--- /dev/null
+#ifndef __FPA__IMAGE__FUNCTORS__FLUXMEDIALNESS__H__
+#define __FPA__IMAGE__FUNCTORS__FLUXMEDIALNESS__H__
+
+#include <fpa/Image/Functors/GradientImageFunctionBase.h>
+
+namespace fpa
+{
+ namespace Image
+ {
+ namespace Functors
+ {
+ /**
+ */
+ template< class _TGradient >
+ class FluxMedialness
+ : public GradientImageFunctionBase< _TGradient >
+ {
+ public:
+ typedef FluxMedialness Self;
+ typedef GradientImageFunctionBase< _TGradient > Superclass;
+ typedef itk::SmartPointer< Self > Pointer;
+ typedef itk::SmartPointer< const Self > ConstPointer;
+
+ itkStaticConstMacro( Dimension, unsigned int, Superclass::Dimension );
+
+ typedef typename Superclass::TOutput TOutput;
+ typedef typename Superclass::TScalar TScalar;
+ typedef typename Superclass::TIndex TIndex;
+ typedef typename Superclass::TVector TVector;
+ typedef typename Superclass::TPoint TPoint;
+
+ typedef std::vector< double > TRCandidates;
+
+ public:
+ itkNewMacro( Self );
+ itkTypeMacro( FluxMedialness, GradientImageFunctionBase );
+
+ itkGetConstMacro( RadiusStep, double );
+ itkGetConstMacro( MinRadius, double );
+ itkGetConstMacro( MaxRadius, double );
+ itkGetConstMacro( RadialSampling, unsigned int );
+
+ itkSetMacro( RadiusStep, double );
+ itkSetMacro( MinRadius, double );
+ itkSetMacro( MaxRadius, double );
+ itkSetMacro( RadialSampling, unsigned int );
+
+ protected:
+ FluxMedialness( );
+ virtual ~FluxMedialness( );
+
+ virtual TOutput _Evaluate( const TIndex& i ) const;
+
+ private:
+ // Purposely not implemented.
+ FluxMedialness( const Self& );
+ void operator=( const Self& );
+
+ protected:
+ double m_MinRadius;
+ double m_MaxRadius;
+ unsigned int m_RadialSampling;
+ double m_RadiusStep;
+ };
+
+ } // ecapseman
+
+ } // ecapseman
+
+} // ecapseman
+
+#ifndef ITK_MANUAL_INSTANTIATION
+#include <fpa/Image/Functors/FluxMedialness.hxx>
+#endif // ITK_MANUAL_INSTANTIATION
+
+#endif // __FPA__IMAGE__FUNCTORS__FLUXMEDIALNESS__H__
+
+// eof - $RCSfile$
--- /dev/null
+#ifndef __FPA__IMAGE__FUNCTORS__FLUXMEDIALNESS__HXX__
+#define __FPA__IMAGE__FUNCTORS__FLUXMEDIALNESS__HXX__
+
+#include <cmath>
+#include <vnl/vnl_math.h>
+#include <itkLineConstIterator.h>
+
+// -------------------------------------------------------------------------
+template< class _TGradient >
+fpa::Image::Functors::FluxMedialness< _TGradient >::
+FluxMedialness( )
+ : Superclass( ),
+ m_MinRadius( double( 0 ) ),
+ m_MaxRadius( double( 1 ) ),
+ m_RadialSampling( 4 ),
+ m_RadiusStep( double( 1 ) )
+{
+}
+
+// -------------------------------------------------------------------------
+template< class _TGradient >
+fpa::Image::Functors::FluxMedialness< _TGradient >::
+~FluxMedialness( )
+{
+}
+
+// -------------------------------------------------------------------------
+template< class _TGradient >
+typename fpa::Image::Functors::FluxMedialness< _TGradient >::
+TOutput fpa::Image::Functors::FluxMedialness< _TGradient >::
+_Evaluate( const TIndex& i ) const
+{
+ itk::Object::GlobalWarningDisplayOff( );
+
+ double pi2n = double( 2 ) * double( vnl_math::pi );
+ pi2n /= int( this->m_RadialSampling );
+ const _TGradient* img = this->GetInputImage( );
+ // Gradient in central pixel
+ //TVector grad_idx = img->GetPixel( i );
+
+ double Flux1 = 0;
+ double Flux = 0;
+
+ TRCandidates FluxFinal;
+ TRCandidates radiusGenerated;
+ double dR = double( 0 );
+ double optR = double( 0 );
+ TPoint center;
+ img->TransformIndexToPhysicalPoint( i, center );
+ double radius = double(0);
+
+ for( unsigned int cx = 0; cx < Self::Dimension - 1; cx++ )
+ {
+ for( unsigned int cy = cx + 1; cy < Self::Dimension; cy++ )
+ {
+ dR = double( 0 );
+ FluxFinal.clear();
+ radiusGenerated.clear();
+ radius = this->m_MinRadius;
+ while( radius <= this->m_MaxRadius )
+ {
+ Flux = 0;
+ for( unsigned int I_radial = 0; I_radial < this->m_RadialSampling ; I_radial++ )
+ {
+ Flux1 = 0;
+
+ // Direction of first profile
+ typename TPoint::VectorType dir1;
+ dir1.Fill( double( 0 ) );
+ dir1[ cx ] = std::cos( pi2n * double( I_radial ) );
+ dir1[ cy ] = std::sin( pi2n * double( I_radial ) );
+ dir1 *= (radius);
+ TIndex rIdx;
+ if (img->TransformPhysicalPointToIndex( center + dir1, rIdx ))
+ {
+ TVector grad_rIdx = img->GetPixel( rIdx );
+ TVector u_i1;
+ u_i1.SetVnlVector( ( center - ( center + dir1 ) ).GetVnlVector( ) );
+ u_i1.Normalize( );
+ // dot product
+ Flux1 = grad_rIdx * u_i1;
+ }
+
+ Flux += Flux1;
+
+ } // rof
+ //std::cout<<" radius:"<<radius<<std::endl;
+ //std::cout<<"Center:"<<center[0]<<" "<<center[1]<<std::endl;
+ //std::cout<<"edge:"<<center[0]+radius*std::cos( pi2n * double( 0 ) )<<std::endl;
+ Flux /= this->m_RadialSampling;
+ FluxFinal.push_back(Flux);
+ radiusGenerated.push_back(radius);
+ radius += this->m_RadiusStep;
+
+ } //elihw
+
+ dR= *( std::max_element( FluxFinal.begin(), FluxFinal.end() ) );
+ optR= (dR>optR)? dR:optR;
+
+ } // rof
+
+ } // rof
+ return( TScalar(optR) );
+}
+
+#endif // __FPA__IMAGE__FUNCTORS__FLUXMEDIALNESS__HXX__
+
+// eof - $RCSfile$
--- /dev/null
+#ifndef __FPA__IMAGE__FUNCTORS__GRADIENTIMAGEFUNCTIONBASE__H__
+#define __FPA__IMAGE__FUNCTORS__GRADIENTIMAGEFUNCTIONBASE__H__
+
+#include <itkImageFunction.h>
+
+namespace fpa
+{
+ namespace Image
+ {
+ namespace Functors
+ {
+ /**
+ * Base class to compute values based on image gradients (vector).
+ * It allows incremental computation of the gradient.
+ */
+ template< class _TGradient >
+ class GradientImageFunctionBase
+ : public itk::ImageFunction< _TGradient, typename _TGradient::PixelType::ValueType, typename _TGradient::PixelType::ValueType >
+ {
+ public:
+ // Types from input arguments
+ typedef _TGradient TGradient;
+ typedef typename _TGradient::PixelType TVector;
+ typedef typename TVector::ValueType TScalar;
+ itkStaticConstMacro( Dimension, unsigned int, _TGradient::ImageDimension );
+
+ // Standard itk types
+ typedef GradientImageFunctionBase Self;
+ typedef itk::ImageFunction< _TGradient, TScalar, TScalar > Superclass;
+ typedef itk::SmartPointer< Self > Pointer;
+ typedef itk::SmartPointer< const Self > ConstPointer;
+
+ // Types from base itk::ImageFunction
+ typedef typename Superclass::InputType TInput;
+ typedef typename Superclass::OutputType TOutput;
+ typedef typename Superclass::PointType TPoint;
+ typedef typename Superclass::ContinuousIndexType TContIndex;
+ typedef typename Superclass::IndexType TIndex;
+
+ public:
+ itkTypeMacro( GradientImageFunctionBase, itkImageFunction );
+
+ public:
+ virtual void Prepare( ) const;
+ virtual TOutput Evaluate( const TPoint& p ) const;
+ virtual TOutput EvaluateAtIndex( const TIndex& i ) const;
+ virtual TOutput EvaluateAtContinuousIndex( const TContIndex& i ) const;
+
+ protected:
+ GradientImageFunctionBase( );
+ virtual ~GradientImageFunctionBase( );
+
+ virtual TOutput _Evaluate( const TIndex& i ) const = 0;
+
+ private:
+ // Purposely not implemented.
+ GradientImageFunctionBase( const Self& );
+ void operator=( const Self& );
+ };
+
+ } // ecapseman
+
+ } // ecapseman
+
+} // ecapseman
+
+#ifndef ITK_MANUAL_INSTANTIATION
+#include <fpa/Image/Functors/GradientImageFunctionBase.hxx>
+#endif // ITK_MANUAL_INSTANTIATION
+
+#endif // __FPA__IMAGE__FUNCTORS__GRADIENTIMAGEFUNCTIONBASE__H__
+
+// eof - $RCSfile$
--- /dev/null
+#ifndef __FPA__IMAGE__FUNCTORS__GRADIENTIMAGEFUNCTIONBASE__HXX__
+#define __FPA__IMAGE__FUNCTORS__GRADIENTIMAGEFUNCTIONBASE__HXX__
+
+// -------------------------------------------------------------------------
+template< class _TGradient >
+void fpa::Image::Functors::GradientImageFunctionBase< _TGradient >::
+Prepare( ) const
+{
+}
+
+// -------------------------------------------------------------------------
+template< class _TGradient >
+typename fpa::Image::Functors::GradientImageFunctionBase< _TGradient >::
+TOutput fpa::Image::Functors::GradientImageFunctionBase< _TGradient >::
+Evaluate( const TPoint& p ) const
+{
+ TIndex i;
+ this->GetInputImage( )->TransformPhysicalPointToIndex( p, i );
+ return( this->EvaluateAtIndex( i ) );
+}
+
+// -------------------------------------------------------------------------
+template< class _TGradient >
+typename fpa::Image::Functors::GradientImageFunctionBase< _TGradient >::
+TOutput fpa::Image::Functors::GradientImageFunctionBase< _TGradient >::
+EvaluateAtIndex( const TIndex& i ) const
+{
+ return( this->_Evaluate( i ) );
+}
+
+// -------------------------------------------------------------------------
+template< class _TGradient >
+typename fpa::Image::Functors::GradientImageFunctionBase< _TGradient >::
+TOutput fpa::Image::Functors::GradientImageFunctionBase< _TGradient >::
+EvaluateAtContinuousIndex( const TContIndex& i ) const
+{
+ TPoint p;
+ this->GetInputImage( )->TransformContinuousIndexToPhysicalPoint( i, p );
+ return( this->Evaluate( p ) );
+}
+
+// -------------------------------------------------------------------------
+template< class _TGradient >
+fpa::Image::Functors::GradientImageFunctionBase< _TGradient >::
+GradientImageFunctionBase( )
+ : Superclass( )
+{
+}
+
+// -------------------------------------------------------------------------
+template< class _TGradient >
+fpa::Image::Functors::GradientImageFunctionBase< _TGradient >::
+~GradientImageFunctionBase( )
+{
+}
+
+#endif // __FPA__IMAGE__FUNCTORS__GRADIENTIMAGEFUNCTIONBASE__HXX__
+
+// eof - $RCSfile$
--- /dev/null
+#ifndef __FPA__IMAGE__FUNCTORS__GULSUNTEKMEDIALNESS__H__
+#define __FPA__IMAGE__FUNCTORS__GULSUNTEKMEDIALNESS__H__
+
+#include <fpa/Image/Functors/GradientImageFunctionBase.h>
+
+namespace fpa
+{
+ namespace Image
+ {
+ namespace Functors
+ {
+ /**
+ */
+ template< class _TGradient >
+ class GulsunTekMedialness
+ : public GradientImageFunctionBase< _TGradient >
+ {
+ public:
+ typedef GulsunTekMedialness Self;
+ typedef GradientImageFunctionBase< _TGradient > Superclass;
+ typedef itk::SmartPointer< Self > Pointer;
+ typedef itk::SmartPointer< const Self > ConstPointer;
+
+ itkStaticConstMacro( Dimension, unsigned int, Superclass::Dimension );
+
+ typedef typename Superclass::TOutput TOutput;
+ typedef typename Superclass::TScalar TScalar;
+ typedef typename Superclass::TIndex TIndex;
+ typedef typename Superclass::TVector TVector;
+ typedef typename Superclass::TPoint TPoint;
+ typedef typename TIndex::OffsetType TOffset;
+
+ typedef std::vector< double > TProfile;
+ typedef std::vector< TOffset > TOffsets;
+
+ public:
+ itkNewMacro( Self );
+ itkTypeMacro( GulsunTekMedialness, GradientImageFunctionBase );
+
+ itkGetConstMacro( MinRadius, double );
+ itkGetConstMacro( MaxRadius, double );
+ itkGetConstMacro( ProfileSampling, unsigned int );
+ itkGetConstMacro( RadialSampling, unsigned int );
+
+ itkSetMacro( MinRadius, double );
+ itkSetMacro( MaxRadius, double );
+ itkSetMacro( ProfileSampling, unsigned int );
+ itkSetMacro( RadialSampling, unsigned int );
+
+ protected:
+ GulsunTekMedialness( );
+ virtual ~GulsunTekMedialness( );
+
+ virtual TOutput _Evaluate( const TIndex& i ) const;
+
+ private:
+ // Purposely not implemented.
+ GulsunTekMedialness( const Self& );
+ void operator=( const Self& );
+
+ protected:
+ double m_MinRadius;
+ double m_MaxRadius;
+ unsigned int m_ProfileSampling;
+ unsigned int m_RadialSampling;
+ };
+
+ } // ecapseman
+
+ } // ecapseman
+
+} // ecapseman
+
+#ifndef ITK_MANUAL_INSTANTIATION
+#include <fpa/Image/Functors/GulsunTekMedialness.hxx>
+#endif // ITK_MANUAL_INSTANTIATION
+
+#endif // __FPA__IMAGE__FUNCTORS__GULSUNTEKMEDIALNESS__H__
+
+// eof - $RCSfile$
--- /dev/null
+#ifndef __FPA__IMAGE__FUNCTORS__GULSUNTEKMEDIALNESS__HXX__
+#define __FPA__IMAGE__FUNCTORS__GULSUNTEKMEDIALNESS__HXX__
+
+#include <cmath>
+#include <vnl/vnl_math.h>
+#include <itkLineConstIterator.h>
+
+// -------------------------------------------------------------------------
+template< class _TGradient >
+fpa::Image::Functors::GulsunTekMedialness< _TGradient >::
+GulsunTekMedialness( )
+ : Superclass( ),
+ m_MinRadius( double( 0 ) ),
+ m_MaxRadius( double( 1 ) ),
+ m_ProfileSampling( 4 ),
+ m_RadialSampling( 10 )
+{
+}
+
+// -------------------------------------------------------------------------
+template< class _TGradient >
+fpa::Image::Functors::GulsunTekMedialness< _TGradient >::
+~GulsunTekMedialness( )
+{
+}
+
+// -------------------------------------------------------------------------
+template< class _TGradient >
+typename fpa::Image::Functors::GulsunTekMedialness< _TGradient >::
+TOutput fpa::Image::Functors::GulsunTekMedialness< _TGradient >::
+_Evaluate( const TIndex& i ) const
+{
+ itk::Object::GlobalWarningDisplayOff( );
+
+ // Various values
+ const _TGradient* in = this->GetInputImage( );
+ double pi2n =
+ double( 2 ) * double( vnl_math::pi ) /
+ double( this->m_ProfileSampling );
+ double rOff = this->m_MaxRadius / double( this->m_RadialSampling - 1 );
+ double optR = double( 0 );
+ TPoint pnt;
+ in->TransformIndexToPhysicalPoint( i, pnt );
+
+ // Main loop
+ for( unsigned int cx = 0; cx < Self::Dimension - 1; cx++ )
+ {
+ for( unsigned int cy = cx + 1; cy < Self::Dimension; cy++ )
+ {
+ TProfile maxProfile( this->m_RadialSampling, double( 0 ) );
+ for( unsigned int p = 0; p < this->m_ProfileSampling; p++ )
+ {
+ double a = pi2n * double( p );
+
+ // Direction of this profile
+ TVector dir;
+ dir.Fill( TScalar( 0 ) );
+ dir[ cx ] = TScalar( std::cos( a ) );
+ dir[ cy ] = TScalar( std::sin( a ) );
+
+ double maxrise = double( 0 );
+ double maxfall = double( -1 );
+ TProfile profile;
+ for( unsigned int r = 0; r < this->m_RadialSampling; r++ )
+ {
+ double radius = double( r ) * rOff;
+ TIndex idx;
+ typename TPoint::VectorType aux;
+ aux.SetVnlVector( dir.GetVnlVector( ) );
+ if(
+ in->TransformPhysicalPointToIndex( pnt + ( aux * radius ), idx )
+ )
+ {
+ TVector g = in->GetPixel( idx );
+ double b = double( g.GetNorm( ) );
+ if( double( g * dir ) < double( 0 ) )
+ b *= double( -1 );
+ maxrise = ( b > maxrise )? b: maxrise;
+ if( radius >= this->m_MinRadius )
+ maxfall = ( b < maxfall )? b: maxfall;
+ profile.push_back( -b - maxrise );
+ }
+ else
+ profile.push_back( double( 0 ) );
+
+ } // rof
+
+ for( unsigned int r = 0; r < this->m_RadialSampling; r++ )
+ {
+ double E = profile[ r ] / -maxfall;
+ E = ( E < double( 0 ) )? double( 0 ): E;
+ E = ( E > double( 1 ) )? double( 1 ): E;
+ maxProfile[ r ] += E;
+
+ } // rof
+
+ } // rof
+
+ for( unsigned int r = 0; r < this->m_RadialSampling; r++ )
+ {
+ double E = maxProfile[ r ] / double( this->m_RadialSampling );
+ optR = ( E > optR )? E: optR;
+
+ } // rof
+
+ } // rof
+
+ } // rof
+ return( TScalar( optR ) );
+}
+
+#endif // __FPA__IMAGE__FUNCTORS__GULSUNTEKMEDIALNESS__HXX__
+
+// eof - $RCSfile$
--- /dev/null
+#ifndef __FPA__IMAGE__FUNCTORS__MFLUXMEDIALNESS__H__
+#define __FPA__IMAGE__FUNCTORS__MFLUXMEDIALNESS__H__
+
+#include <fpa/Image/Functors/GradientImageFunctionBase.h>
+
+namespace fpa
+{
+ namespace Image
+ {
+ namespace Functors
+ {
+ /**
+ */
+ template< class _TGradient >
+ class MFluxMedialness
+ : public GradientImageFunctionBase< _TGradient >
+ {
+ public:
+ typedef MFluxMedialness Self;
+ typedef GradientImageFunctionBase< _TGradient > Superclass;
+ typedef itk::SmartPointer< Self > Pointer;
+ typedef itk::SmartPointer< const Self > ConstPointer;
+
+ itkStaticConstMacro( Dimension, unsigned int, Superclass::Dimension );
+
+ typedef typename Superclass::TOutput TOutput;
+ typedef typename Superclass::TScalar TScalar;
+ typedef typename Superclass::TIndex TIndex;
+ typedef typename Superclass::TVector TVector;
+ typedef typename Superclass::TPoint TPoint;
+
+ typedef std::vector< double > TRCandidates;
+
+ public:
+ itkNewMacro( Self );
+ itkTypeMacro( MFluxMedialness, GradientImageFunctionBase );
+
+ itkGetConstMacro( RadiusStep, double );
+ itkGetConstMacro( MinRadius, double );
+ itkGetConstMacro( MaxRadius, double );
+ itkGetConstMacro( RadialSampling, unsigned int );
+
+ itkSetMacro( RadiusStep, double );
+ itkSetMacro( MinRadius, double );
+ itkSetMacro( MaxRadius, double );
+ itkSetMacro( RadialSampling, unsigned int );
+
+ protected:
+ MFluxMedialness( );
+ virtual ~MFluxMedialness( );
+
+ virtual TOutput _Evaluate( const TIndex& i ) const;
+
+ private:
+ // Purposely not implemented.
+ MFluxMedialness( const Self& );
+ void operator=( const Self& );
+
+ protected:
+ double m_MinRadius;
+ double m_MaxRadius;
+ unsigned int m_RadialSampling;
+ double m_RadiusStep;
+ };
+
+ } // ecapseman
+
+ } // ecapseman
+
+} // ecapseman
+
+#ifndef ITK_MANUAL_INSTANTIATION
+#include <fpa/Image/Functors/MFluxMedialness.hxx>
+#endif // ITK_MANUAL_INSTANTIATION
+
+#endif // __FPA__IMAGE__FUNCTORS__MFLUXMEDIALNESS__H__
+
+// eof - $RCSfile$
--- /dev/null
+#ifndef __FPA__IMAGE__FUNCTORS__MFLUXMEDIALNESS__HXX__
+#define __FPA__IMAGE__FUNCTORS__MFLUXMEDIALNESS__HXX__
+
+#include <cmath>
+#include <vnl/vnl_math.h>
+#include <itkLineConstIterator.h>
+
+// -------------------------------------------------------------------------
+template< class _TGradient >
+fpa::Image::Functors::MFluxMedialness< _TGradient >::
+MFluxMedialness( )
+ : Superclass( ),
+ m_MinRadius( double( 0 ) ),
+ m_MaxRadius( double( 1 ) ),
+ m_RadialSampling( 4 ),
+ m_RadiusStep( double( 1 ) )
+{
+}
+
+// -------------------------------------------------------------------------
+template< class _TGradient >
+fpa::Image::Functors::MFluxMedialness< _TGradient >::
+~MFluxMedialness( )
+{
+}
+
+// -------------------------------------------------------------------------
+template< class _TGradient >
+typename fpa::Image::Functors::MFluxMedialness< _TGradient >::
+TOutput fpa::Image::Functors::MFluxMedialness< _TGradient >::
+_Evaluate( const TIndex& i ) const
+{
+ itk::Object::GlobalWarningDisplayOff( );
+
+ double pi2n = double( 2 ) * double( vnl_math::pi );
+ pi2n /= int( this->m_RadialSampling );
+ const _TGradient* img = this->GetInputImage( );
+ //const itk::Image::SpacingType& input_spacing = img->GetSpacing( );
+
+ double Flux1 = 0;
+ double Flux2 = 0;
+ double MFlux = 0;
+
+ TRCandidates FluxFinal;
+ TRCandidates radiusGenerated;
+ double dR = double( 0 );
+ double optR = double( 0 );
+ TPoint center;
+ img->TransformIndexToPhysicalPoint( i, center );
+ double radius;
+
+ for( unsigned int cx = 0; cx < Self::Dimension - 1; cx++ )
+ {
+ for( unsigned int cy = cx + 1; cy < Self::Dimension; cy++ )
+ {
+ dR = double( 0 );
+ FluxFinal.clear();
+ radiusGenerated.clear();
+ radius = this->m_MinRadius;
+ while( radius <= this->m_MaxRadius )
+ {
+ MFlux = 0;
+ for( unsigned int I_radial = 0; I_radial < this->m_RadialSampling / 2; I_radial++ )
+ {
+ Flux1 = 0;
+ Flux2 = 0;
+
+ // Direction of first profile
+ typename TPoint::VectorType dir1;
+ dir1.Fill( double( 0 ) );
+ dir1[ cx ] = std::cos( pi2n * double( I_radial ) );
+ dir1[ cy ] = std::sin( pi2n * double( I_radial ) );
+ //dir1 *= (radius);
+
+ TIndex rIdx;
+
+ if ( img->TransformPhysicalPointToIndex( center + (dir1*radius), rIdx ) )
+ {
+ TVector grad_rIdx = img->GetPixel( rIdx );
+ TVector u_i1;
+ u_i1.SetVnlVector( ( center - ( center + dir1 ) ).GetVnlVector( ) );
+ u_i1.Normalize( );
+ // dot product
+ Flux1 = grad_rIdx * u_i1;
+ }
+ else
+ {
+ //if (Self::Dimension==3)
+ //{
+ //std::cout<<"Point Edge x:"<<center[0]+dir1[0] ;
+ //std::cout<<" y:"<<center[1]+dir1[1]<<" z:"<<center[2]+dir1[2]<<std::endl;
+ //}
+ //else if (Self::Dimension==2)
+ //{
+ //std::cout<<"Point Edge x:"<<center[0]+dir1[0] ;
+ //std::cout<<" y:"<<center[1]+dir1[1]<<std::endl;
+ //}
+ }
+
+ // Direction of second profile
+ // pi2n*Iradial + 180°
+ typename TPoint::VectorType dir2;
+ dir2.Fill( double( 0 ) );
+ dir2[ cx ] = std::cos( (pi2n) * double( I_radial ) + double( vnl_math::pi ));
+ dir2[ cy ] = std::sin( (pi2n) * double( I_radial ) + double( vnl_math::pi ));
+
+ TIndex rIdx2;
+
+ if ( img->TransformPhysicalPointToIndex( center + (dir2*radius), rIdx2 ) )
+ {
+ TVector grad_rIdx2 = img->GetPixel( rIdx2 );
+ TVector u_i2;
+ u_i2.SetVnlVector( ( center - ( center + dir2 ) ).GetVnlVector( ) );
+ u_i2.Normalize( );
+
+ Flux2 = grad_rIdx2 * u_i2;
+ }
+ else
+ {
+ //if (Self::Dimension==3)
+ //{
+ //std::cout<<"Point Edge x:"<<center[0]+dir2[0] ;
+ //std::cout<<" y:"<<center[1]+dir2[1]<<" z:"<<center[2]+dir2[2]<<std::endl;
+ //}
+ //else if (Self::Dimension==2)
+ //{
+ //std::cout<<"Point Edge x:"<<center[0]+dir2[0] ;
+ //std::cout<<" y:"<<center[1]+dir2[1]<<std::endl;
+ //}
+ }
+
+ MFlux += std::min( Flux1, Flux2 );
+ } // rof
+
+ //std::cout<<Self::Dimension<<" radius:"<<radius<<std::endl;
+ //std::cout<<"Center:"<<center[0]<<" "<<center[1]<<std::endl;
+ //std::cout<<"edge:"<<center[0]+radius*std::cos( pi2n * double( 0 ) )<<std::endl;
+
+ MFlux *= 2;
+ MFlux /= this->m_RadialSampling;
+ FluxFinal.push_back(MFlux);
+ radiusGenerated.push_back(radius);
+
+ radius += this->m_RadiusStep;
+
+ } //elihw
+
+ dR= *( std::max_element( FluxFinal.begin(), FluxFinal.end() ) );
+ optR= (dR>optR)? dR:optR;
+
+ } // rof
+
+ } // rof
+ return( TScalar(optR) );
+}
+
+#endif // __FPA__IMAGE__FUNCTORS__MFLUXMEDIALNESS__HXX__
+
+// eof - $RCSfile$
${CMAKE_CURRENT_SOURCE_DIR}/ExtractEndPointsAndBifurcationsFromMinimumSpanningTree.h
${CMAKE_CURRENT_SOURCE_DIR}/RegionGrowThresholdFunction.h
${CMAKE_CURRENT_SOURCE_DIR}/InvertCostFunction.h
+ ${CMAKE_CURRENT_SOURCE_DIR}/GradientBaseImageFunctionSource.h
)
SET(
${CMAKE_CURRENT_SOURCE_DIR}/ExtractEndPointsAndBifurcationsFromMinimumSpanningTree.cxx
${CMAKE_CURRENT_SOURCE_DIR}/RegionGrowThresholdFunction.cxx
${CMAKE_CURRENT_SOURCE_DIR}/InvertCostFunction.cxx
+ ${CMAKE_CURRENT_SOURCE_DIR}/GradientBaseImageFunctionSource.cxx
)
SET(
--- /dev/null
+#include "GradientBaseImageFunctionSource.h"
+#include <cpPlugins/Image.h>
+#include <fpa/Image/Functors/GulsunTekMedialness.h>
+#include <fpa/Image/Functors/FluxMedialness.h>
+#include <fpa/Image/Functors/MFluxMedialness.h>
+#include <cpExtensions/Algorithms/ImageFunctionFilter.h>
+#include <fpa/Image/Functors/GulsunTekMedialness.hxx>
+#include <fpa/Image/Functors/FluxMedialness.hxx>
+#include <fpa/Image/Functors/MFluxMedialness.hxx>
+#include <fpa/Image/Functors/GradientImageFunctionBase.hxx>
+#include <cpExtensions/Algorithms/ImageFunctionFilter.hxx>
+#include <itkImageConstIteratorWithIndex.hxx>
+#include <itkImageIteratorWithIndex.hxx>
+#include <itkImageToImageFilter.hxx>
+#include <itkImageFunction.hxx>
+#include <itkImageRegionConstIteratorWithIndex.hxx>
+
+// -------------------------------------------------------------------------
+fpaPlugins::GradientBaseImageFunctionSource::
+GradientBaseImageFunctionSource( )
+ : Superclass( )
+{
+ this->_AddInput( "Input" );
+ this->_AddOutput< cpPlugins::Image >( "Output" );
+
+ std::vector< std::string > choices;
+ choices.push_back( "Gulsun&Tek" );
+ choices.push_back( "Flux" );
+ choices.push_back( "MFlux" );
+ this->m_Parameters.ConfigureAsChoices( "FunctionType", choices );
+ this->m_Parameters.SetSelectedChoice( "FunctionType", "Gulsun&Tek" );
+
+ this->m_Parameters.ConfigureAsReal( "MinRadius" );
+ this->m_Parameters.ConfigureAsReal( "MaxRadius" );
+ this->m_Parameters.ConfigureAsUint( "ProfileSampling" );
+ this->m_Parameters.ConfigureAsUint( "RadialSampling" );
+ this->m_Parameters.SetReal( "MinRadius", 0 );
+ this->m_Parameters.SetReal( "MaxRadius", 1 );
+ this->m_Parameters.SetUint( "ProfileSampling", 4 );
+ this->m_Parameters.SetUint( "RadialSampling", 10 );
+}
+
+// -------------------------------------------------------------------------
+fpaPlugins::GradientBaseImageFunctionSource::
+~GradientBaseImageFunctionSource( )
+{
+}
+
+// -------------------------------------------------------------------------
+std::string fpaPlugins::GradientBaseImageFunctionSource::
+_GenerateData( )
+{
+ auto image = this->GetInputData( "Input" )->GetITK< itk::DataObject >( );
+ std::string cpPlugin_Image_Demangle_VectorPixel_AllFloats( r, _GD0, image, itk::CovariantVector, 2 );
+ if( r != "" ) cpPlugin_Image_Demangle_VectorPixel_AllFloats( r, _GD0, image, itk::CovariantVector, 3 );
+ return( r );
+}
+
+// -------------------------------------------------------------------------
+template< class _TImage >
+std::string fpaPlugins::GradientBaseImageFunctionSource::
+_GD0( _TImage* image )
+{
+ typedef fpa::Image::Functors::GulsunTekMedialness< _TImage > _TGT;
+ typedef fpa::Image::Functors::FluxMedialness< _TImage > _TFl;
+ typedef fpa::Image::Functors::MFluxMedialness< _TImage > _TMFl;
+
+ if( image == NULL )
+ return( "GradientBaseImageFunctionSource: Invalid input image." );
+
+ auto ft = this->m_Parameters.GetSelectedChoice( "FunctionType" );
+ if ( ft == "Gulsun&Tek" ) return( this->_GD1< _TImage, _TGT >( image ) );
+ else if( ft == "Flux" ) return( this->_GD1< _TImage, _TFl >( image ) );
+ else if( ft == "MFlux" ) return( this->_GD1< _TImage, _TMFl >( image ) );
+ else
+ return( "GradientBaseImageFunctionSource: Invalid function type." );
+}
+
+// -------------------------------------------------------------------------
+template< class _TImage, class _TFunction >
+std::string fpaPlugins::GradientBaseImageFunctionSource::
+_GD1( _TImage* image )
+{
+ typedef itk::Image< typename _TFunction::TOutput, _TImage::ImageDimension > _TOutImage;
+ typedef cpExtensions::Algorithms::ImageFunctionFilter< _TImage, _TOutImage, _TFunction > _TFilter;
+
+ _TFilter* filter = this->_CreateITK< _TFilter >( );
+ filter->SetInput( image );
+ _TFunction* function = filter->GetFunction( );
+ if( function == NULL )
+ {
+ filter->SetFunction( _TFunction::New( ) );
+ function = filter->GetFunction( );
+
+ } // fi
+ function->SetMinRadius( this->m_Parameters.GetReal( "MinRadius" ) );
+ function->SetMaxRadius( this->m_Parameters.GetReal( "MaxRadius" ) );
+ /*
+ function->SetProfileSampling( this->m_Parameters.GetUint( "ProfileSampling" ) );
+ function->SetRadialSampling( this->m_Parameters.GetUint( "RadialSampling" ) );
+ */
+
+ filter->Update( );
+
+ // Connect output and finish
+ this->GetOutputData( "Output" )->SetITK( filter->GetOutput( ) );
+ return( "" );
+}
+
+// eof - $RCSfile$
--- /dev/null
+#ifndef __FPAPLUGINS__GRADIENTBASEIMAGEFUNCTIONSOURCE__H__
+#define __FPAPLUGINS__GRADIENTBASEIMAGEFUNCTIONSOURCE__H__
+
+#include <fpa/fpaPlugins_Export.h>
+#include <cpPlugins/ProcessObject.h>
+
+namespace fpaPlugins
+{
+ /**
+ */
+ class fpaPlugins_EXPORT GradientBaseImageFunctionSource
+ : public cpPlugins::ProcessObject
+ {
+ public:
+ typedef GradientBaseImageFunctionSource Self;
+ typedef cpPlugins::ProcessObject Superclass;
+ typedef itk::SmartPointer< Self > Pointer;
+ typedef itk::SmartPointer< const Self > ConstPointer;
+
+ public:
+ itkNewMacro( Self );
+ itkTypeMacro(
+ GradientBaseImageFunctionSource, cpPlugins::ProcessObject
+ );
+ cpPlugins_Id_Macro(
+ GradientBaseImageFunctionSource, fpaImageAlgorithmFunctors
+ );
+
+ protected:
+ GradientBaseImageFunctionSource( );
+ virtual ~GradientBaseImageFunctionSource( );
+
+ virtual std::string _GenerateData( ) ITK_OVERRIDE;
+
+ template< class _TImage >
+ inline std::string _GD0( _TImage* image );
+
+ template< class _TImage, class _TFunction >
+ inline std::string _GD1( _TImage* image );
+
+ private:
+ // Purposely not implemented.
+ GradientBaseImageFunctionSource( const Self& other );
+ Self& operator=( const Self& other );
+ };
+
+} // ecapseman
+
+#endif // __FPAPLUGINS__GRADIENTBASEIMAGEFUNCTIONSOURCE__H__
+
+// eof - $RCSfile$
git://git.creatis.insa-lyon.fr / FrontAlgorithms.git / commitdiff