xml><![endif]--></head><body lang=DE-AT link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi ,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>itkCastImageFilter convert imagedata types.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I also saw in your code that you did not setmaximumerror(). Please read the itk manual about discretegaussianimagefilter, and the itk doxygen html.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>All the best,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Regards,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Kana <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> G G [mailto:greenlander1986@gmail.com] <br><b>Sent:</b> 01 April 2011 15:43<br><b>To:</b> Arunachalam Kana<br><b>Cc:</b> insight-users@itk.org<br><b>Subject:</b> Re: [Insight-users] DiscreteGaussianImageFilter in function<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'>You are right, but I have to display "unsigned char" image... Do you know name of filter, which convert float image to unsigned char image? <br>Thanks a lot<o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>2011/4/1 Arunachalam Kana <<a href="mailto:Kana.Arunachalam@fh-wels.at">Kana.Arunachalam@fh-wels.at</a>><o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'>Hi,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB style='font-size:11.0pt;color:#1F497D'>Writing the error message will give a better idea for us about what you are facing. </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB style='font-size:11.0pt;color:#1F497D'>Anyways from what i know, the outputimagetype for discretegaussian is a float image. So in your definition</span><o:p></o:p></p><div><p class=MsoNormal><span lang=EN-GB style='font-family:"Courier New"'>typedef itk::DiscreteGaussianImageFilter< TImageType, TImageType > DiscreteGaussianFilterType;</span><o:p></o:p></p></div><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;color:#1F497D'>TImageType should be of float type. So your input image should be a float too. If this is true then i don’t know the bug.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB style='font-size:11.0pt;color:#1F497D'>If your input image is not float then you should change the definition as </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB style='font-family:"Courier New"'>typedef itk::DiscreteGaussianImageFilter< TImageType, TOutputImageType > DiscreteGaussianFilterType;</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB style='font-family:"Courier New"'>TOutputImageType should be a float image.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB style='font-family:"Courier New"'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB style='font-size:11.0pt;color:#1F497D'>This is the only thought sparked in my mind. Please check for this.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB style='font-size:11.0pt;color:#1F497D'>All the best</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB style='font-size:11.0pt;color:#1F497D'>Regards,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><span lang=EN-GB style='font-size:11.0pt;color:#1F497D'>Kana </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB style='font-size:11.0pt;color:#1F497D'> </span><o:p></o:p></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-US style='font-size:10.0pt'>From:</span></b><span lang=EN-US style='font-size:10.0pt'> <a href="mailto:insight-users-bounces@itk.org" target="_blank">insight-users-bounces@itk.org</a> [mailto:<a href="mailto:insight-users-bounces@itk.org" target="_blank">insight-users-bounces@itk.org</a>] <b>On Behalf Of </b>G G<br><b>Sent:</b> 01 April 2011 11:37<br><b>To:</b> insight-users<br><b>Subject:</b> [Insight-users] DiscreteGaussianImageFilter in function</span><o:p></o:p></p></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hi, I dont solve it, so I try to ask here...<br>I have this function<br><br><span style='font-family:"Courier New"'>template<typename TImageTypePointer, typename TImageType> void WatershedCompute::<br> discreteGaussianFilter(TImageTypePointer inputImage, void *poutputImage)<br>{<br> typedef itk::DiscreteGaussianImageFilter< TImageType, TImageType > DiscreteGaussianFilterType;<br> DiscreteGaussianFilterType::Pointer discreteGaussianFilter = DiscreteGaussianFilterType::New();<br> discreteGaussianFilter->SetInput( inputImage );<br> const double gaussianVariance = this->params->Get_discrete_gaussian_variance();<br> const unsigned int maxKernelWidth = this->params->Get_discrete_gaussian_kernel_width();<br> discreteGaussianFilter->SetVariance( gaussianVariance );<br> discreteGaussianFilter->SetMaximumKernelWidth( maxKernelWidth );<br> discreteGaussianFilter->Update(); // this line<br> TImageTypePointer *Pout = (TImageTypePointer *)poutputImage;<br> *Pout = discreteGaussianFilter->GetOutput();<br> return;<br>}</span><br><br>And in <span style='font-family:"Courier New"'>// this line</span> I have "error"... I dont know, if it is error, because I get code from another function, which I dont call, I dont know what is the problem :(<br><br><br>I have another function for example <br><br><span style='font-family:"Courier New"'>template<typename TImageTypePointer, typename TImageType> void WatershedCompute::<br> rescaleIntensityFilter(TImageTypePointer inputImage, void *poutputImage, int min, int max)<br>{<br> typedef itk::RescaleIntensityImageFilter< TImageType, TImageType > RescaleFilterType;<br> RescaleFilterType::Pointer rescaler = RescaleFilterType::New();<br> rescaler->SetOutputMinimum( min );<br> rescaler->SetOutputMaximum( max );<br> rescaler->SetInput( inputImage );<br> rescaler->Update();<br> TImageTypePointer *Pout = (TImageTypePointer *)poutputImage;<br> *Pout = rescaler->GetOutput();<br> return;<br>}</span><br><br>When I call only <span style='font-family:"Courier New"'>rescaleIntensityFilter</span> and dont call <span style='font-family:"Courier New"'>discreteGaussianFilter</span> it is OK. Could someone help me, please? <br>Thanks a lot :-)<o:p></o:p></p></div></div></div></div></div><p class=MsoNormal><o:p> </o:p></p></div></body></html>