CLASSIFIER_TESTER(1)

💅 CLASSIFIER_TESTER(1) — the classifier_tester girlies' field guide 🎀

okay so bestie, welcome to classifier_tester(1) ✨ this one is specifically for the legacy tesseract engine, so like… vintage vibes, iykyk 🦋

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✨ SYNOPSIS ✨

classifier_tester -U unicharset_file -F font_properties_file -X
xheights_file  -classifier x -lang lang [-output_trainer trainer] *.tr

🌸 DESCRIPTION 🌸

so classifier_tester(1) runs Tesseract in a special mode 👑 it takes a list of .tr files and tests a character classifier on data as formatted for training — but lowkey it does not have to be the same as the training data. it's giving "rehearsal in the same outfit but a different venue" fr fr 💅

🫶 IN/OUT ARGUMENTS 🫶

• a list of .tr files — yes that's the whole vibe, just hand over the files bestie 💖

🌈 OPTIONS 🌈

• -l lang — (Input) three character language code; default value eng. periodt 🌸
• -classifier x — (Input) One of "pruner", "full". pick your fighter 🥊
• -U unicharset — (Input) The unicharset for the language. iconic, essential, no notes 💜
• -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*

• -output_trainer trainer — (Output, Optional) Filename for output trainer. optional but slay if u use it 🎀

ngl the -X math question is literally a pop quiz in the middle of the manpage and i respect it 😭

💫 SEE ALSO 💫

• tesseract(1) — go say hi to the main character 💖

🧚 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). legends only, fr fr 🙈🔥

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and that's the whole page bestie!! 🦋 sign-off time: this was CLASSIFIER_TESTER(1), dated 2026-09-28 — ily, go test those classifiers, mwah 💜✨🍓