title: What is different between all these OpenCV Python interfaces?
body: <p>There are</p>
  
  <ul>
  <li><a href="http://opencv.willowgarage.com/documentation/python/introduction.html"><code>opencv</code></a> (the library from the OpenCV guys), </li>
  <li><a href="http://opencv.willowgarage.com/documentation/python/cookbook.html"><code>cv</code></a> (the old library from the OpenCV guys) and</li>
  <li><a href="https://code.google.com/p/pyopencv/"><code>pyopencv</code></a> with its predecessor <a href="http://code.google.com/p/ctypes-opencv/"><code>ctypes-opencv</code></a>.</li>
  </ul>
  
  <p>What are the main differences and which one should I use?</p>