I haven't trained with real images. I would guess that training images should be similar to what you will be using for OCR. It might be best to test with a small set of images and see what works best for you.
On Wed, Apr 3, 2019 at 2:38 PM Du Kotomi <[email protected]> wrote: > If we use text2image tool, there is no such problem. > > What about training with our real data. I have enough images for training. > Should I need to do some preprocess like binary or resized dpi and then do > lstm training? > > On Wed, Apr 3, 2019 at 16:36 Shree Devi Kumar <[email protected]> > wrote: > >> Usually for LSTM training we are using synthetic images created by >> text2image program using training text and fonts using tesstrain.sh or >> tesstrain.py. Hence there is no question of binarization or dpi as the >> program creates images as expected by tesseract training process. >> >> On Wed, Apr 3, 2019 at 12:31 PM Du Kotomi <[email protected]> wrote: >> >>> Anybody here? >>> >>> On Wed, Apr 3, 2019 at 09:57 <[email protected]> wrote: >>> >>>> Sorry for disturb again. I have sent my issue befire, but no one gives >>>> the answer. I really need your help. >>>> >>>> >>>> I go through the source code and find tesseract do Otsu Thresholding >>>> and put the binary pix in the Thresholder object. >>>> But It seems the Thresholder object haven't been invoked if I use >>>> lstm engines. >>>> As well as dpi size,tesseract wiki said it is better for 300 dpi. This >>>> is a requirement for tesseract 3.0 engine or even before, right? >>>> If I training lstm tesseract, it doesn't matter whether I do binary or >>>> resize the dpi of images, right? >>>> >>>> >>>> I will be every appreciated if any response is sent. Thank you so much! >>>> >>>> -- >>>> 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/f1004b09-daa5-4d6b-909b-ad8eac267d34%40googlegroups.com >>>> <https://groups.google.com/d/msgid/tesseract-ocr/f1004b09-daa5-4d6b-909b-ad8eac267d34%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/CAJ7gR93svAsWZDUjQ9kVEp_bvh53F6Yv5jQ8q5Ts4zObiCRy2Q%40mail.gmail.com >>> <https://groups.google.com/d/msgid/tesseract-ocr/CAJ7gR93svAsWZDUjQ9kVEp_bvh53F6Yv5jQ8q5Ts4zObiCRy2Q%40mail.gmail.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/CAG2NduV2mq8zKivmYtq8aMO7D%2BUeRiyxY%3D%3DL5qaOCi7iF9XC-A%40mail.gmail.com >> <https://groups.google.com/d/msgid/tesseract-ocr/CAG2NduV2mq8zKivmYtq8aMO7D%2BUeRiyxY%3D%3DL5qaOCi7iF9XC-A%40mail.gmail.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/CAJ7gR91s8vppNUwXPvkZzY%2BrmdJLee3pNMoKnLyAu3feoXzJsg%40mail.gmail.com > <https://groups.google.com/d/msgid/tesseract-ocr/CAJ7gR91s8vppNUwXPvkZzY%2BrmdJLee3pNMoKnLyAu3feoXzJsg%40mail.gmail.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/CAG2NduXf3h-6FYmnLGVznTEdrFGPULgUpq66a_zkJhG8A9cJ4w%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
