MFTRAINING(1) MFTRAINING(1) NAME mftraining - feature training for Tesseract SYNOPSIS mftraining -U unicharset -O lang.unicharset FILE... DESCRIPTION mftraining takes a list of .tr files, from which it generates the files inttemp (the shape prototypes), shapetable, and pffmtable (the number of expected features for each character). (A fourth file called Microfeat is also written by this program, but it is not used.) OPTIONS -U FILE (Input) The unicharset generated by unicharset_extractor(1) -F font_properties_file (Input) font properties file, each line is of the following form, where each field other than the font name is 0 or 1: *font_name* *italic* *bold* *fixed_pitch* *serif* *fraktur* -X xheights_file (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? ] *font_name* *xheight* -D dir Directory to write output files to. -O FILE (Output) The output unicharset that will be given to combine_tess- data(1) SEE ALSO tesseract(1), cntraining(1), unicharset_extractor(1), combine_tessdata(1), shapeclustering(1), unicharset(5) https://tesseract-ocr.github.io/tessdoc/Training-Tesseract.html COPYING Copyright (C) Hewlett-Packard Company, 1988 Licensed under the Apache Li- cense, 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). 08/27/2026 MFTRAINING(1)
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