rames.jpg"></img>
 <div class="caption">
  <span class="content">
   The default features detected by <code/><a href=../matlab/vl_covdet.html>vl_covdet</a></code> use the DoG
   cornerness measure (like SIFT).
  </span>
 </div>
</div>

<p>In addition to the DoG detector, <code/><a href=../matlab/vl_covdet.html>vl_covdet</a></code> supports a
number of other ones:</p>

<ul>
<li>The <em>Difference of Gaussian operator</em> (also known
as <em>trace of the Hessian operator</em> or <em>Laplacian
operator</em>) u