all scaling images 在 2018年8月17日星期五 UTC+8上午1:24:27，[email protected]写道： > > 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. >>>> >>>
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