/usr/include/OTB-6.4/otbProlateInterpolateImageFunction.txx is in libotb-dev 6.4.0+dfsg-1.
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 | /*
* Copyright (C) 2005-2017 Centre National d'Etudes Spatiales (CNES)
*
* This file is part of Orfeo Toolbox
*
* https://www.orfeo-toolbox.org/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef otbProlateInterpolateImageFunction_txx
#define otbProlateInterpolateImageFunction_txx
#include "otbProlateInterpolateImageFunction.h"
namespace otb
{
namespace Function
{
template<class TInput, class TOutput>
double
ProlateFunction<TInput, TOutput>
::ComputeEnergy(double resampleRatio) const
{
vnl_vector<vcl_complex<double> > resampledProfile(1024);
resampledProfile.fill(0);
for (unsigned int i = 0; i < m_Radius + 1; ++i)
{
unsigned int ival =
static_cast<unsigned int>(static_cast<double>(m_OriginalProfile.size() * i) / static_cast<double>(m_Radius + 1));
resampledProfile[i] = m_OriginalProfile[ival];
}
vnl_fft_1d<double> v1d(1024);
v1d.fwd_transform(resampledProfile);
// Carrful, spectrum is symmetrical
unsigned int sampleNb = static_cast<unsigned int>(1024 / (2 * resampleRatio));
double energy = 0.;
// First part of spectrum
for (unsigned int j = 0; j < sampleNb + 1; ++j)
{
energy += std::abs(resampledProfile[j]) * std::abs(resampledProfile[j]);
}
// Last part of spectrum
for (unsigned int j = 1023; j > 1023 - sampleNb; j--)
{
energy += std::abs(resampledProfile[j]) * std::abs(resampledProfile[j]);
}
double totalEnergy = energy;
// Middle part
for (unsigned int j = sampleNb + 1; j < 1023 - sampleNb + 1; ++j)
{
totalEnergy += std::abs(resampledProfile[j]) * std::abs(resampledProfile[j]);
}
return std::sqrt(energy) / std::sqrt(totalEnergy);
}
} // end namespace Function
/** Constructor */
template<class TInputImage, class TBoundaryCondition, class TCoordRep, class TInputInterpolator,
class TOutputInterpolator>
ProlateInterpolateImageFunction<TInputImage, TBoundaryCondition, TCoordRep, TInputInterpolator, TOutputInterpolator>
::ProlateInterpolateImageFunction()
{
//VectorType m_ResampledProfil(1, 0.);
this->SetNormalizeWeight(true);
}
/** Destructor */
template<class TInputImage, class TBoundaryCondition, class TCoordRep, class TInputInterpolator,
class TOutputInterpolator>
ProlateInterpolateImageFunction<TInputImage, TBoundaryCondition, TCoordRep, TInputInterpolator, TOutputInterpolator>
::~ProlateInterpolateImageFunction()
{
}
template<class TInputImage, class TBoundaryCondition, class TCoordRep, class TInputInterpolator,
class TOutputInterpolator>
void
ProlateInterpolateImageFunction<TInputImage, TBoundaryCondition, TCoordRep, TInputInterpolator, TOutputInterpolator>
::PrintSelf(std::ostream& os, itk::Indent indent) const
{
Superclass::PrintSelf(os, indent);
}
} //namespace otb
#endif
|