[7] Hu R W, Xia J F. IEEE Electric Information and Control Engineering(ICEICE), 2011, 5(27): 3062.
[9] Svante Wold, Michael Sjostroma, et al. Chemometrics and Intelligent Laboratory Systems, 2001, 58: 109.
[13] Fan Bin, Lei Zhen, et al. Proceedings of 8th IEEE International Conference on Automatic Face & Gesture Recognition, 2008, 1.