Those sections are definitely run. Which version of Tesseract are you using?
Am Montag, 1. September 2014 09:00:29 UTC+2 schrieb 葉家忠: > > 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/20489d50-3464-427d-b599-896f519d5599%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
