[Insight-users] Medianfilter:Requested region is outside..

[doege at mi.fu-berlin.de]

Hi Luis,

1. perhaps I was misleading words, I trying to use the itk::median  
filter with mitk and I think that I am getting an itk error, which  
probably means that I am using either itk or mitk wrong.

2. I am getting the error after using it the first time.

3.:
template < typename TPixel, unsigned int VImageDimension >
void QmitkAutomaticSegmentation::AutomaticSegmentation( itk::Image<  
TPixel, VImageDimension >* itkImage )
{
   typedef itk::Image< TPixel, VImageDimension > InputImageType;  // Image type
   typedef itk::Image< TPixel, VImageDimension > OutputImageType;
   typedef typename InputImageType::IndexType    IndexType;

   //Median Filter
   typedef itk::MedianImageFilter<InputImageType, OutputImageType >  
FilterType; //creating Filtertype
   FilterType::Pointer filter = FilterType::New(); //filter object  
erzeugt filter

   InputImageType::SizeType indexRadius; //Radius for calculating the  
median filter

   indexRadius[0] = 0; // radius along x
   indexRadius[1] = 0; // radius along y
   indexRadius[2] = 0; // radius along z
   filter->SetRadius( indexRadius );


   filter->SetInput( itkImage); //aufrufen des Filters

   std::cout << "Execute the filter";
   filter->UpdateLargestPossibleRegion();

   //filter->Update();


    mitk::Image::Pointer resultImage = mitk::ImportItkImage(  
filter->GetOutput() );
   mitk::DataTreeNode::Pointer newNode = mitk::DataTreeNode::New();
   newNode->SetData( resultImage );


   mitk::DataTreeNodeFactory::SetDefaultImageProperties( newNode );


   // add result to data tree
   mitk::DataStorage::GetInstance()->Add( newNode );

   mitk::RenderingManager::GetInstance()->RequestUpdateAll();
}

Best regards
Juliane

Quoting Luis Ibanez <luis.ibanez at kitware.com>:

>
> Hi Juliane,
>
>
> 1) Why are you implementing a median filter ?
>
>    Is there are reason why the current MedianFilter in ITK
>    is not suitable for what you are doing ?
>
>
> 2) Do you get that error message after running the
>    filter multiple times ?
>
>    or do you get that error in the first run of the filter  ?
>
>
> 3) Can you please post to the list the code of your filter ?
>
>
>    Thanks
>
>
>        Luis
>
>
>
> -----------------------------
> doege at mi.fu-berlin.de wrote:
>> Hello,
>>
>> I am trying to implement a median filter with mitk and getting the   
>>  following itk error:
>> ..\..\..\source\Code\Common\itkDataObject.cxx:
>> 397:Requested region is (at least partially) outside the largest    
>> possible region.
>>
>> I tried to update only the largest possible region but it didn´t   
>> work  either. Does anyone got another idea? I also couldn´t find   
>> out how to  print out the size of the region.
>> I am using dicom images with more than 4 slices.
>>
>> Best regards
>> Juliane
>>
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