title: Convert IplImage to Mat in javacv
body: <p>I need help to convert my <code>IplImage</code> into <code>Mat</code>. I want to compute <code>HOGDescriptor</code> for my image and then classify it with SVM, but "compute" requires <code>Mat</code> type. </p>
  
  <p>Can you give some example of how to convert <code>IplImage</code> into <code>Mat</code> in java ?</p>