Hi, Is tessDataPath is the same in release and debug mode? I did change a compilation option in tessnet2.dll, please try with the new one. http://www.pixel-technology.com/freeware/tessnet2/bin.zip
Remi On Apr 28, 9:09 am, ZioZione <[email protected]> wrote: > Hi everybody, > I am writing a C# Web Application that must perform OCR over various > TIFF files. I am using the latest tessnet2 release (april 21, 2009). > Here is the codebehind of my page: > > tessnet2.Tesseract ocr = null; > string tessImgPath = ""; > string tessDataPath = ""; > > protected void Page_Load(object sender, EventArgs e) > { > InitialiseData(); > > tessImgPath = Server.MapPath("../Images/P0028594.tif"); > Bitmap image = new Bitmap(tessImgPath); > > List<tessnet2.Word> m_words; > m_words = ocr.DoOCR(image, Rectangle.Empty); > > if (m_words != null) > { > int lc = tessnet2.Tesseract.LineCount(m_words); > for (int i = 0; i < lc; i++) > { > Response.Write(tessnet2.Tesseract.GetLineText > (m_words, i) + "<br>"); > } > } > } > > void InitialiseData() > { > ocr = new tessnet2.Tesseract(); > tessDataPath = Server.MapPath("../tessdata"); > ocr.SetRootPath(tessDataPath, "ita"); > ocr.Init("ita", false); > } > > I have the following problem: if the application is running in Debug > mode, it works correctly, while running in Release mode (or also Start > Without Debugging), the row > > ocr.Init("ita", false); > > causes following error: > > Attempted to read or write protected memory. This is often an > indication that other memory is corrupt. > > Here is the Stack Trace: > > [AccessViolationException: Attempted to read or write protected > memory. This is often an indication that other memory is corrupt.] > fgets(SByte* , Int32 , _iobuf* ) +0 > read_word_list(SByte* filename, UInt64* dawg, Int32 max_num_edges, > Int32 reserved_edges) +562 > init_permute() +543 > program_editup(SByte* configfile) +335 > tessnet2.Tesseract.Init(String lang, Boolean numericMode) +66 > SDG_MODI.Web.Home2.Home.InitialiseData() in C:\Produzione > \PROGETTI_NET\SDG_MODI\SDG_MODI\Web\Home2\frm_HOM2.aspx.cs:110 > SDG_MODI.Web.Home2.Home.Page_Load(Object sender, EventArgs e) in C: > \Produzione\PROGETTI_NET\SDG_MODI\SDG_MODI\Web\Home2\frm_HOM2.aspx.cs: > 28 > System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, > Object o, Object t, EventArgs e) +15 > System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object > sender, EventArgs e) +33 > System.Web.UI.Control.OnLoad(EventArgs e) +99 > System.Web.UI.Control.LoadRecursive() +47 > System.Web.UI.Page.ProcessRequestMain(Boolean > includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) > +1436 > > What I have to do for avoid this error? > Another question: I need also to show the TIFF image into the Web > page. Actually it seems not possible, so I think I need some code to > perform a conversion between TIFF and, i.e., JPG. Can someone point me > out to some useful code? Thank you! > Best Regards > ZioZione --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/tesseract-ocr?hl=en -~----------~----~----~----~------~----~------~--~---
