mitkCompareImageDataFilter.h

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/*============================================================================
 
The Medical Imaging Interaction Toolkit (MITK)
 
Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.
 
Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.
 
============================================================================*/
 
#ifndef mitkCompareImageDataFilter_h
#define mitkCompareImageDataFilter_h
 
// MITK
#include <mitkImage.h>
#include <mitkImageToImageFilter.h>
 
// ITK
#include <itkImage.h>
 
namespace mitk
{
  struct CompareFilterResults
  {
    void PrintSelf()
    {
      if (!m_FilterCompleted)
      {
        MITK_INFO << "Comparison filter terminated due to an exception: \n " << m_ExceptionMessage;
 
        return;
      }
 
      MITK_INFO << "Min. difference: " << m_MinimumDifference << "\n"
                << "Max. difference: " << m_MaximumDifference << "\n"
                << "Total difference: " << m_TotalDifference << "\n"
                << "Mean difference: " << m_MeanDifference << "\n"
                << "Number of pixels with differences: " << m_PixelsWithDifference;
    }
 
    double m_MinimumDifference;  
    double m_MaximumDifference;  
 
    double m_TotalDifference;  
    double m_MeanDifference;  
    size_t m_PixelsWithDifference;  
 
    bool m_FilterCompleted;  
    std::string m_ExceptionMessage;  
  };
 
  class MITKCORE_EXPORT CompareImageDataFilter : public ImageToImageFilter
  {
  public:
    mitkClassMacro(CompareImageDataFilter, ImageToImageFilter);
    itkSimpleNewMacro(Self);
 
    bool GetResult(size_t threshold = 0);
 
    CompareFilterResults GetCompareResults() { return m_CompareDetails; }
 
    void SetTolerance(double eps) { m_Tolerance = eps; }
 
  protected:
    CompareImageDataFilter();
    ~CompareImageDataFilter() override {}
 
    void GenerateData() override;
 
    void ResetCompareResultsToInitial();
 
    template <typename TPixel, unsigned int VImageDimension>
    void EstimateValueDifference(const itk::Image<TPixel, VImageDimension> *itkImage1,
                                 const mitk::Image *referenceImage);
 
    bool m_CompareResult;  
    CompareFilterResults m_CompareDetails;  
    double m_Tolerance;  
  };
} // end namespace mitk
 
#endif