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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.docbook.org/xml/4.5/docbookx.dtd">
<refentry>
<refentryinfo>
<title>ExactImage Manual</title>
<date>04/11/2010</date>
<productname>optimize2bw</productname>
<authorgroup>
<author>
<firstname>Jakub</firstname>
<surname>Wilk</surname>
<contrib>Wrote this manual page for the Debian system.</contrib>
<address>
<email>jwilk@debian.org</email>
</address>
</author>
<author>
<othername><ulink url='https://exactcode.com/opensource/exactimage/'/></othername>
<contrib>This manual page incorporates texts found on the ExactImage homepage.</contrib>
<!-- See <20100411100610.GA4243@jwilk.net> in the debian-email archives. -->
</author>
</authorgroup>
<legalnotice>
<para>This manual page was written for the Debian system (and may be used
by others).</para>
<para>Permission is granted to copy, distribute and/or modify this
document under the terms of the GNU General Public License,
Version 2 or (at your option) any later version published by
the Free Software Foundation.</para>
<para>On Debian systems, the complete text of the GNU General Public
License can be found in
<filename>/usr/share/common-licenses/GPL-2</filename>.
</para>
</legalnotice>
</refentryinfo>
<refmeta>
<refentrytitle>optimize2bw</refentrytitle>
<manvolnum>1</manvolnum>
</refmeta>
<refnamediv>
<refname>optimize2bw</refname>
<refpurpose>automatic thresholder of the ExactImage toolkit</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis>
<command>optimize2bw</command>
<arg choice='opt' rep='repeat'><replaceable>option</replaceable></arg>
<arg choice='plain'>
<group choice='req'>
<arg choice='plain'><option>-i</option></arg>
<arg choice='plain'><option>--input</option></arg>
</group>
<arg choice='plain'><replaceable>input-file</replaceable></arg>
</arg>
<arg choice='plain'>
<group choice='req'>
<arg choice='plain'><option>-o</option></arg>
<arg choice='plain'><option>--output</option></arg>
</group>
<arg choice='plain'><replaceable>output-file</replaceable></arg>
</arg>
</cmdsynopsis>
<cmdsynopsis>
<command>optimize2bw</command>
<arg choice='plain'><option>--help</option></arg>
</cmdsynopsis>
</refsynopsisdiv>
<refsection>
<title>Description</title>
<para>ExactImage is a fast C++ image processing library. Unlike many other library
frameworks it allows operation in several color spaces and bit depths
natively, resulting in low memory and computational requirements.</para>
<para><command>optimize2bw</command> reads image files and performs automatic thresholding and
optional scaling on the data. It is useful for long term archiving of
documents that have to be stored in sub-byte black and white data to reduce
storage requirements.</para>
</refsection>
<refsection>
<title>Options</title>
<variablelist>
<varlistentry>
<term><option>-i <replaceable>file</replaceable></option></term>
<term><option>--input <replaceable>file</replaceable></option></term>
<listitem>
<para>Read image from the specified file.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-o <replaceable>file</replaceable></option></term>
<term><option>--output <replaceable>file</replaceable></option></term>
<listitem>
<para>Save output image to the specified file.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-n</option></term>
<term><option>--denoise</option></term>
<listitem>
<para>Remove (“denoise”) single bit pixel noise.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-d <replaceable>n</replaceable></option></term>
<term><option>--dpi <replaceable>n</replaceable></option></term>
<listitem>
<para>Scale the image to the specified resolution.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-h <replaceable>n</replaceable></option></term>
<term><option>--high <replaceable>n</replaceable></option></term>
<listitem>
<para>Set high normalization value.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-l <replaceable>n</replaceable></option></term>
<term><option>--low <replaceable>n</replaceable></option></term>
<listitem>
<para>Set low normalization value.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-r <replaceable>n</replaceable></option></term>
<term><option>--radius <replaceable>n</replaceable></option></term>
<listitem>
<para>Set “unsharp mask” radius. The default is 0.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-s <replaceable>n</replaceable></option></term>
<term><option>--scale <replaceable>n</replaceable></option></term>
<listitem>
<para>Set output scale factor. The default is 1.0.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-sd <replaceable>x</replaceable></option></term>
<term><option>--standard-deviation <replaceable>x</replaceable></option></term>
<listitem>
<para>Set standard deviation for Gaussian distribution. The default is 0.0.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-t <replaceable>n</replaceable></option></term>
<term><option>--threshold <replaceable>n</replaceable></option></term>
<listitem>
<para>Set threshold value. The default is 0.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--help</option></term>
<listitem>
<para>Display help text and exit.</para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Examples</title>
<screen>$ optimize2bw -i logo.jpg -o logo.tif
Scale: 0</screen>
</refsection>
<refsection>
<title>See also</title>
<para>
<citerefentry><refentrytitle>exactimage</refentrytitle><manvolnum>7</manvolnum></citerefentry>
</para>
</refsection>
</refentry>
<!-- vim:set ts=2 sw=2 et:-->
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