MSH2004ColorCorrector Class Reference

The class represents a table for color correction. More...

#include <MSH2004ColorCorrector.h>

List of all members.

Public Member Functions
	MSH2004ColorCorrector ()
	Default constructor.
void	getCorrectedPixel (const int x, const int y, unsigned char &Y, unsigned char &U, unsigned char &V) const
	This functions returns a radiometric distortion corrected pixel.
void	getCorrectedColor (const int x, const int y, unsigned char &color, unsigned char spectrum) const
void	correctPixel (Image &source, const int x, const int y) const
	This functions corercts the radiometric distortion of a chosen pixel in an image.
bool	isActive () const
	The function returns whether the corrector is active.
Private Types
enum	{ maxRadialOrder = 10, maxColorOrder = 10, max_radius = 140 }
	radialOrder is the polinomial power (+1) of the radial factor of the color correction. More...
Private Member Functions
void	setupRadiusLUT ()
	The following functions are called by the constructor to build the LookUpTables.
void	setupCorrectionLUT ()
unsigned char	colorDistortionCorrection (const unsigned char radius_i, const unsigned char color, const unsigned char channel) const
	Corrects the radiometric distortion of a single channel of a given pixel, based on the distance from the image center.
Private Attributes
int	radialOrder
int	colorOrder
unsigned char	radiusLUT [cameraResolutionHeight_ERS7][cameraResolutionWidth_ERS7]
unsigned char	colorCorrectionLUT [max_radius][256][3]
	Radius look up table, used to index the correction table.
bool	active
	Correction table.
double	radialP [3 *maxRadialOrder]
	Flag which keeps the corrector status.
double	colorP [3 *maxColorOrder]

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Detailed Description

The class represents a table for color correction.

Definition at line 21 of file MSH2004ColorCorrector.h.

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Member Enumeration Documentation

anonymous enum [private]

radialOrder is the polinomial power (+1) of the radial factor of the color correction. colorOrder is the polinomial power (+1) of the brighness factor of the color correction. Enumeration values: maxRadialOrder  maxColorOrder  max_radius  Definition at line 29 of file MSH2004ColorCorrector.h.

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Constructor & Destructor Documentation

MSH2004ColorCorrector::MSH2004ColorCorrector (   )

Default constructor. Definition at line 15 of file MSH2004ColorCorrector.cpp. References InFile::exists(), getLocation(), setupCorrectionLUT(), and setupRadiusLUT().

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Member Function Documentation

void MSH2004ColorCorrector::setupRadiusLUT (   )  [private]

The following functions are called by the constructor to build the LookUpTables. Definition at line 153 of file MSH2004ColorCorrector.cpp. References cameraResolutionHeight_ERS7, cameraResolutionWidth_ERS7, centralPointX, centralPointY, and radiusLUT. Referenced by MSH2004ColorCorrector().

void MSH2004ColorCorrector::setupCorrectionLUT (   )  [private]

Definition at line 197 of file MSH2004ColorCorrector.cpp. References colorCorrectionLUT, colorDistortionCorrection(), and max_radius. Referenced by MSH2004ColorCorrector().

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unsigned char MSH2004ColorCorrector::colorDistortionCorrection (  const unsigned char  radius_i, const unsigned char  color, const unsigned char  channel )  const [private]

Corrects the radiometric distortion of a single channel of a given pixel, based on the distance from the image center. Parameters: radius_i  The distance of the given pixel from the image center. color  The brightness value of the given channel channel  Selects the channel to which the color distortion is to be applied (Y=0, U=1, V=2). Returns: The corrected value. Definition at line 166 of file MSH2004ColorCorrector.cpp. Referenced by setupCorrectionLUT().

void MSH2004ColorCorrector::getCorrectedPixel (  const int  x, const int  y, unsigned char &  Y, unsigned char &  U, unsigned char &  V )  const [inline]

This functions returns a radiometric distortion corrected pixel. Parameters: x  The x coordinate of the pixel. y  The y coordinate of the pixel. Y  The Y (brightness) color channel (to be) corrected. U  The U (crominance) color channel (to be) corrected. V  The V (crominance) color channel (to be) corrected. Definition at line 67 of file MSH2004ColorCorrector.h. References colorCorrectionLUT, radiusLUT, U(), and Y. Referenced by ColorTableTSL::generateColorClassImage(), and GT2004EdgeDetection::getColor().

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void MSH2004ColorCorrector::getCorrectedColor (  const int  x, const int  y, unsigned char &  color, unsigned char  spectrum )  const [inline]

Definition at line 75 of file MSH2004ColorCorrector.h. References colorCorrectionLUT, and radiusLUT.

void MSH2004ColorCorrector::correctPixel (  Image &  source, const int  x, const int  y )  const [inline]

This functions corercts the radiometric distortion of a chosen pixel in an image. Parameters: source  The source image x  The x coordinate of the pixel. y  The y coordinate of the pixel. Definition at line 87 of file MSH2004ColorCorrector.h. References colorCorrectionLUT, Image::image, radiusLUT, U(), and Y.

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bool MSH2004ColorCorrector::isActive (   )  const [inline]

The function returns whether the corrector is active. Returns: Is it active? Definition at line 103 of file MSH2004ColorCorrector.h.

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Member Data Documentation

int MSH2004ColorCorrector::radialOrder [private]

Definition at line 30 of file MSH2004ColorCorrector.h.

int MSH2004ColorCorrector::colorOrder [private]

Definition at line 31 of file MSH2004ColorCorrector.h.

unsigned char MSH2004ColorCorrector::radiusLUT[cameraResolutionHeight_ERS7][cameraResolutionWidth_ERS7] [private]

Definition at line 33 of file MSH2004ColorCorrector.h. Referenced by correctPixel(), getCorrectedColor(), getCorrectedPixel(), and setupRadiusLUT().

unsigned char MSH2004ColorCorrector::colorCorrectionLUT[max_radius][256][3] [private]

Radius look up table, used to index the correction table. Definition at line 34 of file MSH2004ColorCorrector.h. Referenced by correctPixel(), getCorrectedColor(), getCorrectedPixel(), and setupCorrectionLUT().

bool MSH2004ColorCorrector::active [private]

Correction table. Definition at line 35 of file MSH2004ColorCorrector.h.

double MSH2004ColorCorrector::radialP[3*maxRadialOrder] [private]

Flag which keeps the corrector status. Definition at line 37 of file MSH2004ColorCorrector.h.

double MSH2004ColorCorrector::colorP[3*maxColorOrder] [private]

Definition at line 38 of file MSH2004ColorCorrector.h.

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

• Modules/ImageProcessor/ImageProcessorTools/MSH2004ColorCorrector.h
• Modules/ImageProcessor/ImageProcessorTools/MSH2004ColorCorrector.cpp

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