using (var api = OcrApi.Create())
            {
                api.Init(Languages.English);

                using (var renderer = OcrPdfRenderer.Create(outputBase, TessDataDirectory))
                {
                    renderer.BeginDocument(string.Empty);
                    api.ProcessPages(tifFilePath, null, 0, renderer);
                    renderer.EndDocument();

                    var hOcrResult = new StringBuilder();

                    for (int i = 0; i < DirectoryUtils.PdfPagecount; i++)
                    {
                        hOcrResult.Append(api.GetHOCRText(i));
                    }

                    File.WriteAllText(string.Format("{0}.html", outputBase), hOcrResult.ToString());
                }
            }