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src » Image

LowPass.H File Reference

Detailed Description

low-pass filtering and smoothing functions

Definition in file LowPass.H.

#include "Util/Promotions.H"

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Go to the source code of this file.

Functions

template<class T_or_RGB>
Image< typename promote_trait<
T_or_RGB, float >::TP > 		lowPass3 (const Image< T_or_RGB > &src, const bool go_x=true, const bool go_y=true)
 Low-pass filter, coeff * [0.25 0.5 0.25], applied separably in X and Y.
template<class T_or_RGB>
Image< typename promote_trait<
T_or_RGB, float >::TP > 		lowPass3x (const Image< T_or_RGB > &src)
 Low-pass filter, coeff * [0.25 0.5 0.25], applied in X.
template<class T_or_RGB>
Image< typename promote_trait<
T_or_RGB, float >::TP > 		lowPass3y (const Image< T_or_RGB > &src)
 Low-pass filter, coeff * [0.25 0.5 0.25], applied in Y.
template<class T_or_RGB>
Image< typename promote_trait<
T_or_RGB, float >::TP > 		lowPass5 (const Image< T_or_RGB > &src, const bool go_x=true, const bool go_y=true)
 Low-pass filter, Anderson's 5x5 separable.
template<class T_or_RGB>
Image< typename promote_trait<
T_or_RGB, float >::TP > 		lowPass5x (const Image< T_or_RGB > &src)
 Low-pass filter, Anderson's 5x5 separable, applied in X.
template<class T_or_RGB>
Image< typename promote_trait<
T_or_RGB, float >::TP > 		lowPass5y (const Image< T_or_RGB > &src)
 Low-pass filter, Anderson's 5x5 separable, applied in Y.
template<class T_or_RGB>
Image< typename promote_trait<
T_or_RGB, float >::TP > 		lowPass5xDecX (const Image< T_or_RGB > &src, const int factor=2)
 Low-pass filter, Anderson's 5x5 separable, applied in X, and X decimated by factor.
template<class T_or_RGB>
Image< typename promote_trait<
T_or_RGB, float >::TP > 		lowPass5yDecY (const Image< T_or_RGB > &src, const int factor=2)
 Low-pass filter, Anderson's 5x5 separable, applied in Y, and Y decimated by factor.
template<class T_or_RGB>
Image< typename promote_trait<
T_or_RGB, float >::TP > 		lowPass9 (const Image< T_or_RGB > &src, const bool go_x=true, const bool go_y=true)
 Low-pass filter, 9x9 separable.
template<class T_or_RGB>
Image< typename promote_trait<
T_or_RGB, float >::TP > 		lowPass9x (const Image< T_or_RGB > &src)
 Low-pass filter, 9x9 separable, applied in X.
template<class T_or_RGB>
Image< typename promote_trait<
T_or_RGB, float >::TP > 		lowPass9y (const Image< T_or_RGB > &src)
 Low-pass filter, 9x9 separable, applied in Y.
template<class T_or_RGB>
Image< typename promote_trait<
T_or_RGB, float >::TP > 		lowPass (const int N, const Image< T_or_RGB > &src, const bool go_x=true, const bool go_y=true)
 Low-pass filter, NxN separable.
template<class T_or_RGB>
Image< typename promote_trait<
T_or_RGB, float >::TP > 		lowPassX (const int N, const Image< T_or_RGB > &src)
 Low-pass filter, NxN separable, applied in X.
template<class T_or_RGB>
Image< typename promote_trait<
T_or_RGB, float >::TP > 		lowPassY (const int N, const Image< T_or_RGB > &src)
 Low-pass filter, NxN separable, applied in Y.
template<class T_or_RGB>
Image< T_or_RGB > median3x (const Image< T_or_RGB > &in)
 Apply a 3-pt median filter in the x direction.
template<class T_or_RGB>
Image< T_or_RGB > median3y (const Image< T_or_RGB > &in)
 Apply a 3-pt median filter in the y direction.
template<class T_or_RGB>
Image< T_or_RGB > median3 (const Image< T_or_RGB > &in, bool go_x=true, bool go_y=true)
 Apply a 3-pt median filter in the x and/or y directions;.
template<class T_or_RGB>
Image< typename promote_trait<
T_or_RGB, float >::TP > 		convGauss (const Image< T_or_RGB > &src, const float sigmaX, const float sigmaY, const float threshperc)
 convolve with a separable 2D gaussian

Function Documentation

template<class T_or_RGB>
Image<typename promote_trait<T_or_RGB, float>::TP> convGauss (  const Image< T_or_RGB > &  src,
const float  sigmaX,
const float  sigmaY,
const float  threshperc
) 
 

convolve with a separable 2D gaussian

template<class T_or_RGB>
Image<typename promote_trait<T_or_RGB, float>::TP> lowPass (  const int  N,
const Image< T_or_RGB > &  src,
const bool  go_x = true,
const bool  go_y = true
) 
 

Low-pass filter, NxN separable.

Just forwards to lowPass3/lowPass5/lowPass9, but allows the filter width to be selected at runtime.

template<class T_or_RGB>
Image<typename promote_trait<T_or_RGB, float>::TP> lowPass3 (  const Image< T_or_RGB > &  src,
const bool  go_x = true,
const bool  go_y = true
) 
 

Low-pass filter, coeff * [0.25 0.5 0.25], applied separably in X and Y.

template<class T_or_RGB>
Image<typename promote_trait<T_or_RGB, float>::TP> lowPass3x (  const Image< T_or_RGB > &  src  ) 
 

Low-pass filter, coeff * [0.25 0.5 0.25], applied in X.

template<class T_or_RGB>
Image<typename promote_trait<T_or_RGB, float>::TP> lowPass3y (  const Image< T_or_RGB > &  src  ) 
 

Low-pass filter, coeff * [0.25 0.5 0.25], applied in Y.

template<class T_or_RGB>
Image<typename promote_trait<T_or_RGB, float>::TP> lowPass5 (  const Image< T_or_RGB > &  src,
const bool  go_x = true,
const bool  go_y = true
) 
 

Low-pass filter, Anderson's 5x5 separable.

template<class T_or_RGB>
Image<typename promote_trait<T_or_RGB, float>::TP> lowPass5x (  const Image< T_or_RGB > &  src  ) 
 

Low-pass filter, Anderson's 5x5 separable, applied in X.

template<class T_or_RGB>
Image<typename promote_trait<T_or_RGB, float>::TP> lowPass5xDecX (  const Image< T_or_RGB > &  src,
const int  factor = 2
) 
 

Low-pass filter, Anderson's 5x5 separable, applied in X, and X decimated by factor.

template<class T_or_RGB>
Image<typename promote_trait<T_or_RGB, float>::TP> lowPass5y (  const Image< T_or_RGB > &  src  ) 
 

Low-pass filter, Anderson's 5x5 separable, applied in Y.

template<class T_or_RGB>
Image<typename promote_trait<T_or_RGB, float>::TP> lowPass5yDecY (  const Image< T_or_RGB > &  src,
const int  factor = 2
) 
 

Low-pass filter, Anderson's 5x5 separable, applied in Y, and Y decimated by factor.

template<class T_or_RGB>
Image<typename promote_trait<T_or_RGB, float>::TP> lowPass9 (  const Image< T_or_RGB > &  src,
const bool  go_x = true,
const bool  go_y = true
) 
 

Low-pass filter, 9x9 separable.

template<class T_or_RGB>
Image<typename promote_trait<T_or_RGB, float>::TP> lowPass9x (  const Image< T_or_RGB > &  src  ) 
 

Low-pass filter, 9x9 separable, applied in X.

template<class T_or_RGB>
Image<typename promote_trait<T_or_RGB, float>::TP> lowPass9y (  const Image< T_or_RGB > &  src  ) 
 

Low-pass filter, 9x9 separable, applied in Y.

template<class T_or_RGB>
Image<typename promote_trait<T_or_RGB, float>::TP> lowPassX (  const int  N,
const Image< T_or_RGB > &  src
) 
 

Low-pass filter, NxN separable, applied in X.

Just forwards to lowPass3x/lowPass5x/lowPass9x, but allows the filter width to be selected at runtime.

template<class T_or_RGB>
Image<typename promote_trait<T_or_RGB, float>::TP> lowPassY (  const int  N,
const Image< T_or_RGB > &  src
) 
 

Low-pass filter, NxN separable, applied in Y.

Just forwards to lowPass3y/lowPass5y/lowPass9y, but allows the filter width to be selected at runtime.

template<class T_or_RGB>
Image<T_or_RGB> median3 (  const Image< T_or_RGB > &  in,
bool  go_x = true,
bool  go_y = true
) 
 

Apply a 3-pt median filter in the x and/or y directions;.

template<class T_or_RGB>
Image<T_or_RGB> median3x (  const Image< T_or_RGB > &  in  ) 
 

Apply a 3-pt median filter in the x direction.

template<class T_or_RGB>
Image<T_or_RGB> median3y (  const Image< T_or_RGB > &  in  ) 
 

Apply a 3-pt median filter in the y direction.

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