chnsCompute( I, varargin ) </strong></div>

<h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
<div class="fragment"><pre class="comment"> Compute channel features at a single scale given an input image.

 Compute the channel features as described in:
  P. Dollár, Z. Tu, P. Perona and S. Belongie
  &quot;Integral Channel Features&quot;, BMVC 2009.
 Channel features have proven very effective in sliding window object
 detection, both in terms of *acc