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. For more options, visit https://groups.google.com/d/optout.
