Gimp is your friend: https://stackoverflow.com/questions/9480013/image-processing-to-improve-tesseract-ocr-accuracy
If your programming, use KalikoImage library to replicate manual GIMP steps, that’s easy. I found greyscale didn’t help. YES: Long line removal (may not apply to you) (OpenCV) YES: resize to 300DPI YES: Apply filters Hope helps, Adrian From: tesseract-ocr@googlegroups.com [mailto:tesseract-ocr@googlegroups.com] On Behalf Of MariamHi Sent: 15 October 2018 13:38 To: tesseract-ocr@googlegroups.com Subject: RE: [tesseract-ocr] Multiple Languages I did this but I have Bad recognition for English word .. what is the accuracy for multiple languages and how to improve it ? From: Adrian Owen<mailto:adrian.o...@eesm.com> Sent: Monday, October 15, 2018 3:35 PM To: tesseract-ocr<mailto:tesseract-ocr@googlegroups.com> Subject: Re: [tesseract-ocr] Multiple Languages Just list locales using + delimiter. Sent from my Huawei Mobile -------- Original Message -------- Subject: [tesseract-ocr] Multiple Languages From: Mariam Hijazi To: tesseract-ocr CC: Does tesseract support recognize multiple language in one document ? and how would do that ? Regards. -- 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<mailto:tesseract-ocr+unsubscr...@googlegroups.com>. To post to this group, send email to tesseract-ocr@googlegroups.com<mailto: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/73c903ac-d23c-4396-84b3-c0fbfb9f8923%40googlegroups.com<https://groups.google.com/d/msgid/tesseract-ocr/73c903ac-d23c-4396-84b3-c0fbfb9f8923%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<mailto:tesseract-ocr+unsubscr...@googlegroups.com>. To post to this group, send email to tesseract-ocr@googlegroups.com<mailto: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/e11e2821d81343d28488aa9212cceb47%40eesm.com<https://groups.google.com/d/msgid/tesseract-ocr/e11e2821d81343d28488aa9212cceb47%40eesm.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<mailto:tesseract-ocr+unsubscr...@googlegroups.com>. To post to this group, send email to tesseract-ocr@googlegroups.com<mailto: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/5bc48a34.1c69fb81.7ab73.0898%40mx.google.com<https://groups.google.com/d/msgid/tesseract-ocr/5bc48a34.1c69fb81.7ab73.0898%40mx.google.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/f302c48f782041a5bed69846fda2e032%40eesm.com. For more options, visit https://groups.google.com/d/optout.
