es of outputs (which together make up a tiled output) 
   through multiple executions of the mAdd module.</dd>

   <dt class="file"><a href="mBackground.html">mBackground</a></dt>
   <dd>Remove a background from a single image (planar has proven
   to be adequate for the images we have dealt with).</dd>

   <dt class="file"><a href="mBgExec.html">mBgExec</a></dt>
   <dd>Run <tt>mBackground</tt> on all the images in the metadata table.</dd>

   <dt class="file"><a href="mBgModel.html">mBgModel</a></dt>
   <d