Reading Characters

Sorry, this code snippet is currently not available in ActiveX / Visual Basic.

Reading using TrueType fonts

////////////////////////////////////////////////////////
// This code snippet shows how to                     //
// - create a character database from TrueType fonts  //
// - read the text in an image                        //
////////////////////////////////////////////////////////

// Load an image
EImageBW8 image;
image.Load("image.tif");

// Attach an ROI
EROIBW8 roi;
roi.Attach(&src, 50, 224, 340, 96);

// Create an EOCR2 instance
EOCR2 ocr2;

// Set the required parameters
ocr2.SetCharsWidthRange(EIntegerRange(25,25));
ocr2.SetCharsHeight(37);
ocr2.SetTopology("[LN]{10}\nN{3} N{4}");
ocr2.SetTextPolarity(EasyOCR2TextPolarity_WhiteOnBlack);

// Add TrueType character to the character database
ocr2.AddCharactersToDatabase("C:\\Windows\\Fonts\\calibrib.ttf");
ocr2.AddCharactersToDatabase("C:\\Windows\\Fonts\\yugothb.ttc");

// Read text from the image
std::string result = ocr2.Read(roi);

////////////////////////////////////////////////////////
// This code snippet shows how to                     //
// - create a character database from TrueType fonts  //
// - read the text in an image                        //
////////////////////////////////////////////////////////

// Load an image
EImageBW8 image = new EImageBW8();
image.Load("image.tif");

// Attach an ROI
EROIBW8 roi = new EROIBW8();
roi.Attach(src, 50, 224, 340, 96);

// Create an EOCR2 instance
EOCR2 ocr2 = new EOCR2();

// Set the required parameters
ocr2.CharsWidthRange = new EIntegerRange(25,25);
ocr2.CharsHeight = 37;
ocr2.Topology = "[LN]{10}\nN{3} N{4}";
ocr2.TextPolarity = EasyOCR2TextPolarity.WhiteOnBlack;

// Add TrueType character to the character database
ocr2.AddCharactersToDatabase("C:\\Windows\\Fonts\\calibrib.ttf");
ocr2.AddCharactersToDatabase("C:\\Windows\\Fonts\\yugothb.ttc");

// Read text from the image
string result = ocr2.Read(roi);

// Cleanup
ocr2.CharsWidthRange.Dispose();
ocr2.Dispose();
roi.Dispose();
image.Dispose();

The image used in this code snippet

Reading using EOCR2 Character Database

////////////////////////////////////////////////////////
// This code snippet shows how to                     //
// - load a pre-made character database               //
// - read the text in an image                        //
////////////////////////////////////////////////////////

// Load an image
EImageBW8 image;
image.Load("image.tif");

// Attach an ROI
EROIBW8 roi;
roi.Attach(&src, 50, 224, 340, 96);

// Create an EOCR2 instance
EOCR2 ocr2;

// Set the required parameters
ocr2.SetCharsWidthRange(EIntegerRange(25,25));
ocr2.SetCharsHeight(37);
ocr2.SetTopology("[LN]{10}\nN{3} N{4}");
ocr2.SetTextPolarity(EasyOCR2TextPolarity_WhiteOnBlack);

// Add a pre-made character database to the EOCR2 instance
ocr2.AddCharactersToDatabase("myDB.o2d");

// Read text from the image
std::string result = ocr2.Read(roi);

////////////////////////////////////////////////////////
// This code snippet shows how to                     //
// - load a pre-made character database               //
// - read the text in an image                        //
////////////////////////////////////////////////////////

// Load an image
EImageBW8 image = new EImageBW8();
image.Load("image.tif");

// Attach an ROI
EROIBW8 roi = new EROIBW8();
roi.Attach(src, 50, 224, 340, 96);

// Create an EOCR2 instance
EOCR2 ocr2 = new EOCR2();

// Set the required parameters
ocr2.CharsWidthRange = new EIntegerRange(25,25);
ocr2.CharsHeight = 37;
ocr2.Topology = "[LN]{10}\nN{3} N{4}";
ocr2.TextPolarity = EasyOCR2TextPolarity.WhiteOnBlack;

// Add a pre-made character database to the EOCR2 instance
ocr2.AddCharactersToDatabase("myDB.o2d");

// Read text from the image
string result = ocr2.Read(roi);

// Cleanup
ocr2.CharsWidthRange.Dispose();
ocr2.Dispose();
roi.Dispose();
image.Dispose();

Reading using EOCR2 Model file

////////////////////////////////////////////////////////
// This code snippet shows how to                     //
// - load a pre-made model file                       //
// - read the text in an image                        //
////////////////////////////////////////////////////////

// Load an image
EImageBW8 image;
image.Load("image.tif");

// Attach an ROI
EROIBW8 roi;
roi.Attach(&src, 50, 224, 340, 96);

// Create an EOCR2 instance
EOCR2 ocr2;

// Load a pre-made model file, this will:
// - (re)set all parameters
// - add the character database in the model file to the EOCR2 instance
ocr2.Load("myModel.o2m");

// Read text from the image
std::string result = ocr2.Read(roi);

////////////////////////////////////////////////////////
// This code snippet shows how to                     //
// - load a pre-made model file                       //
// - read the text in an image                        //
////////////////////////////////////////////////////////

// Load an image
EImageBW8 image = new EImageBW8();
image.Load("image.tif");

// Attach an ROI
EROIBW8 roi = new EROIBW8();
roi.Attach(src, 50, 224, 340, 96);

// Create an EOCR2 instance
EOCR2 ocr2 = new EOCR2();

// Load a pre-made model file, this will:
// - (re)set all parameters
// - add the character database in the model file to the EOCR2 instance
ocr2.Load("myModel.o2m");

// Read text from the image
string result = ocr2.Read(roi);

// Cleanup
ocr2.Dispose();
roi.Dispose();
image.Dispose();