title: How to do Face Recognition using OpenCV?
body: <p>I am trying to do some Face Recognition (not detection) stuff using OpenCV.  I found this article with some code:</p>
  
  <p><a href="http://www.cognotics.com/opencv/servo_2007_series/index.html" rel="nofollow">http://www.cognotics.com/opencv/servo_2007_series/index.html</a></p>
  
  <p>However, this code is written using the older C-style OpenCV API.  Does someone have a C++ API version of this using a more recent version like OpenCV 2.3.1?</p>