public MainWindow() { InitializeComponent(); for (var i = 1; i < 15; i++) { ListView1.Items.Add(new ParkingEntry { Name = $"Person #{i}", PlateNumber = $"Plate #{i}", DateEntry = DateTime.Now, DateExit = DateTime.Now.AddHours(i) }); } var path = System.IO.Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location); var folder = System.IO.Path.Combine(path, "tessdata"); _licensePlateDetector = new LicensePlateDetector(folder); Mat m = new Mat(@"C:\Users\cayent\Desktop\ImageTest\222.jpg"); UMat um = m.GetUMat(AccessType.ReadWrite); this.ImagePlate.Image = um; //ProcessImage(m); _ocr = new Tesseract(folder, "eng", OcrEngineMode.TesseractLstmCombined, "ABCDEFGHIJKLMNOPQRSTUVWXYZ 1234567890"); _ocr.SetVariable("tessedit_char_whitelist", "ABCDEFGHIJKLMNOPQRSTUVWXYZ-1234567890"); //create OCR engine //_ocr = new Tesseract(System.AppDomain.CurrentDomain.BaseDirectory + @"\Data\\", "eng", OcrEngineMode.TesseractLstmCombined); //_ocr.Init("", "eng", OcrEngineMode.TesseractLstmCombined); //_ocr.SetVariable("tessedit_char_whitelist", "ABCDEFGHIJKLMNOPQRSTUVWXYZ-1234567890"); _ocr.SetImage(m); _ocr.Recognize(); var text1 = _ocr.GetBoxText(); var text2 = _ocr.GetCharacters(); var text3 = _ocr.GetHOCRText(); //var text4 = _ocr.GetOsdText(1); var text5 = _ocr.GetTSVText(); var text6 = _ocr.GetUNLVText(); var text7 = _ocr.GetUTF8Text(); Plate.Text = text7; }