#include <ImageUtility.h>

Classes
struct	SETVALUE
Static Public Member Functions
static float	myMean (IplImage *img, double n)
static float	mySD (IplImage *img, double n, float mean)
static void	showImage (const char name, IplImage img)
static void	showCircles (const char name, IplImage img, const char eyeFileName, CvPoint xyPupil, int rPupil, CvPoint xyIris, int rIris, int ellipseVal, double *angleVal)
static void	drawCross (IplImage *eyeImg, int centerx, int centery, int xCrossLength, int yCrossLength, CvScalar color)
static IplImage *	convertToGray (IplImage *img)
static Masek::IMAGE *	convertIplToImage (IplImage *iplImg)
static IplImage *	convertImageToIpl (Masek::IMAGE *image)
static char *	SaveEyeImages (IplImage img, char fileName, const char *ch)
static void	SaveImageOptions (IplImage img, char fileName, int frame, const char *str, int num, int totalFrame)
static IplImage *	extractImagePart (IplImage *img, CvRect &rect, int x, int y, int wd, int ht)
static IplImage *	getROIImage (IplImage *eyeImg, int startX, int endX, int startY, int endY)
static Masek::IMAGE *	getROIImage_C (Masek::IMAGE *eyeImg, int startX, int endX, int startY, int endY)
static SETVALUE	setImage (IplImage *eyeImg, CvPoint center, int cr, int xLimit, int yLimit)
static void	myRect (IplImage img, int x, int y, int radius, int destVal)
static void	myXYRect (IplImage img, int x, int y, int width, int height, int destVal)
static void	myRect_C (Masek::IMAGE lidImg, int x, int y, int radius, int destVal)
static int	getValue (int value, int maxSize)

Detailed Description

Image processing utility class.

Member Function Documentation

IplImage * ImageUtility::convertImageToIpl ( Masek::IMAGE * image ) [static]

Converts an IMAGE to an IplImage

Note:: The returned image needs to be deallocated

Parameters:

image Input IMAGE type image

Returns:: Ipl type image

See also:: convertIplToImage

Masek::IMAGE * ImageUtility::convertIplToImage ( IplImage * iplImg ) [static]

Converts an IplImage to an IMAGE.

Note:: The returned image needs to be deallocated

Parameters:

iplImg Input ipl type image

Returns:: IMAGE type image

See also:: convertImageToIpl

IplImage * ImageUtility::convertToGray ( IplImage * img ) [static]

Converts a color image to a gray-scale image.

Note:: The returned image needs to be deallocated

Parameters:

img	Input image

Returns:: Created gray-scale image

void ImageUtility::drawCross	(	IplImage *	eyeImg,
		int	centerx,
		int	centery,
		int	xCrossLength,
		int	yCrossLength,
		CvScalar	color
	)		`[static]`

Displays an image overlaid with a cross.

Parameters:

eyeImg	Input image
centerx	Center X
centery	Center Y
xCrossLength	Cross' length of X
yCrossLength	Cross' length of Y
color	Cross' color

IplImage * ImageUtility::extractImagePart	(	IplImage *	img,
		CvRect &	rect,
		int	x,
		int	y,
		int	wd,
		int	ht
	)		`[static]`

Extracts a rectangular part out of an image.

Note:: The returned image needs to be deallocated

Parameters:

img	input image.
rect	Rectangle info
x	Starting x
y	Starting y
Wd	width
Ht	height

Returns:: Extracted image.

IplImage * ImageUtility::getROIImage	(	IplImage *	eyeImg,
		int	startX,
		int	endX,
		int	startY,
		int	endY
	)		`[static]`

Return the ROI of an image as IplImage.

Parameters:

eyeImg	Input image.
startX	X starting point
endX	X end point
startY	Y starting point
endX	X end point

Returns:: Returns Ipl image of ROI

See also:: getROIImage_C

Masek::IMAGE * ImageUtility::getROIImage_C	(	Masek::IMAGE *	eyeImg,
		int	startX,
		int	endX,
		int	startY,
		int	endY
	)		`[static]`

Returns an ROI of an image as IMAGE.

Parameters:

eyeImg	Input image.
startX	X starting point
endX	X end point
startY	Y starting point
endY	Y end point

Returns:: Returns IMAGE type image of ROI

See also:: getROIImage

int ImageUtility::getValue	(	int	value,
		int	maxSize
	)		`[static]`

Debug values.

Parameters:

value	Actual value.
maxSize	Max width or height

Returns:: Proper value

float ImageUtility::myMean	(	IplImage *	img,
		double	n
	)		`[static]`

Calculates the mean of an image.

Parameters:

img	Input image
n	Total number of pixels

Returns:: Mean value

void ImageUtility::myRect	(	IplImage *	img,
		int	x,
		int	y,
		int	radius,
		int *	destVal
	)		`[static]`

Calculate the square rectangular info.

Parameters:

img	Input image.
x	Input x
y	Input y
radius	Input radius
destVal	Used to return the rect info (0:left, 1:right, 2:bottom, 3:top)

void ImageUtility::myRect_C	(	Masek::IMAGE *	lidImg,
		int	x,
		int	y,
		int	radius,
		int *	destVal
	)		`[static]`

Calculate the square rectangular info of an IMAGE type image.

Parameters:

img	Input image.
x	Input x
y	Input y
radius	Input radius
destVal	Used to return the rect info (0:left, 1:right, 2:bottom, 3:top)

float ImageUtility::mySD	(	IplImage *	img,
		double	n,
		float	mean
	)		`[static]`

Calculates the standard deviation of an image.

Parameters:

img	Input image
n	Total number of pixels
mean	Previously calculated mean value

Returns:: Standard deviation value

See also:: myMean

void ImageUtility::myXYRect	(	IplImage *	img,
		int	x,
		int	y,
		int	width,
		int	height,
		int *	destVal
	)		`[static]`

Calculates the rectangular info with different X and Y radius.

Parameters:

img	Input image.
x	Input x
y	Input y
width	Input X radius
height	Input Y radius
destVal	Used to return the rect info (0:left, 1:right, 2:bottom, 3:top)

char * ImageUtility::SaveEyeImages	(	IplImage *	img,
		char *	fileName,
		const char *	ch
	)		`[static]`

Saves an IplImage as BMP file.

Resulting filename: "<fileName>_<ch>.bmp"

Parameters:

img	Input image
fileName	Filename of the input image
ch	Append the following prefix to the output filename

Returns:: Name of the created file

See also:: SaveImageOptions

void ImageUtility::SaveImageOptions	(	IplImage *	img,
		char *	fileName,
		int	frame,
		const char *	str,
		int	num,
		int	totalFrame
	)		`[static]`

Saves an IplImage along with the position and sequence info encoded in the output filename.

Resulting filename: "<fileName>_F<frame>_<str><num>"

Parameters:

img	Input image
fileName	Filename of the input image
frame	Frame sequence
str	"L" (left) or "R" (right) position
num	Detected eye image sequence

See also:: SaveEyeImages

ImageUtility::SETVALUE ImageUtility::setImage	(	IplImage *	eyeImg,
		CvPoint	center,
		int	cr,
		int	xLimit,
		int	yLimit
	)		`[static]`

Calculates the rectangular info and center point.

Parameters:

eyeImg	Input image.
center	Input center point Rectangle info
cr	Input radius
xLimit	Max. distance of X from the center
yLimit	Max. distance of Y from the center

Returns:: Rect info and center point See also SETVALUE

void ImageUtility::showCircles	(	const char *	name,
		IplImage *	img,
		const char *	eyeFileName,
		CvPoint	xyPupil,
		int	rPupil,
		CvPoint	xyIris,
		int	rIris,
		int *	ellipseVal,
		double *	angleVal
	)		`[static]`

Displays an image overlaid with circles and ellipses.

Note:: The image is modified in the process!

Parameters:

name	Window name (= caption)
img	Input image
eyeFileName	If you would like to save the image, specify a filename
xyPupil	Pupil's center point
rPupil	Pupil's radius
xyIris	Iris' center point
rIris	Iris' radius
ellipseVal	Used to return the ellipse info
angleVal	Used to return the orientation

void ImageUtility::showImage	(	const char *	name,
		IplImage *	img
	)		`[static]`

Displays an image and waits for a keypress.

Note:: Uses OpenCV to display the image

Parameters:

name	Window name (= caption)
img	Input image

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

NIST_VASIR_src_beta_v1.0/VASIR/ImageUtility.h
NIST_VASIR_src_beta_v1.0/VASIR/ImageUtility.cpp

ImageUtility Class Reference

Classes

Static Public Member Functions

Detailed Description

Member Function Documentation