itkScalarImageToCooccurrenceMatrixFilter.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef __itkScalarImageToCooccurrenceMatrixFilter_h
#define __itkScalarImageToCooccurrenceMatrixFilter_h

#include "itkImage.h"
#include "itkHistogram.h"
#include "itkVectorContainer.h"
#include "itkNumericTraits.h"

namespace itk
{
namespace Statistics
{
template< class TImageType,
          class THistogramFrequencyContainer = DenseFrequencyContainer2 >
class ITK_EXPORT ScalarImageToCooccurrenceMatrixFilter:public ProcessObject
{
public:
  typedef ScalarImageToCooccurrenceMatrixFilter Self;
  typedef ProcessObject                         Superclass;
  typedef SmartPointer< Self >                  Pointer;
  typedef SmartPointer< const Self >            ConstPointer;

  itkTypeMacro(ScalarImageToCooccurrenceMatrixFilter, ProcessObject);

  itkNewMacro(Self);

  typedef TImageType                                   ImageType;
  typedef typename ImageType::Pointer                  ImagePointer;
  typedef typename ImageType::ConstPointer             ImageConstPointer;
  typedef typename ImageType::PixelType                PixelType;
  typedef typename ImageType::RegionType               RegionType;
  typedef typename ImageType::SizeType                 RadiusType;
  typedef typename ImageType::OffsetType               OffsetType;
  typedef VectorContainer< unsigned char, OffsetType > OffsetVector;
  typedef typename OffsetVector::Pointer               OffsetVectorPointer;
  typedef typename OffsetVector::ConstPointer          OffsetVectorConstPointer;

  typedef typename NumericTraits< PixelType >::RealType MeasurementType;

  typedef Histogram< MeasurementType, THistogramFrequencyContainer > HistogramType;
  typedef typename HistogramType::Pointer                            HistogramPointer;
  typedef typename HistogramType::ConstPointer                       HistogramConstPointer;
  typedef typename HistogramType::MeasurementVectorType              MeasurementVectorType;

  itkStaticConstMacro(DefaultBinsPerAxis, unsigned int, 256);

  itkSetConstObjectMacro(Offsets, OffsetVector);
  itkGetConstObjectMacro(Offsets, OffsetVector);
  void SetOffset(const OffsetType offset);

  itkSetMacro(NumberOfBinsPerAxis, unsigned int);
  itkGetConstMacro(NumberOfBinsPerAxis, unsigned int);

  void SetPixelValueMinMax(PixelType min, PixelType max);

  itkGetConstMacro(Min, PixelType);
  itkGetConstMacro(Max, PixelType);

  itkSetMacro(Normalize, bool);
  itkGetConstMacro(Normalize, bool);
  itkBooleanMacro(Normalize);

  using Superclass::SetInput;
  void SetInput(const ImageType *image);

  const ImageType * GetInput() const;

  void SetMaskImage(const ImageType *image);

  const ImageType * GetMaskImage() const;

  const HistogramType * GetOutput() const;

  itkSetMacro(InsidePixelValue, PixelType);
  itkGetConstMacro(InsidePixelValue, PixelType);
protected:
  ScalarImageToCooccurrenceMatrixFilter();
  virtual ~ScalarImageToCooccurrenceMatrixFilter() {}
  void PrintSelf(std::ostream & os, Indent indent) const;

  virtual void FillHistogram(RadiusType radius, RegionType region);

  virtual void FillHistogramWithMask(RadiusType radius, RegionType region, const ImageType *maskImage);

  typedef DataObject::Pointer DataObjectPointer;

  typedef ProcessObject::DataObjectPointerArraySizeType DataObjectPointerArraySizeType;
  using Superclass::MakeOutput;
  virtual DataObjectPointer MakeOutput(DataObjectPointerArraySizeType idx);

  virtual void GenerateData();

private:
  ScalarImageToCooccurrenceMatrixFilter(const Self &); //purposely not
                                                       // implemented
  void operator=(const Self &);                        //purposely not

  // implemented

  void NormalizeHistogram(void);

  OffsetVectorConstPointer m_Offsets;
  PixelType                m_Min;
  PixelType                m_Max;

  unsigned int          m_NumberOfBinsPerAxis;
  MeasurementVectorType m_LowerBound;
  MeasurementVectorType m_UpperBound;
  bool                  m_Normalize;

  PixelType m_InsidePixelValue;
};
} // end of namespace Statistics
} // end of namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkScalarImageToCooccurrenceMatrixFilter.hxx"
#endif

#endif