private void AutoOCR()
{
FileInfo imageFile = new FileInfo(queue.Dequeue());
IList <Image> imageList = ImageIOHelper.GetImageList(imageFile);
if (imageList == null)
{
return;
}
try
{
this.statusForm.TextBox.BeginInvoke(new UpdateStatusEvent(this.WorkerUpdate), new Object[] { imageFile.FullName });
OCR ocrEngine = new OCR();
string result = ocrEngine.RecognizeText(imageList, -1, curLangCode);
// postprocess to correct common OCR errors
result = Processor.PostProcess(result, curLangCode);
using (StreamWriter sw = new StreamWriter(Path.Combine(outputFolder, imageFile.Name + ".txt"), false, new System.Text.UTF8Encoding()))
{
sw.Write(result);
}
}
catch (Exception e)
{
// Sets the UI culture to the selected language.
Thread.CurrentThread.CurrentUICulture = new CultureInfo(selectedUILanguage);
this.statusForm.TextBox.BeginInvoke(new UpdateStatusEvent(this.WorkerUpdate), new Object[] { " ** " + Properties.Resources.Cannotprocess + imageFile.Name + " **" });
Console.WriteLine(e.StackTrace);
}
}
private void backgroundWorkerOcr_DoWork(object sender, DoWorkEventArgs e)
{
// Get the BackgroundWorker that raised this event.
BackgroundWorker worker = sender as BackgroundWorker;
OCRImageEntity entity = (OCRImageEntity)e.Argument;
OCR ocrEngine = new OCR();
// Assign the result of the computation to the Result property of the DoWorkEventArgs
// object. This is will be available to the RunWorkerCompleted eventhandler.
//e.Result = ocrEngine.RecognizeText(entity.ClonedImages, entity.Lang, entity.Rect, worker, e);
IList <Image> images = entity.ClonedImages;
for (int i = 0; i < images.Count; i++)
{
if (worker.CancellationPending)
{
e.Cancel = true;
break;
}
string result = ocrEngine.RecognizeText(((List <Image>)images).GetRange(i, 1), entity.Language, entity.Rect, worker, e);
worker.ReportProgress(i, result); // i is not really percentage
}
}
private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
// Get the BackgroundWorker that raised this event.
BackgroundWorker worker = sender as BackgroundWorker;
OCRImageEntity entity = (OCRImageEntity)e.Argument;
OCR ocrEngine = new OCR();
// Assign the result of the computation to the Result property of the DoWorkEventArgs
// object. This is will be available to the RunWorkerCompleted eventhandler.
e.Result = ocrEngine.RecognizeText(entity.Images, entity.Index, entity.Lang, entity.Rect, worker, e);
}
void PerformOCR(string[] args)
{
try
{
if (args[0] == "-?" || args[0] == "-help" || args.Length == 1 || args.Length == 3)
{
Console.WriteLine("Usage: vietocr imagefile outputfile [-l langcode]");
return;
}
FileInfo imageFile = new FileInfo(args[0]);
FileInfo outputFile = new FileInfo(args[1]);
if (!imageFile.Exists)
{
Console.WriteLine("Input file does not exist.");
return;
}
string curLangCode;
if (args.Length == 2)
{
curLangCode = "eng"; //default language
}
else
{
curLangCode = args[3];
}
IList<Image> imageList = ImageIOHelper.GetImageList(imageFile);
OCR ocrEngine = new OCR();
string result = ocrEngine.RecognizeText(imageList, curLangCode);
// postprocess to correct common OCR errors
result = Processor.PostProcess(result, curLangCode);
using (StreamWriter sw = new StreamWriter(outputFile.FullName + ".txt", false, new System.Text.UTF8Encoding()))
{
sw.Write(result);
}
}
catch (Exception e)
{
Console.WriteLine("Error: " + e.Message);
}
}
void PerformOCR(string[] args)
{
try
{
if (args[0] == "-?" || args[0] == "-help" || args.Length == 1 || args.Length == 3)
{
Console.WriteLine("Usage: vietocr imagefile outputfile [-l langcode]");
return;
}
FileInfo imageFile = new FileInfo(args[0]);
FileInfo outputFile = new FileInfo(args[1]);
if (!imageFile.Exists)
{
Console.WriteLine("Input file does not exist.");
return;
}
string curLangCode;
if (args.Length == 2)
{
curLangCode = "eng"; //default language
}
else
{
curLangCode = args[3];
}
IList <Image> imageList = ImageIOHelper.GetImageList(imageFile);
OCR ocrEngine = new OCR();
string result = ocrEngine.RecognizeText(imageList, curLangCode);
// postprocess to correct common OCR errors
result = Processor.PostProcess(result, curLangCode);
using (StreamWriter sw = new StreamWriter(outputFile.FullName + ".txt", false, new System.Text.UTF8Encoding()))
{
sw.Write(result);
}
}
catch (Exception e)
{
Console.WriteLine("Error: " + e.Message);
}
}
private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
// Get the BackgroundWorker that raised this event.
BackgroundWorker worker = sender as BackgroundWorker;
OCRImageEntity entity = (OCRImageEntity)e.Argument;
OCR ocrEngine = new OCR();
// Assign the result of the computation to the Result property of the DoWorkEventArgs
// object. This is will be available to the RunWorkerCompleted eventhandler.
e.Result = ocrEngine.RecognizeText(entity.Images, entity.Index, entity.Lang, entity.Rect, worker, e);
}
private void backgroundWorkerOcr_DoWork(object sender, DoWorkEventArgs e)
{
// Get the BackgroundWorker that raised this event.
BackgroundWorker worker = sender as BackgroundWorker;
OCRImageEntity entity = (OCRImageEntity)e.Argument;
OCR ocrEngine = new OCR();
// Assign the result of the computation to the Result property of the DoWorkEventArgs
// object. This is will be available to the RunWorkerCompleted eventhandler.
//e.Result = ocrEngine.RecognizeText(entity.ClonedImages, entity.Lang, entity.Rect, worker, e);
for (int i = 0; i < entity.ClonedImages.Count; i++)
{
if (worker.CancellationPending)
{
e.Cancel = true;
break;
}
string result = ocrEngine.RecognizeText(((List<Image>)entity.ClonedImages).GetRange(i, 1), entity.Lang, entity.Rect, worker, e);
worker.ReportProgress(i, result); // i is not really percentage
}
}
private void AutoOCR()
{
FileInfo imageFile;
try
{
imageFile = new FileInfo(queue.Dequeue());
}
catch
{
return;
}
this.statusForm.TextBox.BeginInvoke(new UpdateStatusEvent(this.WorkerUpdate), new Object[] { imageFile.FullName });
if (curLangCode == null)
{
this.statusForm.TextBox.BeginInvoke(new UpdateStatusEvent(this.WorkerUpdate), new Object[] { " ** " + Properties.Resources.selectLanguage + " **" });
//queue.Clear();
return;
}
IList<Image> imageList = ImageIOHelper.GetImageList(imageFile);
if (imageList == null)
{
this.statusForm.TextBox.BeginInvoke(new UpdateStatusEvent(this.WorkerUpdate), new Object[] { " ** " + Properties.Resources.Cannotprocess + imageFile.Name + " **" });
return;
}
try
{
OCR ocrEngine = new OCR();
string result = ocrEngine.RecognizeText(imageList, curLangCode);
// postprocess to correct common OCR errors
result = Processor.PostProcess(result, curLangCode);
using (StreamWriter sw = new StreamWriter(Path.Combine(outputFolder, imageFile.Name + ".txt"), false, new System.Text.UTF8Encoding()))
{
sw.Write(result);
}
}
catch (Exception e)
{
// Sets the UI culture to the selected language.
Thread.CurrentThread.CurrentUICulture = new CultureInfo(selectedUILanguage);
this.statusForm.TextBox.BeginInvoke(new UpdateStatusEvent(this.WorkerUpdate), new Object[] { " ** " + Properties.Resources.Cannotprocess + imageFile.Name + " **"});
Console.WriteLine(e.StackTrace);
}
}
