/usr/include/OTB-5.8/otbWindowedSincInterpolateImageHammingFunction.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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 | /*=========================================================================
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 otbWindowedSincInterpolateImageHammingFunction_h
#define otbWindowedSincInterpolateImageHammingFunction_h
#include "otbWindowedSincInterpolateImageFunctionBase.h"
#include "vnl/vnl_math.h"
namespace otb
{
namespace Function
{
/**
* \class HammingWindowFunction
* \brief Window function for sinc interpolation.
* \f[ w(x) = 0.54 + 0.46 cos(\frac{\pi x}{m} ) \f]
* \sa WindowedSincInterpolateImageHammingFunction
*
* \ingroup OTBInterpolation
*/
template<class TInput = double, class TOutput = double>
class HammingWindowFunction
{
public:
void SetRadius(unsigned int radius)
{
m_Radius = radius;
m_Factor = CONST_PI / static_cast<double>(radius);
}
unsigned int GetRadius() const
{
return m_Radius;
}
double GetFactor()
{
return m_Factor;
}
inline TOutput operator ()(const TInput& A) const
{
double x = static_cast<double>(A);
double px = CONST_PI * x;
double temp = 0.54 + 0.46 * vcl_cos(x * m_Factor);
return (x == 0.0) ? static_cast<TOutput>(temp) : static_cast<TOutput>(temp * vcl_sin(px) / px);
}
private:
// Equal to \f$ \frac{\pi}{m} \f$
double m_Factor;
unsigned int m_Radius;
};
} //namespace Function
/**
* \class WindowedSincInterpolateImageHammingFunction
* \brief Use the WindowedSincInterpolateImageFunctionBase with a Hamming Function.
*
* \sa GenericInterpolatorImageFunction
* \sa Function::GaussianWindowFunction
* \sa Function::HammingWindowFunction
* \sa Function::CosineWindowFunction
* \sa Function::WelchWindowFunction
* \sa Function::LanczosWindowFunction
* \sa Function::BlackmanWindowFunction
* \ingroup ImageFunctionBases ImageInterpolators
*
* \ingroup OTBInterpolation
*/
template<class TInputImage, class TBoundaryCondition = itk::ConstantBoundaryCondition<TInputImage>, class TCoordRep =
double, class TInputInterpolator = double, class TOutputInterpolator = double>
class ITK_EXPORT WindowedSincInterpolateImageHammingFunction :
public WindowedSincInterpolateImageFunctionBase<TInputImage,
typename Function::HammingWindowFunction<TInputInterpolator,
TOutputInterpolator>,
TBoundaryCondition,
TCoordRep>
{
public:
/** Standard class typedefs. */
typedef WindowedSincInterpolateImageHammingFunction Self;
typedef WindowedSincInterpolateImageFunctionBase<TInputImage,
typename Function::HammingWindowFunction<TInputInterpolator,
TOutputInterpolator>,
TBoundaryCondition,
TCoordRep>
Superclass;
typedef itk::SmartPointer<Self> Pointer;
typedef itk::SmartPointer<const Self> ConstPointer;
/** Run-time type information (and related methods). */
itkTypeMacro(WindowedSincInterpolateImageHammingFunction, WindowedSincInterpolateImageFunctionBase);
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Input and output images typedef definition. */
typedef typename Superclass::InputImageType InputImageType;
typedef typename Superclass::OutputType OutputType;
/** Dimension underlying input image. */
itkStaticConstMacro(ImageDimension, unsigned int, Superclass::ImageDimension);
/** Superclass typedef inheritance. */
typedef typename Superclass::IndexType IndexType;
typedef typename Superclass::SizeType SizeType;
typedef typename Superclass::RealType RealType;
typedef typename Superclass::IteratorType IteratorType;
typedef typename Superclass::ContinuousIndexType ContinuousIndexType;
protected:
WindowedSincInterpolateImageHammingFunction() {};
~WindowedSincInterpolateImageHammingFunction() ITK_OVERRIDE {}
void PrintSelf(std::ostream& os, itk::Indent indent) const ITK_OVERRIDE
{
Superclass::PrintSelf(os, indent);
}
private:
WindowedSincInterpolateImageHammingFunction(const Self &); //purposely not implemented
void operator =(const Self&); //purposely not implemented
};
} // end namespace otb
#endif
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