itkScalarImageTextureCalculator.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkScalarImageTextureCalculator.h,v $
  Language:  C++
  Date:      $Date: 2009-03-04 19:29:54 $
  Version:   $Revision: 1.7 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef __itkScalarImageTextureCalculator_h
#define __itkScalarImageTextureCalculator_h

#include "itkImage.h"
#include "itkObject.h"
#include "itkVectorContainer.h"
#include "itkMacro.h"

#include "itkGreyLevelCooccurrenceMatrixTextureCoefficientsCalculator.h"
#include "itkMaskedScalarImageToGreyLevelCooccurrenceMatrixGenerator.h"

namespace itk {
namespace Statistics {

template< class TImageType,
          class THistogramFrequencyContainer = DenseFrequencyContainer >
class ScalarImageTextureCalculator : public Object
{
public:
  typedef ScalarImageTextureCalculator Self;
  typedef Object                       Superclass;
  typedef SmartPointer<Self>           Pointer;
  typedef SmartPointer<const Self>     ConstPointer;

  itkTypeMacro(ScalarImageTextureCalculator, Object);

  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 MaskedScalarImageToGreyLevelCooccurrenceMatrixGenerator< ImageType,
    FrequencyContainerType > GLCMGeneratorType;
  typedef GreyLevelCooccurrenceMatrixTextureCoefficientsCalculator< typename
  GLCMGeneratorType::HistogramType >                GLCMCalculatorType;
      
  typedef VectorContainer<unsigned char, TextureFeatureName> FeatureNameVector;
  typedef typename FeatureNameVector::Pointer         FeatureNameVectorPointer;
  typedef typename FeatureNameVector::ConstPointer    FeatureNameVectorConstPointer;
  typedef VectorContainer<unsigned char, double>      FeatureValueVector;
  typedef typename FeatureValueVector::Pointer        FeatureValueVectorPointer;
     
  void Compute( void );

  void SetInput( const ImageType * );

  itkGetObjectMacro(FeatureMeans, FeatureValueVector);
  itkGetObjectMacro(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 SetImageMask(const ImageType * );

  void SetInsidePixelValue(PixelType InsidePixelValue);

  itkGetMacro(FastCalculations, bool);
  itkSetMacro(FastCalculations, bool);
  itkBooleanMacro(FastCalculations);
      
protected:
  ScalarImageTextureCalculator();
  virtual ~ScalarImageTextureCalculator() {};
  void PrintSelf(std::ostream& os, Indent indent) const;
  void FastCompute();
  void FullCompute();
      
private:
  typename GLCMGeneratorType::Pointer m_GLCMGenerator;
  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 "itkScalarImageTextureCalculator.txx"
#endif

#endif

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