I clean the image manually - it is the fastest way if you try to test tesseract ;-) Othewise you need to invest some time to play with imagick...
Zdenko On Tue, Nov 5, 2013 at 12:58 PM, [email protected] < [email protected]> wrote: > I'm really impressed, I didn't expect to have 100% recognition without > training tesseract, I take my hat off to you, sir > Did you manually clean image in GIMP/Photoshtop or you used some image > processing library to get such clean result? > > > > On Mon, Nov 4, 2013 at 8:34 AM, zdenko podobny <[email protected]> wrote: > > Tesseract is "noise sensitive" - you need to pre-process image before > OCR. > > See FAQ[1] > > > > [1] > > > https://code.google.com/p/tesseract-ocr/wiki/FAQ#Output_without_result_or_bad_output > > > > > > Zdenko > > > > > > On Mon, Nov 4, 2013 at 1:24 AM, Valent <[email protected]> > wrote: > >> > >> Hi, > >> got back to doing this project, plan is to ocr my gas and power meters > so > >> I can get some insight how much of each we use them over time. > >> I got past first block, and instead or "Empty page" error I get some OCR > >> results, finally! > >> > >> After reading blog posts and forum posts about how tesseract works still > >> can't fully figure it out, so your help is much appreciated. > >> > >> I have this image to work with: http://imgur.com/CiruqHF > >> > >> Tesseract gets this as result "3 2 9 3 3... 3 -" which is far from > >> perfect because meter reads "32830,8" > >> > >> From what I have read so far I guess that my next step to get better > >> results is to take 10-20 pictures and train tesseract, right? > >> > >> WIki on training tesseract is not clear for newbie like me. Now I got > >> Qt-Box-Editor installed on my Linux Mint laptop and got first box text > file > >> done: > >> https://www.dropbox.com/s/8hjgh21wu41d2l9/struja.box > >> > >> I have followed these instructions: > >> https://github.com/this-is-ari/python-tesseract-3.02-training > >> > >> But how do I now train for more samples? > >> > >> What do I do after I take more pictures from my power meter and gas > meter? > >> Should I train tesseract for each meter separately or together? > >> > >> > >> -- > >> -- > >> You received this message because you are subscribed to the Google > >> Groups "tesseract-ocr" group. > >> To post to this group, send email to [email protected] > >> To unsubscribe from this group, send email to > >> [email protected] > >> For more options, visit this group at > >> http://groups.google.com/group/tesseract-ocr?hl=en > >> > >> --- > >> 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]. > >> For more options, visit https://groups.google.com/groups/opt_out. > > > > > > -- > > -- > > You received this message because you are subscribed to the Google > > Groups "tesseract-ocr" group. > > To post to this group, send email to [email protected] > > To unsubscribe from this group, send email to > > [email protected] > > For more options, visit this group at > > http://groups.google.com/group/tesseract-ocr?hl=en > > > > --- > > 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]. > > For more options, visit https://groups.google.com/groups/opt_out. > > > > -- > follow me - www.twitter.com/valentt & http://kernelreloaded.blog385.com > linux, anime, spirituality, wireless, scuba, linuxmce smart home, zwave > ICQ: 2125241, Skype: valent.turkovic, MSN: [email protected] > > -- > -- > You received this message because you are subscribed to the Google > Groups "tesseract-ocr" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/tesseract-ocr?hl=en > > --- > 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]. > For more options, visit https://groups.google.com/groups/opt_out. > -- -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/tesseract-ocr?hl=en --- 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]. For more options, visit https://groups.google.com/groups/opt_out.
