ion</span>
imStats(im,res);			<span class="comment">% essentially perfect</span>
</pre>
<pre class="codeoutput">Difference statistics:
  Range: [-1.110223e-16, 1.110223e-16]
  Mean: 0.000000,  Stdev (rmse): 0.000000,  SNR (dB): 328.192949
</pre>
<pre class="codeinputs">
res = reconLpyr(pyr, pind, [2 3]);  <span class="comment">%reconstruct 2nd and 3rd levels only</span>
showIm(res);
</pre>
<img vspace="5" hspace="5" src="HTML/matlabPyrTools_19.png" alt=""> 
<h2>Wavelet/QMF pyramids:<a name="16"></a></h2>
<p