.ie \n(.g .ds Aq \(aq

.el .ds Aq '

.nh

.ad l

shapeclustering \- shape clustering training for Tesseract

.sp

shapeclustering \-D \fIoutput_dir\fR \-U \fIunicharset\fR \-O \fImfunicharset\fR \-F \fIfont_props\fR \-X \fIxheights\fR \fIFILE\fR\&...

.sp

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

.PP

\-U \fIFILE\fR

.RS 4

The unicharset generated by unicharset_extractor(1)\&.

.RE

.PP

\-D \fIdir\fR

.RS 4

Directory to write output files to\&.

.RE

.PP

\-F \fIfont_properties_file\fR

.RS 4

(Input) font properties file, where each line is of the following form, where each field other than the font name is 0 or 1:

.sp

.if n \{\

.RS 4

.\}

.nf

\*(Aqfont_name\*(Aq \*(Aqitalic\*(Aq \*(Aqbold\*(Aq \*(Aqfixed_pitch\*(Aq \*(Aqserif\*(Aq \*(Aqfraktur\*(Aq

.fi

.if n \{\

.RE

.\}

.RE

.PP

\-X \fIxheights_file\fR

.RS 4

(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? ]

.sp

.if n \{\

.RS 4

.\}

.nf

\*(Aqfont_name\*(Aq \*(Aqxheight\*(Aq

.fi

.if n \{\

.RE

.\}

.RE

.PP

\-O \fIFILE\fR

.RS 4

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

.RE

.sp

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

.sp

.sp

Copyright (C) Google, 2011 Licensed under the Apache License, Version 2\&.0

.sp

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