Before I forget There is an rpm for Fedora (17 & 18) that lets you set up a system to do OCR http://www.joaquimrocha.com/category/ocrfeeder/ just ad the rpm to your yum.repos.d list and install the apps witht he normal tools http://download.opensuse.org/repositories/home:/jsuarezr:/OCRFeeder/Fedora_18/noarch/ post a review if you get some results