See also https://github.com/tesseract-ocr/tesstrain/wiki
It has details about training using the makefile. On Fri, Oct 13, 2023, 3:43 PM Keith Smith <keithsmith...@gmail.com> wrote: > Yes I have. I am asking about how to automate the generation of the > ground truth images and box files, because from what I understand, > tesseract requires on the order of 10K images and box files to train on. > However, unless I am missing something, what I read at > https://github.com/tesseract-ocr/tesstrain assumes the ground truth > (images + box files) already exist. > > On Fri, Oct 13, 2023 at 1:00 AM Shree Devi Kumar <shreesh...@gmail.com> > wrote: > >> Have you looked at >> >> https://github.com/tesseract-ocr/tesstrain >> >> >> >> On Thu, Oct 12, 2023, 11:45 PM Keith Smith <keithsmith...@gmail.com> >> wrote: >> >>> Hello, >>> >>> I am trying to use tesseract to OCR the MICR line of checks (i.e. the >>> micr-e13b font). The training data that I found at >>> https://github.com/BigPino67/Tesseract-MICR-OCR/blob/master/Tessdata/mcr.traineddata >>> does not produce accurate results on my data set. >>> >>> I have a set of over 20K check images along with the MICR text for those >>> images; however, I do not have box files for them. >>> >>> So I started generating box files and manually correcting them via >>> JTessBoxEditor, but I soon learned that it would take a LONG time to do >>> this for enough checks to properly train tesseract. So I am just started >>> generating synthetic images using tesseract's text2image; however, the >>> images generated are perfect (i.e. no blur, skew, etc), so I am doubting >>> that this will result in training tesseract to handle my less-than-perfect >>> check images. >>> >>> Does anyone have suggestions for the best methodology to use? Is there >>> a way to get text2image (or another tool) to generate less-than-perfect >>> images? Or can someone suggest a less labor intensive way of using real >>> check images to train tesseract? >>> >>> Thanks in advance, >>> Keith >>> >>> -- >>> 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 tesseract-ocr+unsubscr...@googlegroups.com. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/tesseract-ocr/b92d2ab9-3da1-4ef8-bafe-5217821c5601n%40googlegroups.com >>> <https://groups.google.com/d/msgid/tesseract-ocr/b92d2ab9-3da1-4ef8-bafe-5217821c5601n%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- >> 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 tesseract-ocr+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/tesseract-ocr/CAG2NduWVBZ-FGXZUTwTX56DQvwtCY9rB%2BuPTjjok62u2BEF%3DzA%40mail.gmail.com >> <https://groups.google.com/d/msgid/tesseract-ocr/CAG2NduWVBZ-FGXZUTwTX56DQvwtCY9rB%2BuPTjjok62u2BEF%3DzA%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- > 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 tesseract-ocr+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/tesseract-ocr/CAL1pF5aGd6P1CCF0y5ufakhbDzSzbBQNF7A4iECnu4dFdsC0rQ%40mail.gmail.com > <https://groups.google.com/d/msgid/tesseract-ocr/CAL1pF5aGd6P1CCF0y5ufakhbDzSzbBQNF7A4iECnu4dFdsC0rQ%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- 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 tesseract-ocr+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/CAG2NduU-qKCUG5wBTN3ke1NFN4_5aG6arF1HabHE12vZngby0A%40mail.gmail.com.
