classifier_tester - Man Page

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

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 it doesn’t have to be the same as the training data​.

a list of ​.tr files

-l lang

(Input) three character language code; default value eng​.

-classifier x

(Input) One of "pruner", "full"​.

-U unicharset

(Input) The unicharset for the language​.

-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​.

tesseract(1)

Copyright (C) 2012 Google, Inc​. Licensed under the Apache License, Version 2​.0

The Tesseract OCR engine was written by Ray Smith and his research groups at Hewlett Packard (1985-1995) and Google (2006-2018)​.