/usr/include/OTB-5.8/otbComplexMomentsImageFunction.txx is in libotb-dev 5.8.0+dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 | /*=========================================================================
Program: ORFEO Toolbox
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
See OTBCopyright.txt 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 otbComplexMomentsImageFunction_txx
#define otbComplexMomentsImageFunction_txx
#include "otbComplexMomentsImageFunction.h"
#include "itkConstNeighborhoodIterator.h"
#include "itkNumericTraits.h"
namespace otb
{
/**
* Constructor
*/
template <class TInputImage, class TCoordRep>
ComplexMomentsImageFunction<TInputImage, TCoordRep>
::ComplexMomentsImageFunction()
{
m_NeighborhoodRadius = 1;
m_Pmax = 4;
m_Qmax = 4;
}
template <class TInputImage, class TCoordRep>
void
ComplexMomentsImageFunction<TInputImage, TCoordRep>
::PrintSelf(std::ostream& os, itk::Indent indent) const
{
this->Superclass::PrintSelf(os, indent);
os << indent << " p indice maximum value : " << m_Pmax << std::endl;
os << indent << " q indice maximum value : " << m_Qmax << std::endl;
os << indent << " Neighborhood radius value : " << m_NeighborhoodRadius << std::endl;
}
template <class TInputImage, class TCoordRep>
typename ComplexMomentsImageFunction<TInputImage, TCoordRep>::OutputType
ComplexMomentsImageFunction<TInputImage, TCoordRep>
::EvaluateAtIndex(const IndexType& index) const
{
// Build moments vector
OutputType moments;
moments.resize(m_Pmax+1);
// Initialize moments
for (unsigned int p = 0; p <= m_Pmax; p++)
{
moments[p].resize(m_Qmax+1);
for (unsigned int q = 0; q <= m_Qmax; q++)
{
moments[p][q] = ScalarComplexType(0.0, 0.0);
}
}
// Check for input image
if( !this->GetInputImage() )
{
return moments;
}
// Check for out of buffer
if ( !this->IsInsideBuffer( index ) )
{
return moments;
}
// Create an N-d neighborhood kernel, using a zeroflux boundary condition
typename InputImageType::SizeType kernelSize;
kernelSize.Fill( m_NeighborhoodRadius );
itk::ConstNeighborhoodIterator<InputImageType>
it(kernelSize, this->GetInputImage(), this->GetInputImage()->GetBufferedRegion());
// Set the iterator at the desired location
it.SetLocation(index);
// Walk the neighborhood
const unsigned int size = it.Size();
for (unsigned int i = 0; i < size; ++i)
{
// Retrieve value, and centered-reduced position
ScalarRealType value = static_cast<ScalarRealType>(it.GetPixel(i));
ScalarRealType x = static_cast<ScalarRealType>(it.GetOffset(i)[0])/(2*m_NeighborhoodRadius+1);
ScalarRealType y = static_cast<ScalarRealType>(it.GetOffset(i)[1])/(2*m_NeighborhoodRadius+1);
// Build complex value
ScalarComplexType xpy(x, y), xqy(x, -y);
// Update cumulants
for (unsigned int p = 0; p <= m_Pmax; p++)
{
for (unsigned int q= 0; q <= m_Qmax; q++)
{
ScalarComplexType pow1(1,0);
ScalarComplexType pow2(1,0);
if(p!=0 || x!=0 || y != 0)
{
pow1 = std::pow(xpy, static_cast<int>(p) );
}
if(q!=0 || x!=0 || y != 0)
{
pow2 = std::pow(xqy, static_cast<int>(q) );
}
moments[p][q] += pow1 * pow2 * value;
}
}
}
// Normalisation
for (int p = m_Pmax; p >= 0; p--)
{
for (int q= m_Qmax; q >= 0; q--)
{
moments[p][q] /= moments[0][0];
}
}
// Return result
return moments;
}
} // namespace otb
#endif
|