Does running tesseract training exhaustive on the .box and .tif files, helps in the recognition accuracy increase?
On Wednesday, March 2, 2016 at 4:23:44 AM UTC-3, Roger wrote: > > I am training tesseract to recognize CMC7 font, following this > <http://michaeljaylissner.com/posts/2012/02/11/adding-new-fonts-to-tesseract-3-ocr-engine/> > and this > <https://github.com/tesseract-ocr/tesseract/wiki/TrainingTesseract> > tutorial. > > > I have made a .tif file with 2621 characters, and created the .box file, > going into every character to make sure the X and Y positions are correct > (the rectangle around the character). > > > After that, I have run the command to train tesseract: > > > tesseract por.cmc7.exp0.tif por.cmc7.box nobatch box.train .stderr > > > I've made a shell script that calls this command in a loop, so the > training wil be repeated a bunch of times. However, after a bunch of: > > APLY_BOXES: Unlabelled word at :Bounding box=(762,2763)->(783,2776) > > APPLY_BOXES: Unlabelled word at :Bounding box=(774,2269)->(783,2277) > > APPLY_BOXES: Unlabelled word at :Bounding box=(787,2269)->(789,2277) ... > > > > The result is always: > > Found 420 good blobs. > > 2129 remaining unlabelled words deleted. > > Generated training data for 420 words > > It is running for several hours, and still it generated training data for > only 420 words. And after I run tesseract on a check image to test it will > recognize the characters, it doesn't work (doesn't recognize the characters > and return random letters and symbols). > > > How can I make it recognize all the characters in the .tif image? > > > Thank you. > > I have attached the .box and .tif in the zip file. > -- 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/263d85dd-9835-4e8d-be70-153deea948c8%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.

