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<body class="manpage">
<div id="header">
<h1>
COMBINE_LANG_MODEL(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>combine_lang_model -
generate starter traineddata
</p>
</div>
</div>
<div id="content">
<div class="sect1">
<h2 id="_synopsis">SYNOPSIS</h2>
<div class="sectionbody">
<div class="paragraph"><p><strong>combine_lang_model</strong> --input_unicharset <em>filename</em> --script_dir <em>dirname</em> --output_dir <em>rootdir</em> --lang <em>lang</em> [--lang_is_rtl] [pass_through_recoder] [--words file --puncs file --numbers file]</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="paragraph"><p>combine_lang_model(1) generates a starter traineddata file that can be used to train an LSTM-based neural network model. It takes as input a unicharset and an optional set of wordlists. It eliminates the need to run set_unicharset_properties(1), wordlist2dawg(1), some non-existent binary to generate the recoder (unicode compressor), and finally combine_tessdata(1).</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_options">OPTIONS</h2>
<div class="sectionbody">
<div class="dlist"><dl>
<dt class="hdlist1">
<em>--lang lang</em>
</dt>
<dd>
<p>
The language to use.
Tesseract uses 3-character ISO 639-2 language codes. (See LANGUAGES)
</p>
</dd>
<dt class="hdlist1">
<em>--script_dir PATH</em>
</dt>
<dd>
<p>
Directory name for input script unicharsets. It should point to the location of langdata (github repo) directory. (type:string default:)
</p>
</dd>
<dt class="hdlist1">
<em>--input_unicharset FILE</em>
</dt>
<dd>
<p>
Unicharset to complete and use in encoding. It can be a hand-created file with incomplete fields. Its basic and script properties will be set before it is used. (type:string default:)
</p>
</dd>
<dt class="hdlist1">
<em>--lang_is_rtl BOOL</em>
</dt>
<dd>
<p>
True if language being processed is written right-to-left (eg Arabic/Hebrew). (type:bool default:false)
</p>
</dd>
<dt class="hdlist1">
<em>--pass_through_recoder BOOL</em>
</dt>
<dd>
<p>
If true, the recoder is a simple pass-through of the unicharset. Otherwise, potentially a compression of it by encoding Hangul in Jamos, decomposing multi-unicode symbols into sequences of unicodes, and encoding Han using the data in the radical_table_data, which must be the content of the file: langdata/radical-stroke.txt. (type:bool default:false)
</p>
</dd>
<dt class="hdlist1">
<em>--version_str STRING</em>
</dt>
<dd>
<p>
An arbitrary version label to add to traineddata file (type:string default:)
</p>
</dd>
<dt class="hdlist1">
<em>--words FILE</em>
</dt>
<dd>
<p>
(Optional) File listing words to use for the system dictionary (type:string default:)
</p>
</dd>
<dt class="hdlist1">
<em>--numbers FILE</em>
</dt>
<dd>
<p>
(Optional) File listing number patterns (type:string default:)
</p>
</dd>
<dt class="hdlist1">
<em>--puncs FILE</em>
</dt>
<dd>
<p>
(Optional) File listing punctuation patterns. The words/puncs/numbers lists may be all empty. If any are non-empty then puncs must be non-empty. (type:string default:)
</p>
</dd>
<dt class="hdlist1">
<em>--output_dir PATH</em>
</dt>
<dd>
<p>
Root directory for output files. Output files will be written to &lt;output_dir&gt;/&lt;lang&gt;/&lt;lang&gt;.* (type:string default:)
</p>
</dd>
</dl></div>
</div>
</div>
<div class="sect1">
<h2 id="_history">HISTORY</h2>
<div class="sectionbody">
<div class="paragraph"><p>combine_lang_model(1) was first made available for tesseract4.00.00alpha.</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_resources">RESOURCES</h2>
<div class="sectionbody">
<div class="paragraph"><p>Main web site: <a href="https://github.com/tesseract-ocr">https://github.com/tesseract-ocr</a><br>
Information on training tesseract LSTM: <a href="https://tesseract-ocr.github.io/tessdoc/TrainingTesseract-4.00.html">https://tesseract-ocr.github.io/tessdoc/TrainingTesseract-4.00.html</a></p></div>
</div>
</div>
<div class="sect1">
<h2 id="_see_also">SEE ALSO</h2>
<div class="sectionbody">
<div class="paragraph"><p>tesseract(1)</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_copying">COPYING</h2>
<div class="sectionbody">
<div class="paragraph"><p>Copyright (C) 2012 Google, Inc.
Licensed under the Apache License, Version 2.0</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_author">AUTHOR</h2>
<div class="sectionbody">
<div class="paragraph"><p>The Tesseract OCR engine was written by Ray Smith and his research groups
at Hewlett Packard (1985-1995) and Google (2006-2018).</p></div>
</div>
</div>
</div>
<div id="footnotes"><hr></div>
<div id="footer">
<div id="footer-text">
Last updated
2024-05-03 17:30:23 CEST
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