title: How to use vl_covdet in Python
body: <p>Can anybody tell me how i can use <code>vl_covdet</code> in python? Currently I am only using the sift provided by <code>vlfeat</code> but i am not getting the desired features through this method.</p>
  
  <pre><code>cmmd = str("/home/hassan/vlfeat/bin/glnxa64/sift "+imagename+" --output="+imageoutput+
          " "+params)
  os.system(cmmd)
  </code></pre>