mitkHistogramGenerator.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 mitkHistogramGenerator_h
#define mitkHistogramGenerator_h
 
#include "mitkImage.h"
#include <itkHistogram.h>
#include <itkImage.h>
#include <itkObject.h>
 
namespace mitk
{
  //##Documentation
  //## @brief Provides an easy way to calculate an itk::Histogram for a mitk::Image
  //##
  class MITKCORE_EXPORT HistogramGenerator : public itk::Object
  {
  public:
    mitkClassMacroItkParent(HistogramGenerator, itk::Object);
 
    itkFactorylessNewMacro(Self);
 
    itkCloneMacro(Self) typedef itk::Statistics::Histogram<double> HistogramType;
 
    itkSetMacro(Image, mitk::Image::ConstPointer);
    itkSetMacro(Size, int);
    itkGetConstMacro(Size, int);
    itkGetConstObjectMacro(Histogram, HistogramType);
 
    // TODO: calculate if needed in GetHistogram()
    void ComputeHistogram();
    float GetMaximumFrequency() const;
    static float CalculateMaximumFrequency(const HistogramType *histogram);
 
  protected:
    HistogramGenerator();
 
    ~HistogramGenerator() override;
 
    mitk::Image::ConstPointer m_Image;
    int m_Size;
    HistogramType::ConstPointer m_Histogram;
  };
 
} // namespace mitk
 
#endif