 class="n">clf</span> <span class="p">;</span>
<span class="n">image</span><span class="p">(</span><span class="n">im</span><span class="p">)</span> <span class="p">;</span> <span class="n">axis</span> <span class="n">image</span> <span class="n">off</span> <span class="p">;</span>
</pre></div>

</div>

<div class="figure">
 <img src="../demo/covdet_basic_image.jpg"></img>
 <div class="caption">
  <span class="content">
   An example input image.
  </span>
 </div>
</div>

<p>The image must be converted to g