+ quan Quan will be better able to advice regarding .net
also see https://sourceforge.net/projects/vietocr/files/ vietocr.net/5.0alpha/ ShreeDevi ____________________________________________________________ भजन - कीर्तन - आरती @ http://bhajans.ramparivar.com On Fri, Jun 9, 2017 at 10:44 AM, Hari.K <harik...@gmail.com> wrote: > Thank you Shree for replying back on the issue. Yes I know about > ghostscript and its commands, but with the present architecture of project > we are restricted to acomodate the ghostscript commands. Besides, I am also > aware of "gsdll32.dll", but as it is not a .Net managed library, and we > can't reference it directly in a project and moreover we will have to go by > the PInvoke procedure, hence for all those above reasons and limitations we > are supposed to stay away from ghostscript. > > Do you think we have any better alternative libraries which I can make use > of so that I would not be getting that error which I mentioned in this post > ? > > Thanks in Advance, > Hari > > On Thursday, 8 June 2017 21:16:15 UTC+5:30, shree wrote: >> >> Have you tried using ghostscript to convert pdf to tif files instead? >> Example commands >> >> gs -r600x600 -sDEVICE=tiffg4 -dFirstPage=106 -dLastPage=109 -o >> ./tulasi/tulasikrishna%00d.tif "TulasiPuja.pdf" >> >> for one tif per page >> >> gs -r600x600 -sDEVICE=tiffg4 -dFirstPage=126 -dLastPage=131 -o >> ./tulasi/tulasIviShNupUjA.tif "TulasiPuja.pdf" >> >> for multipage tif >> >> you can reduce resolution to -r300x300 >> >> ShreeDevi >> ____________________________________________________________ >> भजन - कीर्तन - आरती @ http://bhajans.ramparivar.com >> >> On Thu, Jun 8, 2017 at 7:25 PM, Hari.K <hari...@gmail.com> wrote: >> >>> Hi There, >>> >>> I sometimes receive an error - "Failed to create pix, this normally >>> occurs because the requested image size is too large, please check Standard >>> Error Output" when doing OCR on a bitmap image. >>> >>> >>> Below highlighted line is where it's breaking for me - >>> >>> Bitmap bitmap; >>> Spire.Pdf.PdfDocument document = new Spire.Pdf.PdfDocument(pdfPath); >>> >>> >>> for (int i = 0; i <= document.Pages.Count; i++) >>> { >>> bitmap = (Bitmap)document.SaveAsImage(i, >>> PdfImageType.Bitmap, 200, 200); // where 200 is the DPI which I am >>> setting for a bitmap image >>> ................... >>> ................. >>> >>> } >>> >>> More details on what I am trying to do here: >>> 1) Uploaded a PDF document which is of hardly 600KB >>> 2) Iterate through each PDF page and convert it into a BitMap image >>> 3) Then input this BitMap image to Tesseract for performing OCR >>> >>> Please note, I don't get this error often. Any ideas on why this error >>> as I do not receive this every time ? >>> >>> Looking forward for some inputs on this.. >>> >>> Thanks in Advance, >>> Hari >>> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "tesseract-ocr" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to tesseract-oc...@googlegroups.com. >>> To post to this group, send email to tesser...@googlegroups.com. >>> Visit this group at https://groups.google.com/group/tesseract-ocr. >>> To view this discussion on the web visit https://groups.google.com/d/ms >>> gid/tesseract-ocr/dcfe7918-707b-4b56-9720-b3e39ae1a658%40goo >>> glegroups.com >>> <https://groups.google.com/d/msgid/tesseract-ocr/dcfe7918-707b-4b56-9720-b3e39ae1a658%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- > You received this message because you are subscribed to the Google Groups > "tesseract-ocr" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to tesseract-ocr+unsubscr...@googlegroups.com. > To post to this group, send email to tesseract-ocr@googlegroups.com. > Visit this group at https://groups.google.com/group/tesseract-ocr. > To view this discussion on the web visit https://groups.google.com/d/ms > gid/tesseract-ocr/79f1f939-9fd3-4869-8dbd-15945a91591a%40googlegroups.com > <https://groups.google.com/d/msgid/tesseract-ocr/79f1f939-9fd3-4869-8dbd-15945a91591a%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. To unsubscribe from this group and stop receiving emails from it, send an email to tesseract-ocr+unsubscr...@googlegroups.com. To post to this group, send email to tesseract-ocr@googlegroups.com. Visit this group at https://groups.google.com/group/tesseract-ocr. To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/CAG2NduUO%3DAqwWv1zM8RvwLgYZZfmMEHBpe%3DKMv_DZ0yZU8KcYQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
