You did not provide any example image - it does not help ;-). Did you try suggested solution on wiki or forum for image improving (it was discussed here few times)?
Zdenko On Sat, May 10, 2014 at 7:03 PM, Mike <[email protected]> wrote: > Hello, > > I'm working on mobile app which uses tesseract library for OCR. I trained > tesseract for my own fonts but results are still very unstable. When I > debug results it seems library recognizes letters correctly if boxes are > found correctly. However, in many cases they are incorrect. > > For preprocessing I'm using adaptive thresholding, which deals with pretty > well. > > The common problems with boxes are: > 1) detecting one character as two or vice versa > 2) detecting very long but narrow boxes covering few lines > 3) not detecting boxes > > How to improve boxes detection? Can I constrain their sizes or ratio? > > Any suggestions are appreciated. > > > Mike > > -- > 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 [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/tesseract-ocr. > To view this discussion on the web visit > https://groups.google.com/d/msgid/tesseract-ocr/2599fce4-947e-4093-bf01-f83e0945cfc8%40googlegroups.com<https://groups.google.com/d/msgid/tesseract-ocr/2599fce4-947e-4093-bf01-f83e0945cfc8%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 [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/tesseract-ocr. To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/CAJbzG8wZu29%2BALecYSCAx-bxPHrcr2Vkm%2Br_Ru6Hixdi_k0j7w%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.

