/usr/include/OTB-5.8/otbEnvelopeSavitzkyGolayInterpolationFunctor.h is in libotb-dev 5.8.0+dfsg-3.
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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 | /*=========================================================================
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 otbEnvelopeSavitzkyGolayInterpolationFunctor_h
#define otbEnvelopeSavitzkyGolayInterpolationFunctor_h
#include "otbSavitzkyGolayInterpolationFunctor.h"
namespace otb
{
namespace Functor
{
/** \class otbEnvelopeSavitzkyGolayInterpolationFunctor
*
* \brief: This class implements a Savitzky-Golay interpolation
* fitting the upper or lower envelope of the series being interpolated.
*
* \sa otbSavitzkyGolayInterpolationFunctor
*
* \ingroup OTBTimeSeries
*/
template <unsigned int Radius, class TSeries, class TDates, class TWeight = TSeries>
class EnvelopeSavitzkyGolayInterpolationFunctor
{
public:
typedef typename TSeries::ValueType ValueType;
typedef typename TDates::ValueType DateType;
typedef typename TWeight::ValueType WeightType;
static const unsigned int Degree = 2;
typedef double CoefficientPrecisionType;
typedef otb::PolynomialTimeSeries< Degree, CoefficientPrecisionType > TSFunctionType;
static const unsigned int nbDates = TSeries::Dimension;
typedef otb::Functor::SavitzkyGolayInterpolationFunctor<Radius, TSeries, TDates, TWeight> SGFunctorType;
/// Constructor
EnvelopeSavitzkyGolayInterpolationFunctor() : m_Iterations(2), m_UpperEnvelope(true), m_DecreaseFactor(0.5)
{
}
/// Destructor
virtual ~EnvelopeSavitzkyGolayInterpolationFunctor() {}
inline void SetWeights(const TWeight weights)
{
for(unsigned int i=0; i<m_WeightSeries.Size(); ++i)
m_WeightSeries[i] = weights[i];
m_SGFunctor.SetWeights( weights );
}
inline void SetDates(const TDates doy)
{
m_SGFunctor.SetDates( doy );
}
inline void SetUpperEnvelope()
{
m_UpperEnvelope = true;
}
inline void SetLowerEnvelope()
{
m_UpperEnvelope = false;
}
inline void SetDecreaseFactor(double df)
{
if(df>0.0 && df <1.0)
m_DecreaseFactor = df;
}
inline void SetIterations(unsigned int its)
{
m_Iterations = its;
}
inline TSeries operator ()(const TSeries& series)
{
TSeries outSeries = m_SGFunctor(series);
for(unsigned int i=0; i<m_Iterations; ++i)
{
for(unsigned int j=0; j<nbDates; ++j)
{
if( m_UpperEnvelope && outSeries[j]<series[j] )
m_WeightSeries[j] = m_WeightSeries[j]*m_DecreaseFactor;
if( !m_UpperEnvelope && outSeries[j]>series[j] )
m_WeightSeries[j] = m_WeightSeries[j]*m_DecreaseFactor;
}
m_SGFunctor.SetWeights(m_WeightSeries);
outSeries = m_SGFunctor(series);
}
return outSeries;
}
private:
TWeight m_WeightSeries;
SGFunctorType m_SGFunctor;
unsigned int m_Iterations;
bool m_UpperEnvelope;
double m_DecreaseFactor;
};
}
} //namespace otb
#endif
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