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-.TH OCRAD 1 "30 December 2003" "0.6" "GNU Ocrad"
-.SH NAME
-ocrad \- Optical Character Recognition
-.SH SYNOPSIS
-.I ocrad
-\-afhivV \-b NUMBER \-l MODE \-o FILE \-x FILE [FILES ...]
-.Sh DESCRIPTION
-.LP
-.I ocrad
-is an OCR (Optical Character Recognition) program
-implemented as a filter and based on a feature extraction method. It
-reads a bitmap image in pbm format and outputs text in ISO\-8859\-1
-(Latin\-1) charset. Also includes a layout analyser able to separate
-the columns or blocks of text normally found on printed pages. It can
-be used as a stand\-alone console application, or as a backend to other
-programs.
-.SH OPTIONS
-.TP
-.I "\-a", "\-\-append"
-Append generated text to the output file instead of overwriting it.
-.TP
-.I "\-b NUMBER", "\-\-block=NUMBER"
-Process only the specified text block, beginning from 1.
-Is only useful when used in conjunction with layout analysis (see below).
-.TP
-.I "\-D LEVEL", "\-\-debug=LEVEL"
-The Levels are:
-.nf
-100 - Show raw block list, unordered
- 99 - Show recursive block list, unordered
- 98 - Show main block list, unordered
- 97 - Show recursive block list, ordered
- 96 - Show main block list, ordered
- 95..90 - reserved
- 89 - Show all blocks from every character
- 88 - Show main black blocks from every character
- 87 - Show guess list for every character
- 86 - Show best guess for every character
-.fi
-.TP
-.I "\-f", "\-\-force"
-Force overwrite of output file.
-.TP
-.I "\-h", "\-\-help"
-Print an informative help message describing the options and then exit.
-.TP
-.I "\-i", "\-\-invert"
-Invert image levels (white on black).
-.TP
-.I "\-l MODE", "\-\-layout=MODE"
-Enable page layout analysis. The meaning of
-.I MODE
-is:
-.nf
-`0' no analysis at all,
-`1' column separation,
-`2' full analysis.
-.fi
-.TP
-.I "\-o FILE"
-Place the output into
-.I FILE
-instead of into the standard output.
-.TP
-.I "\-v", "\-\-verbose"
-Verbose mode.
-.TP
-.I "\-V", "\-\-version"
-Print the version number of Ocrad on the standard output and then exit.
-.TP
-.I "\-x FILE"
-Write (export) OCR Results File to
-.I FILE
-\.
-.SH BUGS
-If you find a bug in GNU Ocrad, please send electronic mail to
-<bug-ocrad@gnu.org>. Include the version number, which you can find by
-running `ocrad \-\-version'.
-.SH CAVEATS
-.IP \(bu 2
-Scan directly in b/w mode. Convert from grayscale only if you know what
-you are doing.
-.IP \(bu 2
-For better results the characters should be at least 20 pixels high.
-.IP \(bu 2
-Merged characters are always a problem. Try to avoid them.
-.IP \(bu 2
-Very bold or very light (broken) characters are also a problem.
-.IP \(bu 2
-Always see with your own eyes the pbm file before blaming Ocrad for the
-results. Remember the saying, "garbage in, garbage out".
-.SH TODO
-.IP \(bu 2
-Deal with broken characters.
-.IP \(bu 2
-Make a better layout detector. Every character on its line.
-.IP \(bu 2
-Separate (more) merged characters.
-.IP \(bu 2
-Deal better with frames, lines, pictures, etc.
-.IP \(bu 2
-Change to ISO_8859\-15 (update for ISO_8859\-1 with euro sign).
-.IP \(bu 2
-Add an option for recognizing ISO_8859\-9 chars (Turkish).
-.SH GETTING
-.I ocrad
-is available from http://www.gnu.org/software/ocrad/ocrad.html
-.SH AUTHOR
-.nf
-Antonio Diaz <ant_diaz@teleline.es>
-.fi
-.SH HISTORY
-.I ocrad
-0.6 was released in December 2003.