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annotate mupdf-source/thirdparty/tesseract/doc/mftraining.1.asc @ 21:2f43e400f144

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Provide an "all" target to build both the sdist and the wheel
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 10:28:53 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 MFTRAINING(1)
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2 =============
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3 :doctype: manpage
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5 NAME
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6 ----
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7 mftraining - feature training for Tesseract
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9 SYNOPSIS
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10 --------
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11 mftraining -U 'unicharset' -O 'lang.unicharset' 'FILE'...
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13 DESCRIPTION
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14 -----------
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15 mftraining takes a list of .tr files, from which it generates the
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16 files *inttemp* (the shape prototypes), *shapetable*, and *pffmtable*
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17 (the number of expected features for each character). (A fourth file
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18 called Microfeat is also written by this program, but it is not used.)
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20 OPTIONS
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21 -------
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22 -U 'FILE'::
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23 (Input) The unicharset generated by unicharset_extractor(1)
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25 -F 'font_properties_file'::
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26 (Input) font properties file, each line is of the following form, where each field other than the font name is 0 or 1:
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28 *font_name* *italic* *bold* *fixed_pitch* *serif* *fraktur*
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30 -X 'xheights_file'::
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31 (Input) x heights file, each line is of the following form, where xheight is calculated as the pixel x height of a character drawn at 32pt on 300 dpi. [ That is, if base x height + ascenders + descenders = 133, how much is x height? ]
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33 *font_name* *xheight*
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35 -D 'dir'::
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36 Directory to write output files to.
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38 -O 'FILE'::
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39 (Output) The output unicharset that will be given to combine_tessdata(1)
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41 SEE ALSO
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42 --------
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43 tesseract(1), cntraining(1), unicharset_extractor(1), combine_tessdata(1),
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44 shapeclustering(1), unicharset(5)
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46 <https://tesseract-ocr.github.io/tessdoc/Training-Tesseract.html>
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48 COPYING
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49 -------
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50 Copyright \(C) Hewlett-Packard Company, 1988
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51 Licensed under the Apache License, Version 2.0
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53 AUTHOR
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54 ------
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55 The Tesseract OCR engine was written by Ray Smith and his research groups
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56 at Hewlett Packard (1985-1995) and Google (2006-2018).