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

[doege at mi.fu-berlin.de]

Sorry, of course I doesn´t want to set it 0,0,0 it was just a try  
after 1,1,1 didn´t work out, and I forgot to set it back, but I got  
the same error.

Quoting Andreas Schuh <andreas.schuh.84 at googlemail.com>:

> Hi Juliane,
>
> does it make sense that you want to apply the median filter without
> considering any neighborhood?
> What do you think is the median of just a single value?
> That the radius is set to [0, 0, 0] may be your problem.
> Try at least [1, 1, 1] instead, which is the default radius used by
> itk::MedianImageFilter.
>
> --
> regards
> Andreas
>
> doege at mi.fu-berlin.de schrieb:
>> 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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>>
>>
>>
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