title: The pro and con of BRIEF and ORB compared to SIFT
body: <p>I am doing some research in Local Feature representation, so SIFT, SURF and such.</p>
  
  <p>Now, has anybody here ever tried <a href="http://www.cs.ubc.ca/~lowe/525/papers/calonder_eccv10.pdf">BRIEF</a> and <a href="https://willowgarage.com/sites/default/files/orb_final.pdf">ORB</a>? If so, can you discuss what are some of the pro and con with respective to SIFT?</p>