public TesseractProcessor()
{
GdImg = new GdPictureImaging();
GdOcr = new GdPictureOCR
{
EnablePreprocessing = false,
OCRMode = OCRMode.FavorAccuracy,
Context = OCRContext.OCRContextSingleWord,
CharacterSet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
ResourceFolder = @"C:\GdPicture.NET 14\Redist\OCR"
};
blobFactory = new SpecialFactory();
}
/// <summary>
/// Apply ocr settings
/// </summary>
/// <param name="ocr"></param>
/// <param name="options"></param>
private void ApplySettings(GdPictureOCR ocr, OCROption options)
{
if (string.IsNullOrWhiteSpace(options.ResourceFolder))
{
options.ResourceFolder = GdPictureHelper.OCRDirectory;
}
ocr.Context = (GdPicture14.OCRContext)(int) options.Context;
ocr.LanguageModelPenaltyNonDictWords = 0.15f;
ocr.LanguageModelPenaltyNonFreqDictWords = 0.1f;
ocr.ResourceFolder = options.ResourceFolder;
ocr.LoadMainDictionary = options.UseMainDictionary;
ocr.LoadFreqWordsDictionary = options.UseFreqWordsDictionary;
ocr.EnableOrientationDetection = options.EnableOrientationDetection;
ocr.EnableSkewDetection = options.EnableSkewDetection;
ocr.ResetSelectedDictionaries();
if (options.Languages != null)
{
foreach (var language in options.Languages)
{
ocr.AddLanguage((GdPicture14.OCRLanguage)(int) language);
}
}
else
{
//using german by default.
ocr.AddLanguage(GdPicture14.OCRLanguage.German);
}
ocr.OCRMode = (GdPicture14.OCRMode)(int) options.Mode;
ocr.CharacterSet = options.CharacterSet;
if (options.Left != 0 && options.Top != 0 && options.Width != 0 && options.Height != 0)
{
ocr.SetROI(options.Left, options.Top, options.Width, options.Height);
}
else
{
ocr.ResetROI();
}
}
