1. [1] P. N. Belhumeur, J. P. Hespanha and D. J. Kriegman, Eigenfaces vs. fisherfaces: Recognition using class specific linear projection. IEEE Transactions on Pattern Analysis and Machine Intelligence, 19 (7), 711–720, 1997.
2. [2] C. F. Bobis, R. C. Gonezalez, J. A. Cancelas, I. Alvarez and J. M. Enguita, Face recognition using binary thresholding for features extraction. In Proceedings of the IEEE International Conference on Image Analysis and Processing (ICIAP), pp. 1077-1080, IEEE, 1999.
3. [3] S. Cagnoni, A. Poggi, and G. L. Porcari, A modified modular eigenspace approach to face recognition. In Proceedings of the 10th International Conference on Image Analysis and Processing (ICIAP), pp. 490-495, IEEE, 1999.
4. [4] S. C. Yan, H. Wang, X. O. Tang and T. Huang, Exploring features descriptors for face recognition. In Proceedings of the 32nd IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), pp. 629-632, 2007.
5. [5] M. Kirby and L. Sirovich, Application of the Karhunen-Loeve procedure for the characterization of human faces. IEEE Transactions on Pattern Analysis and Machine Intelligence, 12, 103–108, 1990.