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    using GroupDocs.Redaction.Integration.Ocr;

    public class AsposeOCRStandaloneConnector : IOcrConnector
    {
        public AsposeOCRStandaloneConnector(string licenseFile)
        {
            var lic = new Aspose.OCR.License();
            lic.SetLicense(licenseFile);
        }

        public RecognizedImage Recognize(Stream imageStream)
        {
            try
            {
                using (MemoryStream memStream = new MemoryStream())
                {
                    imageStream.CopyTo(memStream);
                    var api = new Aspose.OCR.AsposeOcr();
                    var rectangles = api.GetRectangles(memStream, Aspose.OCR.AreasType.LINES, false);
                    var result = api.RecognizeImage(memStream, new Aspose.OCR.RecognitionSettings()
                    {
                        Language = Aspose.OCR.Language.Eng,
                        RecognitionAreas = rectangles
                    });
                    return CreateDtoFromResponse(result);
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("Aspose.OCR for Cloud Recognition failed: {0}", ex.ToString());
            }
            return new RecognizedImage(new List<TextLine>());
        }

        protected virtual RecognizedImage CreateDtoFromResponse(Aspose.OCR.RecognitionResult result)
        {
            List<TextLine> lines = new List<TextLine>();
            for (int i = 0; i < result.RecognitionAreasText.Count; i++)
            {
                var fragments = RegularTextLine.SplitToFragments(result.RecognitionAreasText[i].Trim('\r', '\n'), result.RecognitionAreasRectangles[i]);
                lines.Add(new TextLine(fragments));
            }
            return new RecognizedImage(lines);
        }
    }