1. Nakayama, N., Haruyama, S., Sakano, S.: Face Recognition using Perturbation Method, IEICE Technical Report, PRMU98-90:45–51 (1998)
2. Inoue, A., Sakamoto, S., Sato, A.: Face Recognition using Local Area Matching and Perturbed Subspace Method. In: 9th Symposium on Sensing via Image Information (SSII 03), pp. 555–560 (2003)
3. Clippingdale, S., Matsui, A.: Perturbation of Deformable Face Templates Improves Robustness of Face Recognition to Facial Expression, IEICE Technical Report, PRMU2003-163:73–78 (2003)
4. DeCoste, D., Schölkopf, B.: Training Invariant Support Vector Machines. Machine Learning 46, 161–190 (2002)
5. Kurozumi, T., Shinza, Y., Kenmochi, Y., Kotani, K.: Facial Individuality and Expression Analysis by Eigenspace Method based on Class Features or Multiple Discriminant Analysis. In: IEEE International Conference on Image Processing (ICIP 1999 Kobe) 25PP6A (1999)