thank you Sven, I was searching for that, because I suppose (tell me if i'm wrong) that using specialized training for a single point should improve speed and accuracy. 'cause I'm new in both tesseract and google groups maybe I've performed a wrong search, where I can find the archive you are talking about? franco
2012/5/9 Sven Pedersen <[email protected]> > Someone has done training for the OCR-B font -- are you using that > training data? > Search the archives and you'll find the files to download. > --Sven > > On Wed, May 9, 2012 at 3:21 AM, [email protected] <[email protected]> > wrote: > > Hello, > > I 'm trying to build up a program to read payment slip. The slip > > contain a single OCR-B line on the bottom. That line is a record > > containing some coded information. It is divided in four blocks > > ( fields) but only three of them are delimited by special character > > separator and contains a modulo10 control character. > > In my first try I simply pass a Grayscale cropped image to Tesseract > > and set in initilization 0123456789>+ as set of allowed char. > > This gave me 70% of accuracy. > > I know that for numbers I cannot apply a dictionary (that can boost > > accuracy to near 99%) but for payments, 70 % of accuracy is not an > > acceptable result. > > Does anybody know how could I improve accuracy? > > > > thank you very much in advance > > Franco > > > > -- > > 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 > > > > -- > ``All that is gold does not glitter, > not all those who wander are lost; > the old that is strong does not wither, > deep roots are not reached by the frost. > From the ashes a fire shall be woken, > a light from the shadows shall spring; > renewed shall be blade that was broken, > the crownless again shall be king.” > > -- > 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 > -- 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

