P. N. Belhumeour, J. P. Hespanha and D. J. Kriegman. “Eiegnfaces vs Fisherfaces: Recognition Using Class Specific Linear Projection,” IEEE Transactions on Pattren Analysis and Machine Intelligence, Vol. 19, No. 7, 1997, pp. 711-720. doi:10.1109/34.598228
 S. Dudoit, J. Fridlyand and T. P. Speed, “Comparison of Discrimination Methods for the Classification of Tumors Using Gene Expression Data,” Journal of the American Statistical Association, Vol. 97, No. 457, 2002, pp. 77-87. doi:10.1198/016214502753479248
 W. J. Krzanowski, P. Jonathan, W. V. McCarthy and M. R. Thomas, “Discriminant Analysis with Singular Covariance Matrices: Methods and Applications to Spectroscopic Data,” Applied Statistics, Vol. 44, No. 1, 1995, pp. 101-115. doi:10.2307/2986198
 J. Yang and D. Zhang, “Two-Dimensional PCA: A New Approach to Appearance-Based Face Representation and Recognition,” IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 26, No. 1, 2004, pp. 131137. doi:10.1109/TPAMI.2004.1261097
 J. Yang and J. Y. Yang, “Form Image Vector to Matrix: A Straightforward Image Projection Technique-IMPCA vs PCA,” Pattern Recognition, Vol. 35, No. 9, 2002, pp. 1997-1999. doi:10.1016/S0031-3203(02)00040-7
 E. K. Tang, P. N. Suganthan, X. Yao and A. K. Qin, “Linear Dimensionality Reduction Using Relevance Weighted LDA,” Pattern Recognition, Vol. 38, No. 4, 2005, pp. 485-493. doi:10.1016/j.patcog.2004.09.005
 K. Chougdali, M. Jedra and N. Zahid, “Kernel Weighted Scatter Difference Discriminant Analysis,” Journal of Image Analysis and Recognition, Vol. 5112, 2008, pp. 977983. doi:10.1007/978-3-540-69812-8_97
 W. Zhao, A. Krishnaswamy, R. Chellappa, D. L. Swets and J. Weng, “Discriminant Analysis of Principal Components for Face Recognition-FGR,” International Conference on Automatic Face and Gesture Recognition, 1416 April 1998, pp. 336-341.
 W. Zhao, R. Chellappa and N. Nandhakumar, “Emprical performance Analysis of Linear Discriminant, Classifiers,” IEEE Computer Society Conference on Computer Vision and Pattern Recognition, College Park, 23-25 June 1998, pp. 164-169.
 F. X. Song, D. Zhang, Q. L. Chen and J. Z. Wang, “Face Recognition Based on a Novel Linear Discriminant Criterion,” Pattern Analysis and Applications, Vol. 10, No. 3, 2007, pp. 165-174. doi:10.1007/s10044-006-0057-3
 S. L. Guan and X. D. Li, “Improved Maximum Scatter Difference Discriminant Analysis for Face Recognition,” Proceedings of the 2009 International Workshop on Information Security and Application (IWISA 2009), Qingdao, 21-22 November 2009.
 M. Addlesee, C. Turner and A. Hopper, “Displaying the Future,” 4th International Scientific Conference on Work with Display Units, Milan, October 1994, Technical Report 94.13http://www.cl.cam.ac.uk/research/dtg/attarchive/facedatabase.html
 A. S. Georghiades, P. N. Belhumeur and D. J. Kriegman, “From Few to Many: Illumination Cone Models for Face Recognition under Variable Lighting and Pose,” IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 23, No. 6, 2001, pp. 643-660. http://cvc.yale.edu/projects/yalefacesB/yalefacesB.html