1. Lecture Notes in Computer Science;W. Aiello,2001
2. Armknecht, F., Sadeghi, A.-R.: A new approach for algebraically homomorphic encryption. Cryptology ePrint Archive, Report 2008/422 (2008),
http://eprint.iacr.org/2008/422
3. Avidan, S., Butman, M.: Efficient methods for privacy preserving face detection. In: Advances in Neural Information Processing Systems (NIPS’06), pp. 57–64. MIT Press, Cambridge (2006)
4. Lecture Notes in Computer Science;M. Barni,2009
5. Belhumeur, P.N., Hespanha, J.P., Kriegman, D.J.: Eigenfaces vs. Fisherfaces: Recognition using class specific linear projection. IEEE Transactions on Pattern Analysis and Machine Intelligence 19(7), 711–720 (1997)