~/tesseract/src/training/tesstrain.sh \ --fonts_dir ~/.fonts \ --training_text ~/langdata/chi_sim/chi_sim_tuned.txt \ --langdata_dir ~/langdata \ --tessdata_dir ~/tessdata \ --lang chi_sim --linedata_only \ --noextract_font_properties \ --exposures "0" \ --workspace_dir ~/tmp \ --save_box_tiff \ --fontlist \ "NSimSun" \ "Arial Unicode MS" \ "SimSun" \ "Merchant Copy" \ "Merchant Copy Doublesize" \ "Noto Sans CJK SC" \ "Noto Sans Mono CJK SC" \ --output_dir ~/tesstutorial/chi_sim_trainnew
mkdir -p ~/tesstutorial/chi_sim_tuned_from_chi_sim combine_tessdata -e ~/tessdata_best/chi_sim.traineddata ~/tesstutorial/chi_sim_tuned_from_chi_sim/chi_sim.lstm ~/tesseract/bin/src/training/lstmtraining \ --model_output ~/tesstutorial/chi_sim_tuned_from_chi_sim/chi_sim_tuned \ --continue_from ~/tesstutorial/chi_sim_tuned_from_chi_sim/chi_sim.lstm \ --traineddata ~/tesstutorial/chi_sim_train/chi_sim/chi_sim.traineddata \ --old_traineddata ~/tessdata_best/chi_sim.traineddata \ --train_listfile ~/tesstutorial/chi_sim_train/chi_sim.training_files.txt \ --debug_interval -1 \ --max_iterations 3600 ~/tesseract/bin/src/training/lstmtraining \ --stop_training \ --continue_from ~/tesstutorial/chi_sim_tuned_from_chi_sim/chi_sim_tuned_checkpoint \ --traineddata ~/tesstutorial/chi_sim_train/chi_sim/chi_sim.traineddata \ --model_output ~/tessdata_best/chi_sim_tuned.traineddata On Wed, Mar 20, 2019 at 8:46 AM Shree Devi Kumar <[email protected]> wrote: > Also, 10000 iterations for finetuning will lead to overfitting. > > I tried by using fewer fonts and adding a couple of English only fonts > that match the typeface of the image you shared. The output is improved > compared to tessdata_best. I assume that you want to limit your unicharset > based on your training_text (numbers, some English letters and some > Simplified Chinese characters). The image was pre-processed to B&W and > deskewed. > > I found that --psm 6 gives worse results both for tessdata_best and > finetuned, but the default psm gives better accuracy though there are > multiple blank lines for extra columns identified in --psm 3. > > See attached: > > > -- ____________________________________________________________ भजन - कीर्तन - आरती @ http://bhajans.ramparivar.com -- 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/CAG2NduUeONc98a%3DMiGE1Y1PGKK-Jb5vinDTPnEF%2BMvPUkT0nmw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
