1. T. Sim and T. Kanade: Combining Models and Exemplars for Face Recognition: An Illuminating Example. Proceedings of the CVPR December 2001.
2. P. Belhumeur, J. Hespanha, and D. Kriegman: Eigenfaces vs Fisherfaces: Recognition Using Class Specific Linear Projection, PAMI-19(7), 1997.
3. T. Sim, S. Baker, and M. Bsat: The CMU Pose, Illumination, and Expression (PIE) Database of Human Faces, Tech. Report CMU-RI-TR-01-02, Robotics Institute, Carnegie Mellon University, January 2001.
4. Mahalanobis, B.V.K. Vijaya Kumar, and D. Casasent: Minimum average correlation energy filters. Appl. Opt. 26, pp. 3633–3630, 1987.
5. M. Savvides, B.V.K. Vijaya Kumar and P. Khosla: Face verification using correlation filters. Proc. Of Third IEEE Automatic Identification Advanced Technologies, Tarrytown, NY, pp.56–61, 2002.