es
    with the orientation removed. Bottom: oriented ellipses again,
    obtained by calling <code/>vl_frame2oell</code>; note that the
    orientation is upright. Figure generated
    by <code/>vl_demo_frame</code>.
  </span>
 </div>
</div>


  
      </div>
      <div class="clear">&nbsp;</div>
    </div>
  </div> <!-- content-section -->
  <div id="footer-section">
    <div id="footer">
      &copy; 2007-13 The authors of VLFeat
    </div> <!-- footer -->
  </div> <!-- footer section -->
 </body>
 <!-- 