stira::filter::DifferenceOfGaussians Class Reference

Creates a Difference of Gaussians filtered image http://en.wikipedia.org/wiki/Difference_of_Gaussians. More...

#include <DifferenceOfGaussians.h>

Public Member Functions
	DifferenceOfGaussians ()
	constructor
	~DifferenceOfGaussians ()
	destructor

Static Public Member Functions
static ArrayGrid< double > *	Run (ArrayGrid< double > *pGridIn, double sigmaX1, double sigmaY1, double sigmaX2, double sigmaY2)
	Filters a grid with a Difference of Gaussians filterkernel. More...
static ArrayGrid< double > *	Run (ArrayGrid< double > *pGridIn, double sigmaX1, double sigmaX2, double sigmaY)
	Filters a grid with a Difference of Gaussians filterkernel. More...
static Image *	Run (Image *pImageIn, double sigmaX1, double sigmaY1, double sigmaX2, double sigmaY2)
	Filters an image with a Difference of Gaussians filterkernel. More...
static Image *	Run (Image *pImageIn, double sigmaX1, double sigmaX2, double sigmaY)
	Filters an image with a Difference of Gaussians filterkernel. More...

Detailed Description

Creates a Difference of Gaussians filtered image http://en.wikipedia.org/wiki/Difference_of_Gaussians.

Member Function Documentation

ArrayGrid< double > * stira::filter::DifferenceOfGaussians::Run ( ArrayGrid< double > *  pGridIn, double  sigmaX1, double  sigmaY1, double  sigmaX2, double  sigmaY2  )

static

Filters a grid with a Difference of Gaussians filterkernel.

Parameters

pGridIn	input grid to be filtered
sigmaX1	sigma in X direction for the narrowest gaussian
sigmaY1	sigma in Y direction for the narrowest gaussian
sigmaX2	sigma in X direction for the broadest gaussian
sigmaY2	sigma in Y direction for the broadest gaussian

Returns

the resulting filtered grid

References stira::fouriertools::FFT::Convolve(), stira::imagedata::GridExtender< T >::CropBorder(), stira::imagetools::GridGenerator::GenerateGaussian(), stira::imagedata::ArrayGrid< T >::GetHeight(), stira::imagedata::ArrayGrid< T >::GetWidth(), stira::imagetools::ImageIO::GRADIENT_OUT, stira::imagedata::GridExtender< T >::MirrorBorder(), stira::imagedata::ArrayGrid< T >::SubtractGrid(), and stira::imagetools::ImageIO::WritePGM().

ArrayGrid< double > * stira::filter::DifferenceOfGaussians::Run ( ArrayGrid< double > *  pGridIn, double  sigmaX1, double  sigmaX2, double  sigmaY  )

static

Filters a grid with a Difference of Gaussians filterkernel.

Parameters

pGridIn	input grid to be filtered
sigmaX1	sigma in X direction for the narrowest gaussian
sigmaX2	sigma in X direction for the broadest gaussian
sigmaY	sigma in Y direction

Returns

the resulting filtered grid

Image * stira::filter::DifferenceOfGaussians::Run ( Image *  pImageIn, double  sigmaX1, double  sigmaY1, double  sigmaX2, double  sigmaY2  )

static

Filters an image with a Difference of Gaussians filterkernel.

Parameters

pImageIn	input image to be filtered
sigmaX1	sigma in X direction for the narrowest gaussian
sigmaY1	sigma in Y direction for the narrowest gaussian
sigmaX2	sigma in X direction for the broadest gaussian
sigmaY2	sigma in Y direction for the broadest gaussian

Returns

the resulting filtered image

References stira::imagedata::Image::AddBand(), stira::imagedata::Image::GetBands(), stira::imagedata::Image::GetHeight(), stira::imagedata::Image::GetNumberOfBands(), and stira::imagedata::Image::GetWidth().

Image * stira::filter::DifferenceOfGaussians::Run ( Image *  pImageIn, double  sigmaX1, double  sigmaX2, double  sigmaY  )

static

Filters an image with a Difference of Gaussians filterkernel.

Parameters

pImageIn	input image to be filtered
sigmaX1	sigma in X direction for the narrowest gaussian
sigmaX2	sigma in X direction for the broadest gaussian
sigmaY	sigma in Y direction

Returns

the resulting filtered image

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The documentation for this class was generated from the following files:

• filter/filter/DifferenceOfGaussians.h
• filter/filter/DifferenceOfGaussians.cpp