thank you Sven, OCR-A is very different from OCR-B. but now I can read the posts of Martin Pierre about OCR-B ( but not all the file he is talking about) I try to contact him directly
Thank you very much Sven Franco 2012/5/9 Sven Pedersen <[email protected]> > http://groups.google.com/group/tesseract-ocr?pli=1 > > Someone named Hunter posted about a year ago with a zip file of E13B > MICR font training data, and someone else posted about the OCR-A font. > Martin Pierre posted about OCR-B but I don't see the solution... > --Sven > > > On Wed, May 9, 2012 at 9:31 AM, Franco Giustetto <[email protected]> > wrote: > > 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 > > -- > 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

