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<?xml version="1.0" encoding="ISO-8859-1" standalone="no"?>
<!DOCTYPE MAN SYSTEM "mansivp.dtd">
<MAN>
<LANGUAGE>eng</LANGUAGE>
<TITLE>std2</TITLE>
<TYPE>SIVP Toolbox</TYPE>
<DATE>March, 2006</DATE>
<SHORT_DESCRIPTION name="std2">Standard deviation of 2D matrix elements</SHORT_DESCRIPTION>
<SHORT_DESCRIPTION name="stdev2">Standard deviation of 2D matrix elements</SHORT_DESCRIPTION>
<CALLING_SEQUENCE>
<CALLING_SEQUENCE_ITEM>s = std2(im)</CALLING_SEQUENCE_ITEM>
<CALLING_SEQUENCE_ITEM>s = stdev2(im)</CALLING_SEQUENCE_ITEM>
</CALLING_SEQUENCE>
<PARAM>
<PARAM_INDENT>
<PARAM_ITEM>
<PARAM_NAME>im</PARAM_NAME>
<PARAM_DESCRIPTION>
An matrix/image, which can be integer or double matrix, but must be one channel image.
</PARAM_DESCRIPTION>
</PARAM_ITEM>
<PARAM_ITEM>
<PARAM_NAME>s</PARAM_NAME>
<PARAM_DESCRIPTION>
The standard deviation, a scalar of class double.
</PARAM_DESCRIPTION>
</PARAM_ITEM>
</PARAM_INDENT>
</PARAM>
<DESCRIPTION>
<P><TT>std2/stdev2</TT> computes standard deviation of matrix <TT>im</TT> using <TT>stdev(im(:))</TT>.</P>
</DESCRIPTION>
<!-- ================================= -->
<AUTHORS>
<AUTHORS_ITEM name="Shiqi"> Shiqi Yu <shiqi.yu[at]gmail.com> </AUTHORS_ITEM>
</AUTHORS>
<!-- ================================= -->
<SECTION label="Availability">
The latest version of SIVP can be found at
<P><A href="http://sivp.sourceforge.net">http://sivp.sourceforge.net</A></P>
</SECTION>
<!-- ================================= -->
<SEE_ALSO>
<SEE_ALSO_ITEM> <LINK>mean2</LINK> </SEE_ALSO_ITEM>
<SEE_ALSO_ITEM> <LINK>corr2</LINK> </SEE_ALSO_ITEM>
</SEE_ALSO>
</MAN>
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