improc.cpp File Reference

Definitions for image processing. More...

#include "improc.hpp"

Include dependency graph for improc.cpp:

Go to the source code of this file.

Functions
void	adaptiveDownsample (const cv::Mat &src, cv::Mat &dst, int code, double factor)
void	addBorder (cv::Mat &inputMat, int borderSize)
void	applyFilter (const cv::Mat &src, cv::Mat &dst, int filter, double param)
void	applyIntensityShift (const cv::Mat &src1, cv::Mat &dst1, const cv::Mat &src2, cv::Mat &dst2, double grad, double shift)
bool	checkIfActuallyGray (const cv::Mat &im)
void	clusterRectangles (vector< cv::Rect > &rectangles, double minOverlap)
void	combineImages (const cv::Mat &im1, const cv::Mat &im2, cv::Mat &dst)
void	contourDimensions (vector< cv::Point > contour, double &width, double &height)
	Determine the width and height of a contour (in x and y directions at this stage)
void	convert16bitTo8bitConfidence (const cv::Mat &src, const cv::Mat &conf, cv::Mat &dst)
	Converts a 16-bit matrix to a 3 channel 8 bit matrix, with the third channel assigned confidence values.
void	convertToTemperatureMat (const cv::Mat &src, cv::Mat &dst)
	Converts a 16-bit image encoding temperature into floating point format.
void	convertVectorToPoint (vector< cv::Point2f > &input, vector< cv::Point > &output)
	Convert a vector from 'Point2f' format to 'Point' format.
void	convertVectorToPoint2f (vector< cv::Point > &input, vector< cv::Point2f > &output)
	Convert a vector from 'Point' format to 'Point2f' format.
void	copyContour (vector< cv::Point > &src, vector< cv::Point > &dst)
	Makes a copy of a contour.
void	createGaussianMatrix (cv::Mat &gaussianMat, double sigmaFactor)
	Creates a gaussian intensity distribution in a given matrix.
void	cropImage (cv::Mat &image, cv::Point tl, cv::Point br)
	Very basic image cropping.
void	down_level (cv::Mat &dst, cv::Mat &src)
	16-bit to 8-bit
void	drawGrid (const cv::Mat &src, cv::Mat &dst, int mode)
void	drawLinesBetweenPoints (cv::Mat &image, const vector< cv::Point2f > &src, const vector< cv::Point2f > &dst)
	Draws lines between initial and corrected points.
double	findBestAlpha (const cv::Mat &K, const cv::Mat &coeff, const cv::Size &camSize)
cv::Point	findCentroid (vector< cv::Point > &contour)
	Finds centroid of a contour.
cv::Point2f	findCentroid2f (vector< cv::Point > &contour)
	Finds centroid of a contour.
void	findIntensityValues (double *vals, cv::Mat &im, cv::Mat &mask)
void	findPercentiles (const cv::Mat &img, double *vals, double *percentiles, unsigned int num)
void	fix_bottom_right (cv::Mat &mat)
void	fixedDownsample (const cv::Mat &src, cv::Mat &dst, double center, double range)
void	generateHistogram (cv::Mat &src, cv::Mat &dst, double *im_hist, double *im_summ, double *im_stat)
	Obtains histogram and other image statistics.
void	histExpand8 (const cv::Mat &src, cv::Mat &dst)
void	invertMatIntensities (const cv::Mat &src, cv::Mat &dst)
	Inverts the pixel intensities of a matrix.
cv::Rect	meanRectangle (vector< cv::Rect > &rectangles)
void	mixImages (cv::Mat &dst, cv::vector< cv::Mat > &images)
void	normalize_16 (cv::Mat &dst, const cv::Mat &src, double dblmin, double dblmax)
	Stretches the histogram to span the whole 16-bit scale (16-bit to 16-bit)
void	normalize_64_vec (cv::Mat &dst, cv::Mat &src)
cv::Mat	normForDisplay (cv::Mat origMat)
void	obtainColorRepresentation (cv::Mat &src, cv::Mat &dst)
void	obtainEightBitRepresentation (cv::Mat &src, cv::Mat &dst)
void	process8bitImage (const cv::Mat &src, cv::Mat &dst, int code, double factor)
cv::Point	rectangle_center (cv::Rect input)
bool	rectangle_contains_centroid (cv::Rect mainRectangle, cv::Rect innerRectangle)
double	rectangleOverlap (cv::Rect rectangle1, cv::Rect rectangle2)
void	reduceToPureImage (cv::Mat &dst, cv::Mat &src)
double	scoreColorImage (const cv::Mat &src)
	Returns a score which reflects the information content of the image for visualization.
double	scoreThermalImage (const cv::Mat &src)
	Returns a score which reflects the information content of the image for visualization.
void	shiftIntensities (cv::Mat &im, double scaler, double shifter, double downer)
void	simpleResize (cv::Mat &src, cv::Mat &dst, cv::Size size)
	Resizes an image without interpolation.
void	splitMultimodalImage (const cv::Mat &src, cv::Mat &therm, cv::Mat &vis)
void	swapElements (vector< cv::Point2f > &corners, int index1, int index2)
	Swaps the position of two elements in a point vector.
void	temperatureDownsample (const cv::Mat &src, cv::Mat &dst, double minVal, double maxVal)
	Downsamples a temperature matrix to an 8-bit image.
void	temperatureDownsample16 (const cv::Mat &src, cv::Mat &dst)
	Downsamples a temperature matrix to a 16-bit image using Optris-like linear scaling.
void	thresholdRawImage (cv::Mat &img, double *vals)
	Sets pixel values in 16-bit image that are above or below limits to the limits themselves.
void	transferElement (vector< cv::Point2f > &dst, vector< cv::Point2f > &src, int index)
	Move a point from one vector to another, resize and shift old vector.
void	trimToDimensions (cv::Mat &image, int width, int height)
	Trims the top/bottom or sides of the image to get the correct ratio.
void	unpackTo8bit3Channel (const cv::Mat &src, cv::Mat &dst)
	Stores a 16-bit monochrome image in the first 2 channels of a CV_8UC3 mat.
void	weightedMixture (cv::Mat &dst, const cv::vector< cv::Mat > &srcs, const std::vector< double > &weightings)

---

Detailed Description

Definitions for image processing.

Definition in file improc.cpp.

---

Function Documentation

void adaptiveDownsample	(	const cv::Mat &	src,
		cv::Mat &	dst,
		int	code,
		double	factor
	)

Definition at line 754 of file improc.cpp.

void addBorder	(	cv::Mat &	inputMat,
		int	borderSize
	)

Definition at line 1645 of file improc.cpp.

void applyFilter	(	const cv::Mat &	src,
		cv::Mat &	dst,
		int	filter,
		double	param
	)

Definition at line 163 of file improc.cpp.

void applyIntensityShift	(	const cv::Mat &	src1,
		cv::Mat &	dst1,
		const cv::Mat &	src2,
		cv::Mat &	dst2,
		double	grad,
		double	shift
	)

Definition at line 371 of file improc.cpp.

bool checkIfActuallyGray

(

const cv::Mat &

im

)

Definition at line 1303 of file improc.cpp.

void clusterRectangles	(	vector< cv::Rect > &	rectangles,
		double	minOverlap
	)

Definition at line 464 of file improc.cpp.

void combineImages	(	const cv::Mat &	im1,
		const cv::Mat &	im2,
		cv::Mat &	dst
	)

Definition at line 54 of file improc.cpp.

void contourDimensions	(	vector< cv::Point >	contour,
		double &	width,
		double &	height
	)

Determine the width and height of a contour (in x and y directions at this stage)

Definition at line 1203 of file improc.cpp.

void convert16bitTo8bitConfidence	(	const cv::Mat &	src,
		const cv::Mat &	conf,
		cv::Mat &	dst
	)

Converts a 16-bit matrix to a 3 channel 8 bit matrix, with the third channel assigned confidence values.

Definition at line 326 of file improc.cpp.

void convertToTemperatureMat	(	const cv::Mat &	src,
		cv::Mat &	dst
	)

Converts a 16-bit image encoding temperature into floating point format.

Definition at line 291 of file improc.cpp.

void convertVectorToPoint	(	vector< cv::Point2f > &	input,
		vector< cv::Point > &	output
	)

Convert a vector from 'Point2f' format to 'Point' format.

Definition at line 1080 of file improc.cpp.

void convertVectorToPoint2f	(	vector< cv::Point > &	input,
		vector< cv::Point2f > &	output
	)

Convert a vector from 'Point' format to 'Point2f' format.

Definition at line 1090 of file improc.cpp.

void copyContour	(	vector< cv::Point > &	src,
		vector< cv::Point > &	dst
	)

Makes a copy of a contour.

Definition at line 1129 of file improc.cpp.

void createGaussianMatrix	(	cv::Mat &	gaussianMat,
		double	sigmaFactor
	)

Creates a gaussian intensity distribution in a given matrix.

Definition at line 909 of file improc.cpp.

void cropImage	(	cv::Mat &	image,
		cv::Point	tl,
		cv::Point	br
	)

Very basic image cropping.

Definition at line 1001 of file improc.cpp.

void down_level	(	cv::Mat &	dst,
		cv::Mat &	src
	)

16-bit to 8-bit

Definition at line 1597 of file improc.cpp.

void drawGrid	(	const cv::Mat &	src,
		cv::Mat &	dst,
		int	mode
	)

Definition at line 404 of file improc.cpp.

void drawLinesBetweenPoints	(	cv::Mat &	image,
		const vector< cv::Point2f > &	src,
		const vector< cv::Point2f > &	dst
	)

Draws lines between initial and corrected points.

Definition at line 867 of file improc.cpp.

double findBestAlpha	(	const cv::Mat &	K,
		const cv::Mat &	coeff,
		const cv::Size &	camSize
	)

Definition at line 95 of file improc.cpp.

cv::Point findCentroid

(

vector< cv::Point > &

contour

)

Finds centroid of a contour.

Definition at line 883 of file improc.cpp.

cv::Point2f findCentroid2f

(

vector< cv::Point > &

contour

)

Finds centroid of a contour.

Definition at line 896 of file improc.cpp.

void findIntensityValues	(	double *	vals,
		cv::Mat &	im,
		cv::Mat &	mask
	)

Definition at line 1439 of file improc.cpp.

void findPercentiles	(	const cv::Mat &	img,
		double *	vals,
		double *	percentiles,
		unsigned int	num
	)

Definition at line 1344 of file improc.cpp.

void fix_bottom_right

(

cv::Mat &

mat

)

Definition at line 1570 of file improc.cpp.

void fixedDownsample	(	const cv::Mat &	src,
		cv::Mat &	dst,
		double	center,
		double	range
	)

Definition at line 356 of file improc.cpp.

void generateHistogram	(	cv::Mat &	src,
		cv::Mat &	dst,
		double *	im_hist,
		double *	im_summ,
		double *	im_stat
	)

Obtains histogram and other image statistics.

Definition at line 3030 of file improc.cpp.

void histExpand8	(	const cv::Mat &	src,
		cv::Mat &	dst
	)

Definition at line 445 of file improc.cpp.

void invertMatIntensities	(	const cv::Mat &	src,
		cv::Mat &	dst
	)

Inverts the pixel intensities of a matrix.

Definition at line 1154 of file improc.cpp.

cv::Rect meanRectangle

(

vector< cv::Rect > &

rectangles

)

Definition at line 521 of file improc.cpp.

void mixImages	(	cv::Mat &	dst,
		cv::vector< cv::Mat > &	images
	)

Definition at line 583 of file improc.cpp.

void normalize_16	(	cv::Mat &	dst,
		const cv::Mat &	src,
		double	dblmin,
		double	dblmax
	)

Stretches the histogram to span the whole 16-bit scale (16-bit to 16-bit)

Definition at line 1693 of file improc.cpp.

void normalize_64_vec	(	cv::Mat &	dst,
		cv::Mat &	src
	)

Definition at line 1658 of file improc.cpp.

cv::Mat normForDisplay

(

cv::Mat

origMat

)

Definition at line 3177 of file improc.cpp.

void obtainColorRepresentation	(	cv::Mat &	src,
		cv::Mat &	dst
	)

Definition at line 1547 of file improc.cpp.

void obtainEightBitRepresentation	(	cv::Mat &	src,
		cv::Mat &	dst
	)

Definition at line 1526 of file improc.cpp.

void process8bitImage	(	const cv::Mat &	src,
		cv::Mat &	dst,
		int	code,
		double	factor
	)

Definition at line 735 of file improc.cpp.

cv::Point rectangle_center

(

cv::Rect

input

)

Definition at line 628 of file improc.cpp.

bool rectangle_contains_centroid	(	cv::Rect	mainRectangle,
		cv::Rect	innerRectangle
	)

Definition at line 617 of file improc.cpp.

double rectangleOverlap	(	cv::Rect	rectangle1,
		cv::Rect	rectangle2
	)

Definition at line 638 of file improc.cpp.

void reduceToPureImage	(	cv::Mat &	dst,
		cv::Mat &	src
	)

Definition at line 1611 of file improc.cpp.

double scoreColorImage

(

const cv::Mat &

src

)

Returns a score which reflects the information content of the image for visualization.

Definition at line 7 of file improc.cpp.

double scoreThermalImage

(

const cv::Mat &

src

)

Returns a score which reflects the information content of the image for visualization.

Definition at line 26 of file improc.cpp.

void shiftIntensities	(	cv::Mat &	im,
		double	scaler,
		double	shifter,
		double	downer
	)

Definition at line 1418 of file improc.cpp.

void simpleResize	(	cv::Mat &	src,
		cv::Mat &	dst,
		cv::Size	size
	)

Resizes an image without interpolation.

Definition at line 1103 of file improc.cpp.

void splitMultimodalImage	(	const cv::Mat &	src,
		cv::Mat &	therm,
		cv::Mat &	vis
	)

Definition at line 148 of file improc.cpp.

void swapElements	(	vector< cv::Point2f > &	corners,
		int	index1,
		int	index2
	)

Swaps the position of two elements in a point vector.

Definition at line 1142 of file improc.cpp.

void temperatureDownsample	(	const cv::Mat &	src,
		cv::Mat &	dst,
		double	minVal,
		double	maxVal
	)

Downsamples a temperature matrix to an 8-bit image.

Definition at line 268 of file improc.cpp.

void temperatureDownsample16	(	const cv::Mat &	src,
		cv::Mat &	dst
	)

Downsamples a temperature matrix to a 16-bit image using Optris-like linear scaling.

Definition at line 308 of file improc.cpp.

void thresholdRawImage	(	cv::Mat &	img,
		double *	vals
	)

Sets pixel values in 16-bit image that are above or below limits to the limits themselves.

Definition at line 1327 of file improc.cpp.

void transferElement	(	vector< cv::Point2f > &	dst,
		vector< cv::Point2f > &	src,
		int	index
	)

Move a point from one vector to another, resize and shift old vector.

Definition at line 1283 of file improc.cpp.

void trimToDimensions	(	cv::Mat &	image,
		int	width,
		int	height
	)

Trims the top/bottom or sides of the image to get the correct ratio.

Definition at line 662 of file improc.cpp.

void unpackTo8bit3Channel	(	const cv::Mat &	src,
		cv::Mat &	dst
	)

Stores a 16-bit monochrome image in the first 2 channels of a CV_8UC3 mat.

Definition at line 71 of file improc.cpp.

void weightedMixture	(	cv::Mat &	dst,
		const cv::vector< cv::Mat > &	srcs,
		const std::vector< double > &	weightings
	)

Definition at line 543 of file improc.cpp.