try: tesseract image - get.image which calls GetThresholdedImage() <https://github.com/tesseract-ocr/tesseract/blob/12c1abcb6b4ef90cfafe316a3b40753ee5e9b9ef/src/api/baseapi.cpp#L638>
Zdenko st 30. 1. 2019 o 11:17 Lorenzo Bolzani <[email protected]> napísal(a): > > Zdenko, are you 100% sure that the image is binarized before being fed to > the neural network? It looks like a big waste of information to me. > > > Il giorno mer 30 gen 2019 alle ore 07:56 Zdenko Podobny <[email protected]> > ha scritto: > >> That is not true: you do not need to transform image to grayscale. Any >> image is at the end binarized (if input image is not binarized) by >> tesseract (Otsu). >> >> BUT: preprocessing image (e.g. custom binarization) will help. See >> https://github.com/tesseract-ocr/tesseract/wiki/ImproveQuality >> >> Zdenko >> >> >> st 30. 1. 2019 o 7:36 <[email protected]> napísal(a): >> >>> Not a solution, but the image needs to be transformed into grayscaleetc, >>> (using Open CV) since OCR works best with grayed images and images which >>> have size of 300 dpi >>> >>> On Tuesday, June 12, 2018 at 12:44:21 PM UTC+5:30, Vidur Malhotra wrote: >>>> >>>> I tried running the tesseract on the attached image. But not getting >>>> the desired output. My sample code: >>>> >>>> >>>> import PIL >>>> from PIL import Image >>>> import pytesseract >>>> >>>> text = pytesseract.image_to_string(Image.open('test3.jpg'), lang='eng') >>>> print(text) >>>> >>>> -- >>> 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/43a5a754-4227-43b6-aec1-0261403b2029%40googlegroups.com >>> <https://groups.google.com/d/msgid/tesseract-ocr/43a5a754-4227-43b6-aec1-0261403b2029%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/CAJbzG8zsShhi_LsUXkCWoj8uxWxROkTL7G4RpGwzBEVm1EweTA%40mail.gmail.com >> <https://groups.google.com/d/msgid/tesseract-ocr/CAJbzG8zsShhi_LsUXkCWoj8uxWxROkTL7G4RpGwzBEVm1EweTA%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/CAMgOLLxVGXt527-wkSfGegMtOjMU2LT0rz_H%3Dp8kQZ13CCE1ag%40mail.gmail.com > <https://groups.google.com/d/msgid/tesseract-ocr/CAMgOLLxVGXt527-wkSfGegMtOjMU2LT0rz_H%3Dp8kQZ13CCE1ag%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/CAJbzG8zse4y474Uz7w0pJEuyDesRgD6fuQu_Y0cMDzGH4Ux7JA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
