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Man Pages


Manual Reference Pages  -  SHAPECLUSTERING (1)

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NAME

shapeclustering - shape clustering training for Tesseract

CONTENTS

SYNOPSIS

shapeclustering -D output_dir -U unicharset -O mfunicharset -F font_props -X xheights FILE...

DESCRIPTION

shapeclustering(1) takes extracted feature .tr files (generated by tesseract(1) run in a special mode from box files) and produces a file shapetable and an enhanced unicharset. This program is still experimental, and is not required (yet) for training Tesseract.

OPTIONS

-U FILE

The unicharset generated by unicharset_extractor(1).

-D dir

Directory to write output files to.

-F font_properties_file

(Input) font properties file, where 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

-O FILE

The output unicharset that will be given to combine_tessdata(1).

SEE ALSO

tesseract(1), cntraining(1), unicharset_extractor(1), combine_tessdata(1), unicharset(5)

\m[blue]http://code.google.com/p/tesseract-ocr/wiki/TrainingTesseract3\m[]

COPYING

Copyright (C) Google, 2011 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-present).

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& SHAPECLUSTERING (1) 02/09/2012

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