If you have box tiff pairs in tesseract4 format you can generate the lstmf files by running
tesseract lang.file.exp0.tif lang.file.exp0 lstm.train lstm.train is a config file. ShreeDevi ____________________________________________________________ भजन - कीर्तन - आरती @ http://bhajans.ramparivar.com On Wed, Jun 13, 2018 at 6:46 PM chandra churh chatterjee < [email protected]> wrote: > I have trained tesseract 3 with 64 fonts using respective box and .tr > files, But now i want to use the same trained data for training tesseract 4 > after creating the starter trained data using the "Using tesstrain > > The setup for running tesstrain.sh is the same as for base Tesseract. Use > --linedata_only option for LSTM training. Note that it is beneficial to > have more training text and make more pages though, as neural nets don't > generalize as well and need to train on something similar to what they will > be running on. If the target domain is severely limited, then all the dire > warnings about needing a lot of training data may not apply, but the > network specification may need to be changed. > > Training data is created using tesstrain.sh > <https://github.com/tesseract-ocr/tesseract/blob/master/src/training/tesstrain.sh> > as > follows: Note that your fonts location may vary. > > training/tesstrain.sh --fonts_dir /usr/share/fonts --lang eng --linedata_only > \ > --noextract_font_properties --langdata_dir ../langdata \ > --tessdata_dir ./tessdata --output_dir ~/tesstutorial/engtrain > > The above command makes LSTM training data equivalent to the data used to > train base Tesseract for English. For making a general-purpose LSTM-based > OCR engine, it is woefully inadequate, but makes a good tutorial demo. > > Now try this to make eval data for the 'Impact' font: > > training/tesstrain.sh --fonts_dir /usr/share/fonts --lang eng --linedata_only > \ > --noextract_font_properties --langdata_dir ../langdata \ > --tessdata_dir ./tessdata \ > > --fontlist "Impact Condensed" --output_dir ~/tesstutorial/engeval" > > > > Now i want to proceed further using my previous trained data to do the > training but the problem is that the previous trained data had .tr files > and box files but tesseract 4 requires .lstmf files . > Requesting for any solution. > > -- > 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/f3d6c64e-7763-478e-b047-a64edd032d99%40googlegroups.com > <https://groups.google.com/d/msgid/tesseract-ocr/f3d6c64e-7763-478e-b047-a64edd032d99%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/CAG2NduWD0-BJ6sq4mypJhnc5FKudVcmSeBg%2BB5w5EARV4NPL4g%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
