done in https://github.com/tesseract-ocr/tesseract/commit/bc5dfc4b953babcc865f68a55c3bf415f4280b1a Zdenko
št 31. 5. 2018 o 22:39 shree <shreesh...@gmail.com> napísal(a): > This has been an issue for long. Thanks for finding the problem. > > Please submit a PR on github. > > On Friday, June 1, 2018 at 1:55:25 AM UTC+5:30, Paul Kitchen wrote: >> >> After a lot of stepping through tesseract code, I found the problem. >> >> 1) In file coutln.cpp, function C_OUTLINE::IsLegallyNested(), we >> assign outer_area() to an inT32, parent_area. Then lower in the function, >> we multiple child->outer_area() by parent_area. This caused an integer >> overflow which resulted in a bad sign for the multiplication. The fix was >> to make parent_area an inT64 so that integer overflow cannot happen. >> >> >> The two 32-bit integers being multiplied were -51874 and 60218. The true >> result should be -3123748532 but the maximum result cannot be greater than >> 2^31 or you will have sign/overflow problems, which is the case here. The >> computer result was 1171218764, causing the if-statement to go down the >> wrong path. >> >> dfs >> >> >> >> >> >> >> >> -- > 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/1ef0e822-9518-4cbb-af39-5a8ec6370d00%40googlegroups.com > <https://groups.google.com/d/msgid/tesseract-ocr/1ef0e822-9518-4cbb-af39-5a8ec6370d00%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. 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/CAJbzG8xcNewAfPEXSj1UdmG-8WiD7sEcF9EgETeqWn2xKyVWhQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
