Stages:

1. Getting started with OpenCV
  * tutorial [http://www.cognotics.com/opencv/servo_2007_series/index.html]
  * examples[[BR]]
    * [http://www.cognotics.com/opencv/downloads/camshift_wrapper/index.html]
    * fixed bugs in these examples in order to run them.
 
2. Selection of Face Recognition algorithms
  * PCA (Principal component analysis) [[BR]]
    [http://www.cs.otago.ac.nz/cosc453/student_tutorials/principal_components.pdf]