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