Search found 4 matches

by gerasalus
2012-03-21T12:39:40-07:00
Forum: Users
Topic: Converting jpg to tiff for OCR with tesseract
Replies: 7
Views: 29996

Re: Converting jpg to tiff for OCR with tesseract

cool! Thanks. The textcleaner was 100% superb without any finetuning. Best results so far. I've tried your autolevel script, but that did not help much.
Now i just need to find hosting where that script runs quicker than 20 seconds :)

Thanks for help!
by gerasalus
2012-03-20T16:08:09-07:00
Forum: Users
Topic: Converting jpg to tiff for OCR with tesseract
Replies: 7
Views: 29996

Re: Converting jpg to tiff for OCR with tesseract

Why do you have -alpha set enabled? It only turns on a perfectly opaque alpha channel, which I would think would not be good for your tesseract. I wanted to make it 100% like the one on my mac Did you try my command? Try upgrading your IM as you are about 100 versions old. I've tried your command ...
by gerasalus
2012-03-20T13:06:21-07:00
Forum: Users
Topic: Converting jpg to tiff for OCR with tesseract
Replies: 7
Views: 29996

Re: Converting jpg to tiff for OCR with tesseract

Thanks for reply,

Version: ImageMagick 6.6.2-6 2011-03-16 Q16 http://www.imagemagick.org
Its on Ubuntu 11.04

Unfortunately if i omit the -auto-gamma tesseract produces only garbage :(
by gerasalus
2012-03-20T10:27:34-07:00
Forum: Users
Topic: Converting jpg to tiff for OCR with tesseract
Replies: 7
Views: 29996

Converting jpg to tiff for OCR with tesseract

Hi all, what i'm basically trying to achieve is convert jpg file to tiff so that it could be parsed with tesseract. The problem - when i convert it by using convert command line utility, tesseract output contains a lot of garbage. But if i process the same image on Mac with Preview (simply auto ...