lib/fpa/Image/Functors/GaussianModelEstimatorFunction.hxx

   1 #ifndef __FPA__IMAGE__FUNCTORS__GAUSSIANMODELESTIMATORFUNCTION__HXX__
   2 #define __FPA__IMAGE__FUNCTORS__GAUSSIANMODELESTIMATORFUNCTION__HXX__
   3
   4 // -------------------------------------------------------------------------
   5 template< class I, class S >
   6 bool fpa::Image::Functors::GaussianModelEstimatorFunction< I, S >::
   7 Evaluate( const typename I::PixelType& rgb ) const
   8 {
   9   if( !this->m_Estimating )
  10   {
  11     this->m_Estimator->AddSample( this->m_YPbPrFunction( rgb ) );
  12     if( this->m_Estimator->GetNumberOfSamples( ) == this->m_ModelSupport )
  13     {
  14       this->m_Estimating = true;
  15       this->m_Estimator->UpdateModel( );
  16
  17     } // fi
  18     return( true );
  19   }
  20   else
  21   {
  22     S p = this->m_Estimator->Probability( this->m_YPbPrFunction( rgb ) );
  23     return( p > this->m_Estimator->GetMinimumProbability( ) );
  24
  25   } // fi
  26 }
  27
  28 // -------------------------------------------------------------------------
  29 template< class I, class S >
  30 fpa::Image::Functors::GaussianModelEstimatorFunction< I, S >::
  31 GaussianModelEstimatorFunction( )
  32   : Superclass( ),
  33     m_ModelSupport( 10 )
  34 {
  35   this->m_Estimator = TEstimator::New( );
  36   this->m_Estimator->Clear( );
  37   this->m_Estimating = false;
  38 }
  39
  40 // -------------------------------------------------------------------------
  41 template< class I, class S >
  42 fpa::Image::Functors::GaussianModelEstimatorFunction< I, S >::
  43 ~GaussianModelEstimatorFunction( )
  44 {
  45 }
  46
  47 #endif // __FPA__IMAGE__FUNCTORS__GAUSSIANMODELESTIMATORFUNCTION__HXX__
  48
  49 // eof - $RCSfile$