itkEnhancedHistogramToNeighbourhoodGreyLevelDifferenceFeaturesFilter.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.

============================================================================*/

/*=========================================================================
*
*  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 __itkEnhancedHistogramToNeighbourhoodGreyLevelDifferenceFeaturesFilter_h
#define __itkEnhancedHistogramToNeighbourhoodGreyLevelDifferenceFeaturesFilter_h

#include "itkHistogram.h"
#include "itkMacro.h"
#include "itkProcessObject.h"
#include "itkSimpleDataObjectDecorator.h"

namespace itk {
  namespace Statistics {
    template< typename THistogram >
    class EnhancedHistogramToNeighbourhoodGreyLevelDifferenceFeaturesFilter : public ProcessObject
    {
    public:
      typedef EnhancedHistogramToNeighbourhoodGreyLevelDifferenceFeaturesFilter     Self;
      typedef ProcessObject                          Superclass;
      typedef SmartPointer<Self>                     Pointer;
      typedef SmartPointer<const Self>               ConstPointer;

      itkTypeMacro( EnhancedHistogramToNeighbourhoodGreyLevelDifferenceFeaturesFilter, ProcessObject );

      itkNewMacro( Self );

      typedef THistogram                                      HistogramType;
      typedef typename HistogramType::Pointer                 HistogramPointer;
      typedef typename HistogramType::ConstPointer            HistogramConstPointer;
      typedef typename HistogramType::MeasurementType         MeasurementType;
      typedef typename HistogramType::MeasurementVectorType   MeasurementVectorType;
      typedef typename HistogramType::IndexType               IndexType;
      typedef typename HistogramType::
        TotalAbsoluteFrequencyType                            FrequencyType;

      using Superclass::SetInput;
      void SetInput (const HistogramType * histogram );
      const HistogramType * GetInput() const;

      typedef DataObject::Pointer                   DataObjectPointer;

      typedef SimpleDataObjectDecorator<MeasurementType>     MeasurementObjectType;

      MeasurementType GetCoarseness() const;
      const MeasurementObjectType* GetCoarsenessOutput() const;

      MeasurementType GetContrast() const;
      const MeasurementObjectType* GetContrastOutput() const;

      MeasurementType GetBusyness() const;
      const MeasurementObjectType* GetBusynessOutput() const;

      MeasurementType GetComplexity() const;
      const MeasurementObjectType* GetComplexityOutput() const;

      MeasurementType GetStrength() const;
      const MeasurementObjectType* GetStrengthOutput() const;

      itkGetMacro( TotalNumberOfValidVoxels, unsigned long );

      itkGetConstMacro(NumberOfVoxels, unsigned long);
      itkSetMacro(NumberOfVoxels, unsigned long);

      void SetSiMatrix(double* matrix)
      {
        m_siMatrix = matrix;
      }

      typedef enum
      {
        Coarseness,
        Contrast,
        Busyness,
        Complexity,
        Strength
      }  NeighbourhoodGreyLevelDifferenceFeatureName;

      MeasurementType GetFeature( NeighbourhoodGreyLevelDifferenceFeatureName name );

    protected:
      EnhancedHistogramToNeighbourhoodGreyLevelDifferenceFeaturesFilter();
      ~EnhancedHistogramToNeighbourhoodGreyLevelDifferenceFeaturesFilter() override {};
      void PrintSelf(std::ostream& os, Indent indent) const ITK_OVERRIDE;

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

      void GenerateData() ITK_OVERRIDE;

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

      unsigned long                           m_TotalNumberOfValidVoxels;
      unsigned long                           m_NumberOfVoxels;

      double*                                 m_siMatrix;
    };
  } // end of namespace Statistics
} // end of namespace itk

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

#endif