Starting class for text recognition
 public static void textIndentification(string dir, string fn)
 {
     TextDetectionWorker trw = new TextDetectionWorker();
     trw.Apply(dir,dir, fn, 2.5, false);
 }
 public void textIndentification(string input_dir, string output_dir, string fn)
 {
     try
     {
         TextDetectionWorker trw = new TextDetectionWorker();
         trw.Apply(input_dir, output_dir, fn, 2.5, false);
     }
     catch (Exception e)
     {
         Log.WriteLine("textIndentification: " + e.Message);
     }
 }