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Research Achievement

1. Tetsushi Ohki and Akira Otsuka, “Theoretical Vulnerability in MAP Speaker Adaptation” Proceedings of 42nd IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2017), (2017).
2. Tetsushi Ohki and Akira Otsuka, "Theoretical vulnerability in likelihood- ratio-based biometric verification," 2014 IEEE International Joint Conference on Biometrics (IJCB), pp.1-8, (2014).
3. Akira Otsuka, Hideki Imai , “Unconditionally Secure Electronic Voting”, Towards Trustworthy Elections; New Directions in Electronic Voting, David Chaum and Markus Jakobsson and Ronald L. Rivest and Peter Y. A. Ryan and Josh Benaloh and Miroslaw Kutylowski and Ben Adida Eds., Lecture Notes in Computer Science Vol. 6000, Springer, ISBN 978-3-642-12979-7, pp. 107-123, (2010).
4. Manabu Inuma, Akira Otsuka, and Hideki Imai, “Theoretical framework for constructing matching algorithms in biometric authentication systems,” Proceedings of the Third IAPR/IEEE International Conference on Biometrics (ICB 2009), LNCS 5558, 293-300, (2009).
5. Akira Otsuka, Goichiro Hanaoka, Junji Shikata, Hideki Imai, "An unconditionally secure electronic cash with computational Untraceability," IEICE Trans. Fundamentals, Vol. 85-A, No. 1,(2002).

Research Themes