You might want to try preprocessing with a threshold filter (otsu threshold) to harden the edges?
Sent from my iPhone > On 6 Apr 2017, at 10:16, Javier Abascal <[email protected]> wrote: > > Hi everyone! :) > > I am having troubles identifying correctly the text in the images attached. > In my opinion, they are quite clear but not sure how to help Tesseract to > identify them. I have tried some other OCR Online services and they seem to > identify them correctly (without any configuration) so I believe I can handle > these images with Tesseract. The reason is that I won't have Internet access > in the machine that will run this task > > For now, I have tried to use several of the "top" Tesseract tune parameters > (like PSM, dictionary, language, increasing DPI, etc.) but I haven't been > successful yet. Could you please help me with this? > > Thank you very much in advance, I really would appreciate any type of > comments :) > -- > 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/861cd975-a1da-4342-891f-325ae5d7f947%40googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > <example_ocr_1.jpg> > <example_ocr_2.jpg> > <example_ocr_3.jpg> -- 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/1654799B-2518-4A43-A692-7485E05EBE4E%40gmail.com. For more options, visit https://groups.google.com/d/optout.
