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- COMBINE_LANG_MODEL(1)
- =====================
- :doctype: manpage
- NAME
- ----
- combine_lang_model - generate starter traineddata
- SYNOPSIS
- --------
- *combine_lang_model* --input_unicharset 'filename' --script_dir 'dirname' --output_dir 'rootdir' --lang 'lang' [--lang_is_rtl] [pass_through_recoder] [--words file --puncs file --numbers file]
- DESCRIPTION
- -----------
- 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).
- OPTIONS
- -------
- '--lang lang'::
- The language to use.
- Tesseract uses 3-character ISO 639-2 language codes. (See LANGUAGES)
- '--script_dir PATH'::
- Directory name for input script unicharsets. It should point to the location of langdata (github repo) directory. (type:string default:)
- '--input_unicharset FILE'::
- 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:)
- '--lang_is_rtl BOOL'::
- True if language being processed is written right-to-left (eg Arabic/Hebrew). (type:bool default:false)
- '--pass_through_recoder BOOL'::
- 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)
- '--version_str STRING'::
- An arbitrary version label to add to traineddata file (type:string default:)
- '--words FILE'::
- (Optional) File listing words to use for the system dictionary (type:string default:)
- '--numbers FILE'::
- (Optional) File listing number patterns (type:string default:)
- '--puncs FILE'::
- (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:)
- '--output_dir PATH'::
- Root directory for output files. Output files will be written to <output_dir>/<lang>/<lang>.* (type:string default:)
- HISTORY
- -------
- combine_lang_model(1) was first made available for tesseract4.00.00alpha.
- RESOURCES
- ---------
- Main web site: <https://github.com/tesseract-ocr> +
- Information on training tesseract LSTM: <https://tesseract-ocr.github.io/tessdoc/TrainingTesseract-4.00.html>
- SEE ALSO
- --------
- tesseract(1)
- COPYING
- -------
- Copyright \(C) 2012 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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