OTB  6.7.0
Orfeo Toolbox
otbSinclairToReciprocalCoherencyMatrixImageFilter.h
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20 
21 #ifndef otbSinclairToReciprocalCoherencyMatrixImageFilter_h
22 #define otbSinclairToReciprocalCoherencyMatrixImageFilter_h
23 
24 #include "itkMacro.h"
25 #include <complex>
26 #include "otbMath.h"
27 #include "vnl/vnl_matrix.h"
28 
29 #include "otbFunctorImageFilter.h"
30 #include "otbPolarimetryTags.h"
31 
32 namespace otb
33 {
34 namespace Functor
35 {
69 template <class TInput1, class TInput2, class TInput3, class TOutput>
71 {
72 public:
74  typedef typename std::complex <double> ComplexType;
75  typedef vnl_matrix<ComplexType> VNLMatrixType;
76  typedef typename TOutput::ValueType OutputValueType;
77 
78  inline void operator()(TOutput& result, const TInput1& Shh, const TInput2& Shv, const TInput3& Svv) const
79  {
80  const ComplexType S_hh = static_cast<ComplexType>(Shh);
81  const ComplexType S_hv = static_cast<ComplexType>(Shv);
82  const ComplexType S_vv = static_cast<ComplexType>(Svv);
83 
84  VNLMatrixType f3p(3, 1, 0.);
85  f3p[0][0]= (S_hh + S_vv) / ComplexType( std::sqrt(2.0) , 0.0);
86  f3p[1][0]= (S_hh - S_vv) / ComplexType( std::sqrt(2.0) , 0.0);
87  f3p[2][0]= ComplexType( std::sqrt(2.0) , 0.0) * S_hv;
88 
89  VNLMatrixType res = f3p*f3p.conjugate_transpose();
90 
91  result[0] = static_cast<OutputValueType>( res[0][0] );
92  result[1] = static_cast<OutputValueType>( res[0][1] );
93  result[2] = static_cast<OutputValueType>( res[0][2] );
94  result[3] = static_cast<OutputValueType>( res[1][1] );
95  result[4] = static_cast<OutputValueType>( res[1][2] );
96  result[5] = static_cast<OutputValueType>( res[2][2] );
97  }
98 
99  constexpr size_t OutputSize(...) const
100  {
101  // Size of the matrix
102  return 6;
103  }
104 };
105 
106 } // namespace Functor
107 
124 template <typename TInputImage, typename TOutputImage>
126  FunctorImageFilter<Functor::SinclairToReciprocalCoherencyMatrixFunctor<typename TInputImage::PixelType, typename TInputImage::PixelType,
127  typename TInputImage::PixelType, typename TOutputImage::PixelType>,
128  std::tuple<polarimetry_tags::hh, polarimetry_tags::hv_or_vh, polarimetry_tags::vv>>;
130 
131 } // namespace otb
132 
133 #endif
Construct the reciprocal fully polarimetric coherency matrix with Sinclair matrix information...
void operator()(TOutput &result, const TInput1 &Shh, const TInput2 &Shv, const TInput3 &Svv) const
FunctorImageFilter< Functor::SinclairToReciprocalCoherencyMatrixFunctor< typename TInputImage::PixelType, typename TInputImage::PixelType, typename TInputImage::PixelType, typename TOutputImage::PixelType >, std::tuple< polarimetry_tags::hh, polarimetry_tags::hv_or_vh, polarimetry_tags::vv >> SinclairToReciprocalCoherencyMatrixImageFilter
Applies otb::Functor::SinclairToReciprocalCoherencyMatrixFunctor.