See https://github.com/tesseract-ocr/tesseract/blob/master/doc/lstmeval.1.asc
When using checkpoint you need to also use the starter traineddata file used for training. Or give final traineddata file as model. So, if after training u have converted the checkpoint to a traineddata, you can use that as model. Similarly for the original traineddata. On Thu, 27 Jun 2019, 21:46 Arno Loo, <arno.laf...@gmail.com> wrote: > Hello, > > I just finished my first training of tesseract 4.0 and I ran a lstmeval on > the generated model, which I named *mod01.* > I use this command line : > lstmeval --model data/checkpoints/mod01_checkpoint --traineddata ./usr/ > share/tessdata/mod01.traineddata --eval_listfile data/list.eval > > It worked fine and it gave me a character error rate and a word error > rate. Now I would like to know if my training improved Tesseract's accuracy > on my specific documents. So I wanted to launch the evaluation on the same > dataset but with the model I started the training from, the english > provided on Tesseract's github repo : eng.traineddata. I tried : > lstmeval --traineddata ./usr/share/tessdata/eng.traineddata --eval_listfile > data/list.eval > But it did not work because I did not provided any --model > > And this showed me that my understanding of Tesseract's was not correct. > Since downloading a new *lang.traineddata* is enough to use Tesseract > with this lang I thought that all the model was contained in the > traineddata files. What is this --model argument then ? > In which my research on the web told me to put the last checkpoint of my > training but without explaining why. > > Is it possible then to run lstmeval on a pretrained model like > eng.traineddata ? > > Thank you ! > > -- > 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/5f762b56-f7b0-4438-a8cb-cbab94304341%40googlegroups.com > <https://groups.google.com/d/msgid/tesseract-ocr/5f762b56-f7b0-4438-a8cb-cbab94304341%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/CAG2NduWQY8D_e1ttv2gZZxT_-PUXY%2BhAD%3DDjnAK69-Bh1wywFA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
