avid.legland@grignon.inra.fr</span>
<span class="comment">% Created: 2011-11-11,    using Matlab 7.9.0.529 (R2009b)</span>
<span class="comment">% Copyright  2011 INRA - Cepia Software Platform.</span>
</pre><h2>Input image<a name="3"></a></h2><pre class="codeinput"><span class="comment">% read input image</span>
bin = Image.read(<span class="string">'circles.png'</span>);

<span class="comment">% display</span>
show(bin);
</pre><img vspace="5" hspace="5" src="demoSkeleton_01.png" alt=""> <h2>Skeleton with 