@Article{KCLee05,
  author =  "K.C. Lee and J. Ho and M.H. Yang and D. Kriegman",
  title =   "Visual Tracking and Recognition Using Probabilistic Appearance Manifolds",
  journal = "Computer Vision and Image Understanding ",
  year =  2005,
  volume = ,
  number = ,
  pages= ""}
 
 
 

 @Article{KCLee03,
  author =  "K.C. Lee and J. Ho and M.H. Yang and D. Kriegman",
  title =   "Video-Based Face Recognition Using Probabilistic Appearance Manifolds",
  journal = "IEEE Conf. On Computer Vision and Pattern Recognition",
  year =  2003,
  volume = 1,
  pages= "313-320"}