Kenji Koyama

发表

Temporal differences in eye and mouth movements classifying facial expressions of smiles

Shuichi Nishio, Kenji Koyama, Toru Nakamura, 1998, Proceedings Third IEEE International Conference on Automatic Face and Gesture Recognition.

The changes in Japanese researchers' usage and perception of electronic resources: Result of SCREAL Survey 2011

Hiroshi Itsumura, Hiroya Takeuchi, Yoshinori Sato, 2012, ASIST.

SIMULATED PROSTHESIS FOR EVALUATING NEW PROSTHESES

Kenji Koyama, Jiro Kawamura, Kazuyoshi Nishihara, 1990 .

Fast RSA-type Schemes Based on Singular Cubic Curves y2+axy=m³(mod n)

Kenji Koyama, K. Koyama, 1995, EUROCRYPT.

An Augmented Family of Cryptographic Parity Circuits

Kenji Koyama, Routo Terada, 1997, ISW.

An operating system kernel mechanism for the poly-processor system PPS-R

Kenji Koyama, Naohisa Takahashi, Makoto Amamiya, 1980, AFIPS '80.

Security of Improved Identity-Based Conference Key Distribution Systems

Kenji Koyama, Kazuo Ohta, K. Ohta, 1988, EUROCRYPT.

On searching for solutions of the Diophantine equation x3 + y3 +2z3 = n

Kenji Koyama, 2000, Math. Comput..

Equivalence of Counting the Number of Points on Elliptic Curve over the Ring Zn and Factoring n

Kenji Koyama, Noboru Kunihiro, N. Kunihiro, 1998, EUROCRYPT.

Membership Authentication for Hierarchical Multigroups Using the Extended Fiat-Shamir Scheme

Kenji Koyama, Kazuo Ohta, Tatsuaki Okamoto, 1991, EUROCRYPT.

Direct Demonstration of the Power to Break Public-Key Cryptosystems

Kenji Koyama, 1990, AUSCRYPT.

Information security. 3. Information security for communications.

Kenji Koyama, K. Koyama, 1988 .

Fast Exponentiation Algorithms Based on Batch-Processing and Precomputation (Special Section on Cryptography and Information Security)

Kenji Koyama, Yukio Tsuruoka, 1997 .

Nonexistence conditions of a solution for the congruence x1k + ... + xsk = N (mod pn)

Kenji Koyama, Hiroshi Sekigawa, 1999, Math. Comput..

Identity-based Conference Key Distribution Systems

Kenji Koyama, Kazuo Ohta, K. Ohta, 1987, CRYPTO.

Identity-based conference key distribution systems

Kenji Koyama, Kazuo Ohta, Kenji Koyama, 1987, Systems and Computers in Japan.

How the digital era has transformed ILL services in Japanese university libraries: a comprehensive analysis of NACSIS-ILL transaction records from 1994 to 2008

Hiroya Takeuchi, Kenji Koyama, Syun Tutiya, 2011 .

Modulus Search for Elliptic Curve Cryptosystems

Kenji Koyama, Noboru Kunihiro, Yukio Tsuruoka, 1999, ASIACRYPT.

Acute triangles in triangulations on the plane with minimum degree at least 4

Kenji Koyama, Atsuhiro Nakamoto, 2005, Discret. Math..

Demonstrating Possession without Revealing Factors (Special Section on Cryptography and Information Security)

Kenji Koyama, Toshiya Itoh, Hiroki Shizuya, 1994 .

Demonstrating Possession without Revealing Factors and its Application

Kenji Koyama, Toshiya Itoh, Hiroki Shizuya, 1990, AUSCRYPT.

Elliptic Curve Cryptosystems and Their Applications

Kenji Koyama, Tatsuaki Okamoto, T. Okamoto, 1992 .

Secure Conference Key Distribution Schemes for Conspiracy Attack

Kenji Koyama, K. Koyama, 1992, EUROCRYPT.

Predictive rate control for realtime video streaming with network triggered handover

Kenji Koyama, Susumu Ishihara, Masahiro Kuroda, 2005, IEEE Wireless Communications and Networking Conference, 2005.

On searching for solutions of the Diophantine equation x3 + y3 + z3 = n

Kenji Koyama, Hiroshi Sekigawa, Yukio Tsuruoka, 1997, Math. Comput..

Nonlinear Parity Circuits and their Cryptographic Applications

Kenji Koyama, Routo Terada, R. Terada, 1990, CRYPTO.

Difference in Hepatic Tissue Oxygenation between Total Vascular Exclusion and Inflow Occlusion of the Liver and the Possible Role of Hepatic Venous Blood under Liver Ischemia

Kenji Koyama, Tsutomu Sato, Yoshihiro Asanuma, 1998, Digestive Surgery.