Ocrad - The GNU OCR
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GNU Ocrad is an OCR (Optical Character Recognition) program based on a
feature extraction method. It reads images in pbm (bitmap), pgm
(greyscale) or ppm (color) formats and produces text in byte (8-bit) or
Also includes a layout analyser able to separate the columns or
blocks of text normally found on printed pages.
Ocrad can be used as a stand-alone console application, or as a
backend to other programs.
The manual is available in the info system of the GNU
Operating System. Use info to access the top level info
page. Use info ocrad to access the ocrad section directly.
An online manual for ocrad can be found
The latest released version of GNU Ocrad can be found at
or in the subdirectory
/gnu/ocrad/ on your favorite
For other ways to obtain ocrad, please read
to get GNU Software. The latest released version will be the most
recent version available at
Old versions and testing versions can be found at
How to Get Help
For general discussion of bugs in ocrad the mailing list
is the most appropriate forum. Please send messages as plain text.
Please do not send messages encoded as HTML nor encoded as base64 MIME
nor included as multiple formats. Please include a descriptive subject
line. If all of the subject are "bug in ocrad" it is impossible to
An archive of the bug report mailing list is available at
How to Help
To contact the author, either to report a bug or to contribute fixes or
improvements, send mail to
Please send messages as plain text. If posting patches they should be in
unified diff format against the latest version. They should include a
You may also help ocrad by
donating money via PayPal or debit/credit card.
See also the
project page at Savannah.
Ocrad is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation, either version 2 of the License, or (at your
option) any later version.
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Copyright © 2014 Free Software Foundation, Inc., 51 Franklin St, Fifth
Floor, Boston, MA 02110-1301 USA
Verbatim copying and distribution of this entire article is
permitted in any medium, provided this notice is preserved.
Updated: $Date: 2014/09/12 15:10:55 $ $Author: antonio $