>I've trained a LSTM model for a custom language from scratch as explained here <https://github.com/tesseract-ocr/tesseract/wiki/TrainingTesseract-4.00>.
>The language only has about 100 words and 17 characters, so it's pretty simple. For such a small model, try to build the legacy version rather than LSTM. $tesstrain_dir/tesstrain.sh \ --lang $Lang \ --exposures "0" \ --fonts_dir $fonts_dir \ --fontlist $fonts_for_training \ --langdata_dir $langdata_dir \ --tessdata_dir $tessdata_dir \ --training_text $langdata_dir/$Lang/$Lang.training_text \ --output_dir $train_output_dir ShreeDevi ____________________________________________________________ भजन - कीर्तन - आरती @ http://bhajans.ramparivar.com On Thu, May 31, 2018 at 3:43 PM, Julien Jemine <julien.jem...@gmail.com> wrote: > Hi, > > I've trained a LSTM model for a custom language from scratch as explained > here > <https://github.com/tesseract-ocr/tesseract/wiki/TrainingTesseract-4.00>. > > The language only has about 100 words and 17 characters, so it's pretty > simple. > > When I run lstmeval on my model, I get a perfect match: > [icm@u16-offcao-07] train1$ lstmeval --model > /home/icm/share/tessdata/iqi.traineddata > --eval_listfile iqitrain2/iqi.training_files.txt --verbosity 2 > Loaded 2/2 pages (1-2) of document /home/icm/train1/iqitrain2/ > iqi.Arial.exp0.lstmf > Loaded 2/2 pages (1-2) of document /home/icm/train1/iqitrain2/ > iqi.Calibri.exp0.lstmf > Warning: LSTMTrainer deserialized an LSTMRecognizer! > Truth:ASTM 10FEEN 10 FE EN 13CUEN 13 CU EN 02B 11 16 > OCR :ASTM 10FEEN 10 FE EN 13CUEN 13 CU EN 02B 11 16 > Truth:6CUEN 6 CU EN > OCR :6CUEN 6 CU EN > Loaded 2/2 pages (1-2) of document /home/icm/train1/iqitrain2/ > iqi.Lucida_Sans_Typewriter_Semi-Condensed.exp0.lstmf > Truth:ASTM 10FEEN 10 FE EN 13CUEN 13 CU EN 02B 11 16 > OCR :ASTM 10FEEN 10 FE EN 13CUEN 13 CU EN 02B 11 16 > Truth:6CUEN 6 CU EN > OCR :6CUEN 6 CU EN > Loaded 2/2 pages (1-2) of document /home/icm/train1/iqitrain2/ > iqi.Verdana.exp0.lstmf > Truth:ASTM 10FEEN 10 FE EN 13CUEN 13 CU EN 02B 11 16 > OCR :ASTM 10FEEN 10 FE EN 13CUEN 13 CU EN 02B 11 16 > Truth:6CUEN 6 CU EN > OCR :6CUEN 6 CU EN > Truth:6CUEN 6 CU EN > OCR :6CUEN 6 CU EN > Truth:ASTM 10FEEN 10 FE EN 13CUEN 13 CU EN 02B 11 16 > OCR :ASTM 10FEEN 10 FE EN 13CUEN 13 CU EN 02B 11 16 > At iteration 0, stage 0, Eval Char error rate=0, Word error rate=0 > > However, when I put my iqi.traineddata file in my tessdata folder and try > to run tesseract on the same tif file, I get errors: > [icm@u16-offcao-07] train1$ tesseract iqitrain2/iqi.training_img.txt > stdout -l iqi > Page 0 : /home/icm/train1/iqitrain2/iqi.Arial.exp0.tif > 6CFEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEN > 6CUEN 1 CU EN > Page 1 : /home/icm/train1/iqitrain2/iqi.Calibri.exp0.tif > > 6CM 10FEEN 0 6 FEE 13CUEN 11 6 FE EEN 1116 > 6UEN 16 FE > Page 2 : /home/icm/train1/iqitrain2/iqi.Lucida_Sans_Typewriter_ > Semi-Condensed.exp0.tif > > 6TM 13CUEN 13 1 EN 11CUE 11 CU EN 12B 11 16 > 6 6 CU EN > Page 3 : /home/icm/train1/iqitrain2/iqi.Verdana.exp0.tif > > ASTM 103UEEN 13 1CU EN 13CUEN 13 6 FE EEN 11 16 > 6CUEN 6 CU EN > > > Now the really frustrating part: I have the opposite phenomenon with the > "eng" language! (with eng.traineddata taken from tessdata_best) > lstmeval gives me a few errors (Eval Char error rate=2.4665552, Word error > rate=16.666667) > tesseract gives me the right answer! (But the images are generated with > tesstrain.sh and very common fonts, it's probably to be expected). > > Am I doing something wrong? > What's going on here? > > -- > 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 post to this group, send email to tesseract-ocr@googlegroups.com. > 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/67286720-c624-4239-a812-3c76d7603cf1% > 40googlegroups.com > <https://groups.google.com/d/msgid/tesseract-ocr/67286720-c624-4239-a812-3c76d7603cf1%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 tesseract-ocr+unsubscr...@googlegroups.com. To post to this group, send email to tesseract-ocr@googlegroups.com. 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/CAG2NduWCsauX6u4MT4Uzutb0fXAiyg75iwy7x_vf9beAfrhZqw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
