I will test tomorrow and let you know On Tue, 18 Jun 2019, 23:47 Jingjing Lin, <[email protected]> wrote:
> It still couldn't work after I increased the number of ± to about 100. And > the error rate after 2000 iterations is about 11. This is a pretty high > error rate compare to what we have for adding a few characters to eng. With > such high error rate, I would not be surprised that it could't recognize > some special characters like ±. Is this it for chi_sim? Or can I increase > iterations to make the error rate smaller? > Thanks for your help. > > 在 2019年6月18日星期二 UTC-4上午10:32:37，shree写道： >> >> increase the number of ± to about 100 >> >> On Tue, Jun 18, 2019 at 7:39 PM Jingjing Lin <[email protected]> wrote: >> >>> Sorry to bother you again and again. >>> I reduced the training text to about 450 lines, with like 30 ± in it. I >>> used two fonts and iteration of 1000. But it looks like ± is still not >>> picked up by the BEST OCR TEXT at all, it always recognizes ± as something >>> else. What is happening here? Should I increase the number of ±? Or do I >>> need to increase the number of fonts? I'm trying increasing iterations. >>> >>> 在 2019年6月18日星期二 UTC-4上午12:28:25，shree写道： >>>> >>>> If you increase the iterations then the plus type of training will not >>>> give good result, i.e. the other letters will lose accuracy. >>>> >>>> You can try to reduce the training text size while still keeping all >>>> the characters that you need as part of the training text, >>>> >>>> On Tue, Jun 18, 2019 at 2:24 AM Jingjing Lin <[email protected]> >>>> wrote: >>>> >>>>> I was only using two different fonts and It only achieved lowest error >>>>> rate of 11.271 after the training, does this mean I really need to >>>>> increase >>>>> the iterations? >>>>> >>>>> 在 2019年6月17日星期一 UTC-4下午2:16:31，shree写道： >>>>>> >>>>>> How big was your training text? How many iterations? Did the fonts >>>>>> you use for training support the plus minus sign? >>>>>> >>>>>> You can run training with -- debug-level of -1 so that you can see >>>>>> whether the plus minus is being picked for training in the console >>>>>> messages. >>>>>> >>>>>> On Mon, 17 Jun 2019, 23:29 Jingjing Lin, <[email protected]> wrote: >>>>>> >>>>>>> Thanks. It works. The new character I added was there. >>>>>>> >>>>>>> Do you have any idea why after fine tuning tesseract still couldn't >>>>>>> recognize the new character I added? When I tried to add '±' to eng it >>>>>>> works, but when I tried to add '±' to chi_sim, it couldn't work >>>>>>> (explained >>>>>>> below). Is there anything we need to pay attention to when fine tuning >>>>>>> other langs rather than eng? >>>>>>> >>>>>>> I used >>>>>>> >>>>>>> lstmeval --model ~/tesstutorial/trainplusminus/plusminus_checkpoint \ >>>>>>> --traineddata >>>>>>> ~/tesstutorial/trainplusminus/chi_sim/chi_sim.traineddata \ >>>>>>> --eval_listfile >>>>>>> ~/tesstutorial/evalplusminus/chi_sim.training_files.txt 2>&1 | >>>>>>> grep ± >>>>>>> >>>>>>> to check and ± only shows up in Truth but not in OCR >>>>>>> >>>>>>> >>>>>>> 在 2019年6月17日星期一 UTC-4上午11:31:24，shree写道： >>>>>>>> >>>>>>>> combine_tessdata -u new.traineddata new. >>>>>>>> >>>>>>>> will unpack the traineddata file. check new.lstm-unicharset in it >>>>>>>> >>>>>>>> On Monday, June 17, 2019 at 8:20:24 PM UTC+5:30, Jingjing Lin wrote: >>>>>>>>> >>>>>>>>> I tried to fine tune the model and add a new character via >>>>>>>>> training, but it seems it still couldn't recognize this new character >>>>>>>>> using >>>>>>>>> the new traineddata generated. To debug I want to check whether this >>>>>>>>> new >>>>>>>>> character is in the .unicharset in the new traineddata generated. Is >>>>>>>>> there >>>>>>>>> a way to do this? >>>>>>>>> >>>>>>>> -- >>>>>>> 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/d251e677-5f9d-4f8f-b41a-aa015538ca47%40googlegroups.com >>>>>>> <https://groups.google.com/d/msgid/tesseract-ocr/d251e677-5f9d-4f8f-b41a-aa015538ca47%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/692ad4d1-ff8e-4a67-a582-645a3fa5b941%40googlegroups.com >>>>> <https://groups.google.com/d/msgid/tesseract-ocr/692ad4d1-ff8e-4a67-a582-645a3fa5b941%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>> . >>>>> For more options, visit https://groups.google.com/d/optout. >>>>> >>>> >>>> >>>> -- >>>> >>>> ____________________________________________________________ >>>> 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/6d299e90-fc12-4a52-989f-5b787db5f1f7%40googlegroups.com >>> <https://groups.google.com/d/msgid/tesseract-ocr/6d299e90-fc12-4a52-989f-5b787db5f1f7%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> >> -- >> >> ____________________________________________________________ >> 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/d5d4c267-c6e4-41e6-b0ab-01391a1b666d%40googlegroups.com > <https://groups.google.com/d/msgid/tesseract-ocr/d5d4c267-c6e4-41e6-b0ab-01391a1b666d%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/CAG2NduUVk2CcbSPceRHm-xpY-pKrb7Y1WU1r49gQD6ses0r5Bw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
