private void button1_Click(object sender, RoutedEventArgs e)
{
const string language = "eng";
const string TessractData = @"C:\Users\Salman\Documents\GitHub\project-pinnacle\Research\Salman\OCRTest\tessdata\";
const string Path = @"C:\Users\Salman\NUS\EE4001\Research\trial.tif";
TesseractProcessor processor = new TesseractProcessor();
processor.DoMonitor = true;
System.Drawing.Image bmp = System.Drawing.Image.FromFile(Path);
bool x = processor.Init(TessractData, language, (int)eOcrEngineMode.TESSERACT_CUBE_COMBINED);
processor.Clear();
processor.ClearAdaptiveClassifier();
string result = processor.Apply(bmp);
List<Word> detectedWords = processor.RetriveResultDetail();
int a = 2;
//this.UpdateImageViewer(detectedWords);
//using (var bmp = Bitmap.FromFile(Path) as Bitmap)
//{
// var success = processor.Init(TessractData, language, (int)eOcrEngineMode.DEFAULT);
// if (!success)
// {
// Console.WriteLine("Failed to initialize tesseract.");
// }
// else
// {
// string text = processor.Recognize(bmp);
// Console.WriteLine("Text:");
// Console.WriteLine("*****************************");
// Console.WriteLine(text);
// Console.WriteLine("*****************************");
// }
//}
//Console.WriteLine("Press any key to exit.");
//Console.ReadKey();
}
private void DoOCR(IImage image)
{
ClearRenderingData();
string variable = "tessedit_pageseg_mode";
int storedOSD = 0;
_ocrProcessor.GetIntVariable(variable, ref storedOSD);
try
{
// Fully automatic page segmentation
int fully_psm_auto = 3;
_ocrProcessor.SetVariable(variable, fully_psm_auto.ToString());
///// DEMO ONLY
using (Image bitmap = ToImage(image))
{
///// DEMO ONLY
_ocrProcessor.Clear();
_ocrProcessor.ClearAdaptiveClassifier();
BlockList blocks = _ocrProcessor.DetectBlocks(bitmap);
this.UpdateImageViewer(blocks);
///// DEMO ONLY
_ocrProcessor.Clear();
_ocrProcessor.ClearAdaptiveClassifier();
string result = _ocrProcessor.Apply(bitmap);
List <Word> detectedWords = _ocrProcessor.RetriveResultDetail();
this.UpdateImageViewer(detectedWords);
if (!string.IsNullOrEmpty(result))
{
MessageBox.Show(result);
}
}
}
catch
{
}
finally
{
_ocrProcessor.SetVariable(variable, storedOSD.ToString());
}
//_ocrProcessor.Clear();
//_ocrProcessor.ClearAdaptiveClassifier();
//using (Image bitmap = ToImage(image))
//{
// //string result = _ocrProcessor.Apply(_fileName);
// string result = _ocrProcessor.Apply(bitmap);
// List<Word> detectedWords = _ocrProcessor.RetriveResultDetail();
// this.UpdateImageViewer(detectedWords);
// if (!string.IsNullOrEmpty(result))
// MessageBox.Show(result);
//}
}
private void button2_Click(object sender, EventArgs e)
{
Image mg = Image.FromFile(Application.StartupPath + "\\1.jpg");
////Image mg = Image.FromFile("e:\\test24.tif");
imageViewer1.Initialize(new OCRRenderingData(), new OCRAnalysisRender(imageViewer1));
imageViewer1.Image = mg;
TesseractProcessor _ocrProcessor = null;
_ocrProcessor = new TesseractProcessor();
_ocrProcessor.UseROI = false;
imageViewer1.RectA = new Rectangle(0, 0, 0, 0);
//string _tessData = "E:\\tesseract\\tesseract-ocr-dotnet-3.01\\tessdata\\";
string _tessData = Application.StartupPath + "\\tessdata\\";
string _lang = "eng";
int _ocrEngineMode = 3;
bool status = _ocrProcessor.Init(_tessData, _lang, _ocrEngineMode);
Console.WriteLine(string.Format("[DEBUG] Init status: {0}", status));
//string text = _ocrProcessor.Recognize(mg);
//MessageBox.Show(text);
////**************************************************** converts 1bpp to 24bpp
//Bitmap image = new Bitmap(@"e:\\test11.tif");
//Bitmap bitmap = new Bitmap(image.Width, image.Height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
//for (int i = 0; i < image.Width; i++)
//{
// for (int j = 0; j < image.Height; j++)
// {
// Color temp = image.GetPixel(i, j);
// bitmap.SetPixel(i, j, temp);
// }
//}
//bitmap.Save(@"e:\\test24.tif", System.Drawing.Imaging.ImageFormat.Bmp);
//Image mg1 = Image.FromFile("e:\\test24.tif");
////******************************************************************************************************
string variable = "tessedit_pageseg_mode";
// Fully automatic page segmentation
int fully_psm_auto = 3;
_ocrProcessor.SetVariable(variable, fully_psm_auto.ToString());
///// DEMO ONLY
//_ocrProcessor.Clear();
//_ocrProcessor.ClearAdaptiveClassifier();
//BlockList blocks = _ocrProcessor.DetectBlocks(mg);
//this.UpdateImageViewer(blocks);
_ocrProcessor.Clear();
_ocrProcessor.ClearAdaptiveClassifier();
string result = _ocrProcessor.Apply(mg);
List <Word> detectedWords = _ocrProcessor.RetriveResultDetail();
this.UpdateImageViewer(detectedWords);
//MessageBox.Show(result);
button3.Enabled = true;
button4.Enabled = true;
}