public Recognizer(OcrLanguage language, string sourceDirectory = null)
        {
            _engine = OcrEngine.CreateEngine(language);

            TempDirectoryPath = sourceDirectory + @"\Test\";
            if (!Directory.Exists(TempDirectoryPath))
            {
                Directory.CreateDirectory(TempDirectoryPath);
            }
            var direLeft = TempDirectoryPath + @"left\";

            if (!Directory.Exists(direLeft))
            {
                Directory.CreateDirectory(direLeft);
            }
            var direRight = TempDirectoryPath + @"right\";

            if (!Directory.Exists(direRight))
            {
                Directory.CreateDirectory(direRight);
            }
        }