mirror of
https://github.com/tesseract-ocr/tesseract.git
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0f9d507740
The last contribution from Google was in 2018
(see commit ce88adbf32).
Signed-off-by: Stefan Weil <sw@weilnetz.de>
48 lines
1.3 KiB
Plaintext
48 lines
1.3 KiB
Plaintext
UNICHARSET_EXTRACTOR(1)
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=======================
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NAME
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----
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unicharset_extractor - Reads box or plain text files to extract the unicharset.
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SYNOPSIS
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--------
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*unicharset_extractor* [--output_unicharset filename] [--norm_mode mode] box_or_text_file [...]
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Where mode means:
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1=combine graphemes (use for Latin and other simple scripts)
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2=split graphemes (use for Indic/Khmer/Myanmar)
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3=pure unicode (use for Arabic/Hebrew/Thai/Tibetan)
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DESCRIPTION
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-----------
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Tesseract needs to know the set of possible characters it can output.
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To generate the unicharset data file, use the unicharset_extractor
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program on training pages bounding box files or a plain text file:
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unicharset_extractor fontfile_1.box fontfile_2.box ...
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The unicharset will be put into the file './unicharset' if no output filename is provided.
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*NOTE* Use the appropriate norm_mode based on the language.
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SEE ALSO
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--------
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tesseract(1), unicharset(5)
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<https://tesseract-ocr.github.io/tessdoc/Training-Tesseract.html>
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HISTORY
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-------
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unicharset_extractor first appeared in Tesseract 2.00.
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COPYING
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-------
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Copyright \(C) 2006, Google Inc.
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Licensed under the Apache License, Version 2.0
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AUTHOR
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------
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The Tesseract OCR engine was written by Ray Smith and his research groups
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at Hewlett Packard (1985-1995) and Google (2006-2018).
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