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PROGRAM:

NAME


ocr4gamera - OCR system using the Gamera framework

USAGE


ocr4gamera -x <traindata> [options] <imagefile>

OPTIONS


-v <int>, --verbosity=<int>
Set verbosity level to <int>. Possible values are 0 (default): silent operation;
1: information on progress; >2: segmentation info is written to PNG files with
prefix debug_.

-h, --help
Display help and exit.

--version
Print version and exit.

-d, --deskew
Do a skew correction (recommended).

-mf <ws>, --median_filter=<ws>
Smooth the input image with a median filter with window size <ws>. Default is
<ws>=0, which means no smoothing

-ds <s>, --despeckle=<s>
Remove all speckle with size <= <s>. Default is <s> = 0, which means no
despeckling.

-f, --filter
Filter out very large (images) and very small components (noise).

-a, --automatic-group
Autogroup glyphs with classifier.

-x <file>, --xmlfile=<file>
Read training data from <file>.

-o <xml>, --output=<xml>
Write recognized text to file <xml> (otherwise it is written to stdout).

-od <dir>, --output_directory=<dir>
Writes for each input image <img> the recognized text to <dir>/<img>.txt. Note
that this option cannot be used in combination with -o (--outfile).

-c <csv>, --extra_chars_csvfile=<csv>
Read additional class name conversions from file <csv>. <csv> must contain one
conversion per line.

-R <rules>, --heuristic_rules=<rules>
Apply heuristic rules <rules> for disambiguation of some chars. <rules> can be
roman (default) or none (for no rules).

-D, --dictionary-correction
Correct words using a dictionary (requires aspell or ispell).

-L <lang>, --dictionary-language=<lang>
Use <lang> as language for aspell (when option -D is set).

-e <int>, --edit-distance=<int>
Correct words only when edit distance not more than <int>.

-ho, --hocr_out
Writes output as hocr file (only works with the -o option).

-hi <hocrfile>, --hocr_in=<hocrfile>
Uses an hocr input file for textline segmentation.

OCR4GAMERA(1)

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