Really thank you for kindly help~ I try what you said above but get nothing changed, When I traced the code in debug mode, I found the codes mentioned above are never run once, I wonder if there is any parameter I should set it true?
please teach me more, Thanks again~ 2014년 8월 30일 토요일 오후 6시 16분 9초 UTC+8, Paul 님의 말: > > I suffered from similar issues and fixed the problem by adding a line to > textord/colfind.cpp: > > Between > > #endif // GRAPHICS_DISABLED > > and > > SetBlockRuleEdges(input_block); > > I added: > > input_block->noise_blobs.clear(); // remove noise blobs > > This will remove noise blobs during the segmentation of blocks and prevent > noise blobs from being added to the text block around them. I think it is a > dirty hack, but it will probably give you better results. Maybe we have to > tackle this problem in a more in-depth solution in the future. > > Changing the constant > > const double kMinMediumSizeRatio = 0.25; > > to > > const double kMinMediumSizeRatio = 0.15; > > in blobbox.cpp also helped to improve the results. You can try to adjust > that constant to your needs. > > Paul > > > Am Donnerstag, 28. August 2014 10:04:33 UTC+2 schrieb 葉家忠: >> >> I use Tesseract to recognize the simplified chinese character >> >> Since some noise of the source image can't be removed, so I decide to >> fix the source code to remove the incorrect result. >> >> Since the each of the chinese charactor size is fix-sized, so the nose >> can be found easily because its size will be much smaller than a normal >> character. >> >> I've tried to set the parameter "textord_heavy_nr" to true to remove the >> noise, but it won't work because in some case it will remove some >> importart parts of a chinese character which is quite necessary to form a >> complete chinese character >> >> Can any one tell me how to fix the code that remove the result lastly >> decided by Tesseract which size is smaller than specific blob size? >> >> I really thank you for helping~ >> >> >> >> ps: the attached file show 3 characters but it will be recognized as 4 >> characters because of the noise. >> > -- 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 http://groups.google.com/group/tesseract-ocr. To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/32d2d5d2-41b9-4610-b44b-e486e69f3c50%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
