itkScalarImageToCooccurrenceMatrixFilter.h

Go to the documentation of this file.

/*=========================================================================
 *
 *  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"
#include "itkProcessObject.h"

namespace itk
{
namespace Statistics
{
template< typename TImageType,
          typename THistogramFrequencyContainer = DenseFrequencyContainer2 >
class ITK_TEMPLATE_EXPORT ScalarImageToCooccurrenceMatrixFilter:public ProcessObject
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(ScalarImageToCooccurrenceMatrixFilter);

  using Self = ScalarImageToCooccurrenceMatrixFilter;
  using Superclass = ProcessObject;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkTypeMacro(ScalarImageToCooccurrenceMatrixFilter, ProcessObject);

  itkNewMacro(Self);

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

  using MeasurementType = typename NumericTraits< PixelType >::RealType;

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

  static constexpr unsigned int DefaultBinsPerAxis = 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();
  ~ScalarImageToCooccurrenceMatrixFilter() override = default;
  void PrintSelf(std::ostream & os, Indent indent) const override;

  virtual void FillHistogram(RadiusType radius, RegionType region);

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

  using DataObjectPointer = DataObject::Pointer;

  using DataObjectPointerArraySizeType = ProcessObject::DataObjectPointerArraySizeType;
  using Superclass::MakeOutput;
  DataObjectPointer MakeOutput(DataObjectPointerArraySizeType idx) override;

  void GenerateData() override;

private:
  void NormalizeHistogram();

  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