> <span class="p">=</span> <span class="n">vl_covdet</span><span class="p">(</span><span class="n">imgs</span><span class="p">,</span> <span class="s">&#39;verbose&#39;</span><span class="p">)</span> <span class="p">;</span>
</pre></div>


<p>The <code/>verbose</code> option is not necessary, but it produces
some useful information:</p>

<pre>
vl_covdet: doubling image: yes
vl_covdet: detector: DoG
vl_covdet: peak threshold: 0.01, edge threshold: 10
vl_covdet: detected 3518 features
vl_covdet: kept 3413 ins