cv::text Namespace Reference

Classes
class	BaseOCR
class	ERFilter
	Base class for 1st and 2nd stages of Neumann and Matas scene text detection algorithm [Neumann12]. : More...
struct	ERStat
	The ERStat structure represents a class-specific Extremal Region (ER). More...
class	OCRHMMDecoder
	OCRHMMDecoder class provides an interface for OCR using Hidden Markov Models. More...
class	OCRTesseract
	OCRTesseract class provides an interface with the tesseract-ocr API (v3.02.02) in C++. More...

Enumerations
enum	{   ERFILTER_NM_RGBLGrad,   ERFILTER_NM_IHSGrad }
	computeNMChannels operation modes More...
enum	{   OCR_LEVEL_WORD,   OCR_LEVEL_TEXTLINE }
enum	decoder_mode { OCR_DECODER_VITERBI = 0 }
enum	erGrouping_Modes {   ERGROUPING_ORIENTATION_HORIZ,   ERGROUPING_ORIENTATION_ANY }
	text::erGrouping operation modes More...

Functions
void	computeNMChannels (InputArray _src, OutputArrayOfArrays _channels, int _mode=ERFILTER_NM_RGBLGrad)
	Compute the different channels to be processed independently in the N&M algorithm [Neumann12]. More...
Ptr< ERFilter >	createERFilterNM1 (const Ptr< ERFilter::Callback > &cb, int thresholdDelta=1, float minArea=0.00025, float maxArea=0.13, float minProbability=0.4, bool nonMaxSuppression=true, float minProbabilityDiff=0.1)
	Create an Extremal Region Filter for the 1st stage classifier of N&M algorithm [Neumann12]. More...
Ptr< ERFilter >	createERFilterNM2 (const Ptr< ERFilter::Callback > &cb, float minProbability=0.3)
	Create an Extremal Region Filter for the 2nd stage classifier of N&M algorithm [Neumann12]. More...
void	erGrouping (InputArray img, InputArrayOfArrays channels, std::vector< std::vector< ERStat > > &regions, std::vector< std::vector< Vec2i > > &groups, std::vector< Rect > &groups_rects, int method=ERGROUPING_ORIENTATION_HORIZ, const std::string &filename=std::string(), float minProbablity=0.5)
	Find groups of Extremal Regions that are organized as text blocks. More...
Ptr< ERFilter::Callback >	loadClassifierNM1 (const std::string &filename)
	Allow to implicitly load the default classifier when creating an ERFilter object. More...
Ptr< ERFilter::Callback >	loadClassifierNM2 (const std::string &filename)
	Allow to implicitly load the default classifier when creating an ERFilter object. More...
Ptr < OCRHMMDecoder::ClassifierCallback >	loadOCRHMMClassifierNM (const std::string &filename)
	Allow to implicitly load the default character classifier when creating an OCRHMMDecoder object. More...
void	MSERsToERStats (InputArray image, std::vector< std::vector< Point > > &contours, std::vector< std::vector< ERStat > > &regions)
	Converts MSER contours (vector<Point>) to ERStat regions. More...