many thanks for your information. I have tried a lot of scaling, from factor y1.0, x0.8 to y1.0, x0.5 , none of them work. I will try do some fine tune train with this font. thanks again for let me known this font name :)
在 2018年8月15日星期三 UTC+8下午9:49:01,James Q写道: > > It looks like you may need to fine tune train Tesseract on this particular > font. From the letters in you images it looks like 'Bevan', which you can > download from here: > > https://www.fontsquirrel.com/fonts/bevan > > If you are unable to train Tesseract, I have sometimes had success by > stretching (changing the aspect ratio) of the image. In this case it is > quite a fat font so stretching it taller might improve the result. > > Hope this helps > James > > On Tuesday, August 14, 2018 at 1:41:06 PM UTC+1, [email protected] wrote: >> >> It's interesting. I'v tried many way to process the img, binary inverse, >> cut, resize. >> I'v tried with oem of 3.0.0 and 4.0.0, psm of 3\6\7 >> I thought maybe some one works, but actually no one did, and nothing went >> out >> Maybe this special fonts just hit some weakness of tesseract >> >> >> 在 2018年8月14日星期二 UTC+8下午6:59:01,[email protected]写道: >>> >>> I use opencv to extract chars from image and combine them together, but >>> tasseract failure to recognize it. >>> I have tested with paramters "-c >>> tessedit_char_whitelist=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz,.-\\'" >>> >>> "-psm 7" and "-psm 8", still no lucky. >>> please see attachment, ears.png >>> >>> but some others were successful, like godmother.png. >>> >>> who could teach me, please. >>> >> -- 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/a0598a09-33b9-4aee-a2df-38e56c42570d%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.

