opencv2/text/ocr.hpp

#include <opencv2/core.hpp>
#include <vector>
#include <string>

Include dependency graph for ocr.hpp:

This graph shows which files directly or indirectly include ocr.hpp:

Classes

class cv::text::BaseOCR

class cv::text::OCRHMMDecoder::ClassifierCallback

Callback with the character classifier is made a class. More…

class cv::text::OCRBeamSearchDecoder::ClassifierCallback

Callback with the character classifier is made a class. More…

class cv::text::OCRBeamSearchDecoder

OCRBeamSearchDecoder class provides an interface for OCR using Beam Search algorithm. More…

class cv::text::OCRHMMDecoder

OCRHMMDecoder class provides an interface for OCR using Hidden Markov Models. More…

class cv::text::OCRHolisticWordRecognizer

OCRHolisticWordRecognizer class provides the functionallity of segmented wordspotting. Given a predefined vocabulary , a DictNet is employed to select the most probable word given an input image. More…

class cv::text::OCRTesseract

OCRTesseract class provides an interface with the tesseract-ocr API (v3.02.02) in C++. More…

Namespaces

namespace cv

namespace cv::text

Enumerations

enum cv::text {
OCR_LEVEL_WORD,
OCR_LEVEL_TEXTLINE
}

enum cv::text::classifier_type {
OCR_KNN_CLASSIFIER = 0,
OCR_CNN_CLASSIFIER = 1
}

enum cv::text::decoder_mode {
OCR_DECODER_VITERBI = 0
}

enum cv::text::ocr_engine_mode {
OEM_TESSERACT_ONLY,
OEM_CUBE_ONLY,
OEM_TESSERACT_CUBE_COMBINED,
OEM_DEFAULT
}

Tesseract.OcrEngineMode Enumeration. More…

enum cv::text::page_seg_mode {
PSM_OSD_ONLY,
PSM_AUTO_OSD,
PSM_AUTO_ONLY,
PSM_AUTO,
PSM_SINGLE_COLUMN,
PSM_SINGLE_BLOCK_VERT_TEXT,
PSM_SINGLE_BLOCK,
PSM_SINGLE_LINE,
PSM_SINGLE_WORD,
PSM_CIRCLE_WORD,
PSM_SINGLE_CHAR
}

Tesseract.PageSegMode Enumeration. More…

Functions

Mat cv::text::createOCRHMMTransitionsTable (const String &vocabulary, std::vector< cv::String > &lexicon)

void cv::text::createOCRHMMTransitionsTable (std::string &vocabulary, std::vector< std::string > &lexicon, OutputArray transition_probabilities_table)

Utility function to create a tailored language model transitions table from a given list of words (lexicon).

Ptr< OCRBeamSearchDecoder::ClassifierCallback > cv::text::loadOCRBeamSearchClassifierCNN (const String &filename)

Allow to implicitly load the default character classifier when creating an OCRBeamSearchDecoder object.

Ptr< OCRHMMDecoder::ClassifierCallback > cv::text::loadOCRHMMClassifier (const String &filename, int classifier)

Allow to implicitly load the default character classifier when creating an OCRHMMDecoder object.

Ptr< OCRHMMDecoder::ClassifierCallback > cv::text::loadOCRHMMClassifierCNN (const String &filename)

Allow to implicitly load the default character classifier when creating an OCRHMMDecoder object.

Ptr< OCRHMMDecoder::ClassifierCallback > cv::text::loadOCRHMMClassifierNM (const String &filename)

Allow to implicitly load the default character classifier when creating an OCRHMMDecoder object.