If you have the font files, best way to do training is to use tesseract-ocr/tesseract/training/tesstrain.sh - it will create the box/tiff pairs and the resulting .lstmf files (for 4.0 alpha training) or .tr files (for 3.0x training).
ShreeDevi ____________________________________________________________ भजन - कीर्तन - आरती @ http://bhajans.ramparivar.com On Thu, Oct 26, 2017 at 1:48 AM, Lada Tylich <[email protected]> wrote: > Hi to All! > > I try to train tesseract to "computer-like" and "digital-like" fonts > (rugsnatcher-demo and levi-adobe-dia in particular). I kept the training > recommendations for image preprocessing, changing box file using > qt-box-editor, spaces between characters. But despite these I got fails > when I put the trainign command (e.g. tesseract > eng.rugsnatcher_demo.exp0.tif eng.rugsnatcher_demo.exp0 box.train). In some > cases I got through but finally at combine_tessdata procedure (Error: > traineddata file must contain at least (a unicharset fileand inttemp) OR an > lstm file.). > > Editing box files seems totally useless to me since changing 1 "failing" > character (that is correct btw) makes even more fails during training. > > I have already tried another font sf_digital_readouts. Considering this, > training was successful only for few characters, but when I put there > paragraph of text I got some Fails as well. > > I am stuck at this few weeks but I am not able to make good results for > this. I am curious what am I missing? Is it possible to teach tesseract > these fonts or should I take another approach? > > Thank you for any response! > > -- > 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 https://groups.google.com/group/tesseract-ocr. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/tesseract-ocr/de9d3d76-115b-42f8-a80a-806588d85059% > 40googlegroups.com > <https://groups.google.com/d/msgid/tesseract-ocr/de9d3d76-115b-42f8-a80a-806588d85059%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 https://groups.google.com/group/tesseract-ocr. To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/CAG2NduWihqBRJUtOx1F7TntUqsT_VH%2BpcqXHAdc-bYQohHx5Hw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
