SUN_source_code_v2/code/vlfeat-0.9.5/docsrc/install-matlab.html

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<p>These instructions explain how to use VLFeat from
MATLAB.</p>

<p><a href="%pathto:download;">Download</a> and unpack the latest
VLFeat binary distribution in a directory of your choice
(e.g. <code>~/src/vlfeat</code>). Let <code>VLFEATROOT</code> denote
this directory.</p>

<p>VLFeat must be added to MATLAB search path by running
the <code>vl_setup</code> command found in
the <code>VLFEATROOT/toolbox</code> directory. From MATLAB prompt
enter</p>

<pre>
> cd VLFEATROOT
> cd toolbox
> vl_setup
</pre>

<p>To avoid name conflicts with other MATLAB commands, all VLFeat
commands start with the <code>vl_</code> prefix (for instance the SIFT
feature extractor command is called <code>vl_sift</code>). The prefix
can be omitted by calling
<code>vl_setup('noprefix')</code> instead.</p>

<p><code>vl_setup</code> alters the search path for the current MATLAB
session only (it does not save the changes). To make the change
permanent, add the following fragment to your
<a href="http://www.google.com/search?q=site:www.mathworks.com+startup.m&amp;btnI=I"><code>startup.m</code> file</a>:</p>

<pre>
p=pwd ;
cd VLFEATROOT ;
cd toolbox ;
vl_setup ;
cd(p) ;
clear p
</pre>

<p>Alternatively, you can use the
<a href="http://www.google.com/search?q=site:www.mathworks.com+savepath&amp;btnI=I"><code>savepath</code>
command</a> to save the updated search paths.</p>

<p>All commands embed interface documentation that can be viewed with
the
builtin <a href="http://www.google.com/search?q=site:www.mathworks.com+help&amp;btnI=I"><code>help</code>
command</a> (e.g. <code>help vl_sift</code>).</p>

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