itkScalarImageToRunLengthFeaturesFilter.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 __itkScalarImageToRunLengthFeaturesFilter_h
#define __itkScalarImageToRunLengthFeaturesFilter_h

#include "itkDataObjectDecorator.h"

#include "itkHistogramToRunLengthFeaturesFilter.h"
#include "itkScalarImageToRunLengthMatrixFilter.h"

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

  itkTypeMacro(ScalarImageToRunLengthFeaturesFilter, ProcessObject);

  itkNewMacro(Self);

  typedef THistogramFrequencyContainer FrequencyContainerType;
  typedef TImageType                   ImageType;
  typedef typename ImageType::Pointer  ImagePointer;

  typedef typename ImageType::PixelType                PixelType;
  typedef typename ImageType::OffsetType               OffsetType;
  typedef VectorContainer< unsigned char, OffsetType > OffsetVector;
  typedef typename OffsetVector::Pointer               OffsetVectorPointer;
  typedef typename OffsetVector::ConstPointer          OffsetVectorConstPointer;

  typedef ScalarImageToRunLengthMatrixFilter<
    ImageType, FrequencyContainerType >               RunLengthMatrixFilterType;

  typedef typename RunLengthMatrixFilterType::HistogramType
  HistogramType;

  typedef HistogramToRunLengthFeaturesFilter< HistogramType >
  RunLengthFeaturesFilterType;

  typedef short                                    RunLengthFeatureName;
  typedef VectorContainer<unsigned char,
    RunLengthFeatureName>                          FeatureNameVector;
  typedef typename FeatureNameVector::Pointer      FeatureNameVectorPointer;
  typedef typename FeatureNameVector::ConstPointer FeatureNameVectorConstPointer;
  typedef VectorContainer< unsigned char, double > FeatureValueVector;
  typedef typename FeatureValueVector::Pointer     FeatureValueVectorPointer;

  typedef DataObject::Pointer DataObjectPointer;

  typedef DataObjectDecorator< FeatureValueVector >
  FeatureValueVectorDataObjectType;

  const FeatureValueVectorDataObjectType * GetFeatureMeansOutput() const;

  const FeatureValueVectorDataObjectType * GetFeatureStandardDeviationsOutput()
    const;

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

  const ImageType * GetInput() const;

  itkGetConstReferenceObjectMacro(FeatureMeans, FeatureValueVector);
  itkGetConstReferenceObjectMacro(FeatureStandardDeviations, FeatureValueVector);

  itkSetConstObjectMacro(RequestedFeatures, FeatureNameVector);
  itkGetConstObjectMacro(RequestedFeatures, FeatureNameVector);

  itkSetConstObjectMacro(Offsets, OffsetVector);
  itkGetConstObjectMacro(Offsets, OffsetVector);

  void SetNumberOfBinsPerAxis(unsigned int);

  void SetPixelValueMinMax(PixelType min, PixelType max);

  void SetDistanceValueMinMax( double min, double max );

  void SetMaskImage(const ImageType *);

  const ImageType * GetMaskImage() const;

  void SetInsidePixelValue(PixelType InsidePixelValue);

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

protected:
  ScalarImageToRunLengthFeaturesFilter();
  virtual ~ScalarImageToRunLengthFeaturesFilter() {}
  void PrintSelf( std::ostream & os, Indent indent ) const;

  void FastCompute();

  void FullCompute();

  virtual void GenerateData();

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

private:
  typename RunLengthMatrixFilterType::Pointer m_RunLengthMatrixGenerator;

  FeatureValueVectorPointer     m_FeatureMeans;
  FeatureValueVectorPointer     m_FeatureStandardDeviations;
  FeatureNameVectorConstPointer m_RequestedFeatures;
  OffsetVectorConstPointer      m_Offsets;
  bool                          m_FastCalculations;
};
} // end of namespace Statistics
} // end of namespace itk

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

#endif