https://code.google.com/p/tesseract-ocr/wiki/ImproveQuality
try with image at 300dpi or higher. resize 300% ShreeDevi ____________________________________________________________ भजन - कीर्तन - आरती @ http://bhajans.ramparivar.com On Fri, Oct 17, 2014 at 8:35 PM, Rick Leir <rich...@c7a.ca> wrote: > I have been getting great results from Tesseract when the images are > clear. However, many of my images are crummy. > How would you get the best results for this? Maybe improved training, > maybe image pre-processing? > > The original is like this: > > > > <https://lh5.googleusercontent.com/-Jz-VqLejc-U/VEEau_7k3oI/AAAAAAAAADU/bXOopmkgaSA/s1600/tessOriginal.png> > I have done some GraphicsMagick work to get this: > > > > <https://lh3.googleusercontent.com/-wAD7kwouFUQ/VEEbBvCH4mI/AAAAAAAAADc/wEQagCMHyxk/s1600/tessAfterIM.png> > > > I am using Ubuntu 14.04, and see this in the terminal: > Tesseract Open Source OCR Engine v3.03 with Leptonica > > The Tesseract output text is, as expected, poor: > > uh it .0222? 1mm: (lenuimi 7.1: ft. tin“. Six'ori;v;sioxi ".nn’ > > ;(rt. n of an; 103 an Lam tmtns;hn > > RG 84; > > 37.14121 :13}: oven 1w ,4? 1 {2.2" “"D'ud<~‘1ii,xl,;l w ‘;’ tires LU. > > not, I,» ana'asienbnd in 1.3 arm apartment. .. em; mummy no film rzltnow‘n > tau” 1m. and. ruijoiv‘zim: (mean in thin bleak. :an {"311 .25 33:03:) in > Line :‘djomum Monks 1m :1: r a; w 231:9C101l3nt13‘ 1 are u.» rerun «S :2, > vngfiunxulw CHUHLVlfiafln. ~.1. was tun iHEHHELgN MC > > > -- > 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 tesseract-ocr+unsubscr...@googlegroups.com. > To post to this group, send email to tesseract-ocr@googlegroups.com. > 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/8cf6020e-1dc3-499f-8de9-a09c8865939a%40googlegroups.com > <https://groups.google.com/d/msgid/tesseract-ocr/8cf6020e-1dc3-499f-8de9-a09c8865939a%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- 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 tesseract-ocr+unsubscr...@googlegroups.com. To post to this group, send email to tesseract-ocr@googlegroups.com. 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/CAG2NduUQK3mUzkfsCBFmffAJR4nOe%3DR0hqnJvLs42Q0knQeJzw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
