DetectText Class Reference

#include <text_detect.h>

Classes
struct	bgr
struct	Pair
struct	Word
Public Member Functions
void	detect (Mat &image)
void	detect (string filename)
	DetectText ()
vector< Rect > &	getBoxesBothSides ()
Mat &	getDetection ()
vector< string > &	getWords ()
void	readLetterCorrelation (const char *filename)
void	readWordList (const char *filename)
void	testEditDistance ()
void	testGetCorrelationIndex ()
void	testInsertToList ()
void	testMergePairs ()
	~DetectText ()
Public Attributes
std::vector< Rotated >	rotated
Private Types
enum	FontColor { BRIGHT = 1, DARK = 2 }
enum	Mode { IMAGE = 1, STREAM = 2 }
enum	Purpose { UPDATE = 1, REFINE = 2 }
enum	Result { COARSE = 1, FINE = 2 }
Private Member Functions
void	chainPairs (Mat &ccmap)
void	chainToBox (vector< vector< int > > &chain, vector< Rect > &boundingBox)
int	connectComponentAnalysis (const Mat &swtmap, Mat &ccmap)
int	countInnerLetterCandidates (bool *array)
void	detect ()
void	disposal ()
float	editDistanceFont (const string &s, const string &t)
void	filterBoundingBoxes (vector< Rect > &boundingBoxes, Mat &ccmap, int rejectRatio)
Mat	filterPatch (const Mat &patch)
void	findRotationangles (int blackWhite)
int	getCorrelationIndex (char letter)
float	getMeanIntensity (const Mat &ccmap, const Rect &rect, int element)
float	getMedianStrokeWidth (const Mat &ccmap, const Mat &swtmap, const Rect &rect, int element)
void	getNearestWord (const string &str, string &nearestWord)
void	getTopkWords (const string &str, const int k, vector< Word > &words)
void	groupLetters (const Mat &swtmap, const Mat &ccmap)
void	identifyLetters (const Mat &swtmap, const Mat &ccmap)
int	ImageAdjust (IplImage src, IplImage dst, double low, double high, double bottom, double top, double gamma)
float	insertToList (vector< Word > &words, Word &word)
void	merge (const vector< int > &token, vector< int > &chain)
bool	mergePairs (const vector< vector< int > > &initialChains, vector< vector< int > > &chains)
void	mergePairs (const vector< Pair > &groups, vector< vector< int > > &chains)
float	ocrRead (const Mat &imagePatch, string &output, int actual)
void	ocrRead (vector< Rect > &boundingBoxes)
void	overlapBoundingBoxes (vector< Rect > &boundingBoxes)
void	overlayText (vector< Rect > &box, vector< string > &text)
void	pipeline (int blackWhite)
void	preprocess (Mat &image)
void	showBoundingBoxes (vector< Rect > &boxes, vector< bool > &text)
void	showBoundingBoxes (vector< Rect > &boxes)
void	showCcmap (Mat &ccmap)
void	showEdgeMap ()
void	showLetterDetection ()
void	showLetterGroup ()
void	showSwtmap (Mat &swtmap)
float	spellCheck (string &str, string &output, int method)
void	strokeWidthTransform (const Mat &image, Mat &swtmap, int searchDirection)
void	testEdgePoints (vector< Point > &edgepoints)
string &	trim (string &str)
void	updateStrokeWidth (Mat &swtmap, vector< Point > &startPoints, vector< Point > &strokePoints, int searchDirection, Purpose purpose)
Static Private Member Functions
static int	editDistance (const string &s, const string &t)
static bool	spaticalOrder (Rect a, Rect b)
Private Attributes
vector< Rect >	boundingBoxes_
vector< Rect >	boxesBothSides_
vector< float >	boxesScores_
vector< bool >	boxInbox_
float *	componentsMeanIntensity_
float *	componentsMedianStrokeWidth_
vector< Rect >	componentsRoi_
Mat	correlation_
Mat	detection_
Mat	edgemap_
vector< Point >	edgepoints_
bool	eval
string	filename_
bool	firstPass_
FontColor	fontColor_
vector< vector< int > >	horizontalChains_
vector< Pair >	horizontalLetterGroups_
Mat	image_
float	initialStrokeWidth_
vector< bool * >	innerComponents_
bool *	isGrouped_
bool *	isLetterComponects_
float	maxLetterHeight_
float	maxStrokeWidth_
float	minLetterHeight_
Mode	mode_
size_t	nComponent_
Mat	originalImage_
string	outputPrefix_
Result	result_
int	textDisplayOffset_
Mat	theta_
vector< vector< int > >	verticalChains_
vector< Pair >	verticalLetterGroups_
vector< string >	wordList_
vector< string >	wordsBothSides_

Detailed Description

Definition at line 26 of file text_detect.h.

Member Enumeration Documentation

enum DetectText::FontColor [private]

Enumerator:

BRIGHT
DARK

Definition at line 67 of file text_detect.h.

enum DetectText::Mode [private]

Enumerator:

IMAGE
STREAM

Definition at line 62 of file text_detect.h.

enum DetectText::Purpose [private]

Enumerator:

UPDATE
REFINE

Definition at line 72 of file text_detect.h.

enum DetectText::Result [private]

Enumerator:

COARSE
FINE

Definition at line 77 of file text_detect.h.

Constructor & Destructor Documentation

DetectText::DetectText ( )

Definition at line 25 of file text_detect.cpp.

DetectText::~DetectText ( )

Definition at line 30 of file text_detect.cpp.

Member Function Documentation

void DetectText::chainPairs ( Mat & ccmap ) [private]

Definition at line 707 of file text_detect.cpp.

void DetectText::chainToBox	(	vector< vector< int > > &	chain,
		vector< Rect > &	boundingBox
	)			`[private]`

Definition at line 967 of file text_detect.cpp.

int DetectText::connectComponentAnalysis	(	const Mat &	swtmap,
		Mat &	ccmap
	)			`[private]`

Definition at line 364 of file text_detect.cpp.

int DetectText::countInnerLetterCandidates ( bool * array ) [inline, private]

Definition at line 1665 of file text_detect.cpp.

void DetectText::detect ( ) [private]

Definition at line 55 of file text_detect.cpp.

void DetectText::detect ( Mat & image )

Definition at line 47 of file text_detect.cpp.

void DetectText::detect ( string filename )

Definition at line 34 of file text_detect.cpp.

void DetectText::disposal ( ) [private]

Definition at line 1424 of file text_detect.cpp.

int DetectText::editDistance	(	const string &	s,
		const string &	t
	)			`[static, private]`

Definition at line 1929 of file text_detect.cpp.

float DetectText::editDistanceFont	(	const string &	s,
		const string &	t
	)			`[private]`

Definition at line 1839 of file text_detect.cpp.

void DetectText::filterBoundingBoxes	(	vector< Rect > &	boundingBoxes,
		Mat &	ccmap,
		int	rejectRatio
	)			`[private]`

Definition at line 1005 of file text_detect.cpp.

Mat DetectText::filterPatch ( const Mat & patch ) [private]

Definition at line 1416 of file text_detect.cpp.

void DetectText::findRotationangles ( int blackWhite ) [private]

Definition at line 770 of file text_detect.cpp.

vector< Rect > & DetectText::getBoxesBothSides ( )

Definition at line 163 of file text_detect.cpp.

int DetectText::getCorrelationIndex ( char letter ) [private]

Definition at line 1909 of file text_detect.cpp.

Mat & DetectText::getDetection ( )

Definition at line 154 of file text_detect.cpp.

float DetectText::getMeanIntensity	(	const Mat &	ccmap,
		const Rect &	rect,
		int	element
	)			`[private]`

Definition at line 1678 of file text_detect.cpp.

float DetectText::getMedianStrokeWidth	(	const Mat &	ccmap,
		const Mat &	swtmap,
		const Rect &	rect,
		int	element
	)			`[private]`

Definition at line 1700 of file text_detect.cpp.

void DetectText::getNearestWord	(	const string &	str,
		string &	nearestWord
	)			`[private]`

Definition at line 1487 of file text_detect.cpp.

void DetectText::getTopkWords	(	const string &	str,
		const int	k,
		vector< Word > &	words
	)			`[private]`

Definition at line 1510 of file text_detect.cpp.

vector< string > & DetectText::getWords ( )

Definition at line 158 of file text_detect.cpp.

void DetectText::groupLetters	(	const Mat &	swtmap,
		const Mat &	ccmap
	)			`[private]`

!! without rule 1 and 3, on the second picture more is recognized

Definition at line 586 of file text_detect.cpp.

void DetectText::identifyLetters	(	const Mat &	swtmap,
		const Mat &	ccmap
	)			`[private]`

Definition at line 471 of file text_detect.cpp.

int DetectText::ImageAdjust	(	IplImage *	src,
		IplImage *	dst,
		double	low,
		double	high,
		double	bottom,
		double	top,
		double	gamma
	)			`[private]`

float DetectText::insertToList	(	vector< Word > &	words,
		Word &	word
	)			`[private]`

Definition at line 1531 of file text_detect.cpp.

void DetectText::merge	(	const vector< int > &	token,
		vector< int > &	chain
	)			`[private]`

Definition at line 1825 of file text_detect.cpp.

bool DetectText::mergePairs	(	const vector< vector< int > > &	initialChains,
		vector< vector< int > > &	chains
	)			`[private]`

Definition at line 1758 of file text_detect.cpp.

void DetectText::mergePairs	(	const vector< Pair > &	groups,
		vector< vector< int > > &	chains
	)			`[private]`

Definition at line 1727 of file text_detect.cpp.

float DetectText::ocrRead	(	const Mat &	imagePatch,
		string &	output,
		int	actual
	)			`[private]`

Definition at line 1164 of file text_detect.cpp.

void DetectText::ocrRead ( vector< Rect > & boundingBoxes ) [private]

Definition at line 1129 of file text_detect.cpp.

void DetectText::overlapBoundingBoxes ( vector< Rect > & boundingBoxes ) [private]

Definition at line 1055 of file text_detect.cpp.

void DetectText::overlayText	(	vector< Rect > &	box,
		vector< string > &	text
	)			`[private]`

Definition at line 1093 of file text_detect.cpp.

void DetectText::pipeline ( int blackWhite ) [private]

Definition at line 168 of file text_detect.cpp.

void DetectText::preprocess ( Mat & image ) [private]

Definition at line 111 of file text_detect.cpp.

void DetectText::readLetterCorrelation ( const char * filename )

Definition at line 1441 of file text_detect.cpp.

void DetectText::readWordList ( const char * filename )

Definition at line 1457 of file text_detect.cpp.

void DetectText::showBoundingBoxes	(	vector< Rect > &	boxes,
		vector< bool > &	text
	)			`[private]`

Definition at line 1650 of file text_detect.cpp.

void DetectText::showBoundingBoxes ( vector< Rect > & boxes ) [private]

Definition at line 1639 of file text_detect.cpp.

void DetectText::showCcmap ( Mat & ccmap ) [private]

Definition at line 1565 of file text_detect.cpp.

void DetectText::showEdgeMap ( ) [private]

Definition at line 1559 of file text_detect.cpp.

void DetectText::showLetterDetection ( ) [private]

Definition at line 1588 of file text_detect.cpp.

void DetectText::showLetterGroup ( ) [private]

Definition at line 1616 of file text_detect.cpp.

void DetectText::showSwtmap ( Mat & swtmap ) [private]

Definition at line 1580 of file text_detect.cpp.

bool DetectText::spaticalOrder	(	Rect	a,
		Rect	b
	)			`[static, private]`

Definition at line 1000 of file text_detect.cpp.

float DetectText::spellCheck	(	string &	str,
		string &	output,
		int	method
	)			`[private]`

Definition at line 1237 of file text_detect.cpp.

void DetectText::strokeWidthTransform	(	const Mat &	image,
		Mat &	swtmap,
		int	searchDirection
	)			`[private]`

Definition at line 230 of file text_detect.cpp.

void DetectText::testEdgePoints ( vector< Point > & edgepoints ) [private]

Definition at line 2040 of file text_detect.cpp.

void DetectText::testEditDistance ( )

Definition at line 1976 of file text_detect.cpp.

void DetectText::testGetCorrelationIndex ( )

Definition at line 1966 of file text_detect.cpp.

void DetectText::testInsertToList ( )

Definition at line 1987 of file text_detect.cpp.

void DetectText::testMergePairs ( )

Definition at line 2005 of file text_detect.cpp.

string & DetectText::trim ( string & str ) [private]

Definition at line 1470 of file text_detect.cpp.

void DetectText::updateStrokeWidth	(	Mat &	swtmap,
		vector< Point > &	startPoints,
		vector< Point > &	strokePoints,
		int	searchDirection,
		Purpose	purpose
	)			`[private]`