Yutaka Hirakawa

Publication Activity (10 Years)

Years Active: 1982-2016
Publications (10 Years): 2

Top Topics

Minimum Variance

Optimization Algorithm

Watermark Extraction

Image Authentication

Top Venues

Int. J. Comput. Sci. Appl.

Publications

Kazuo Ohzeki, Ryota Aoyama, Yutaka Hirakawa
Minimum Variance Method to Obtain the Best Shot in Video and its Effectiveness for Face Recognition. Int. J. Comput. Sci. Appl. 13 (2) (2016)
Kazuo Ohzeki, Ryota Aoyama, Yutaka Hirakawa
Minimum variance method to obtain the best shot in video for face recognition. FedCSIS (2015)
Kazuo Ohzeki, Yuanyu Wei, Masaaki Kajihara, Masahiro Takatsuka, Yutaka Hirakawa, Toru Sugimoto
Authentication System Using Encrypted Discrete Biometrics Data. TRUST (2014)
Masahiro Takatsuka, Masaaki Kajihara, Yutaka Hirakawa, Kazuo Ohzeki
Robust watermark against double attacks of compression and cropping. GCCE (2014)
Yutaka Hirakawa, Motohiro Take, Kazuo Ohzeki
Pass-Image Authentication Method Tolerant to Random and Video-Recording Attacks. Int. J. Comput. Sci. Appl. 9 (3) (2012)
Kazuo Ohzeki, Yuanyu Wei, Yutaka Hirakawa, Kiyotsugu Sato
Consideration of the Watermark Inversion Attack and Its Invalidation Framework. IWDW (2012)
Kazuo Ohzeki, Yuanyu Wei, Yutaka Hirakawa, Kiyotsugu Sato
A New Watermarking Method with Obfuscated Quasi-Chirp Transform. IWDW (2011)
Yutaka Hirakawa, Hiroyuki Take, Kazuo Ohzeki
Pass-Image Authentication Method Tolerant to Video-Recording Attacks. FedCSIS (2011)
Yutaka Hirakawa, Yoshifumi Matsuda
The utilization method of idle PC resources. IUCS (2009)
Tetsushi Morita, Mitsuhiro Yuitou, Tetsuo Hidaka, Yutaka Hirakawa
Visualization Methods Using Three-Dimensional Space for Auctions. SAINT Workshops (2005)
Tetsuo Hidaka, Tetsushi Morita, Tomohiko Nakamura, Morihide Oinuma, Yutaka Hirakawa
Improvement of Visual Customer Relationship Management System. IRI (2004)
Hironobu Okuyama, Kenji Moriyasu, Yutaka Hirakawa
A design method for communications software evolution. ICNP (1994)
Yutaka Hirakawa
Comments on "On the Projection Method for Protocol Verification''. IEEE Trans. Software Eng. 16 (3) (1990)
Yutaka Hirakawa, Shuichi Uchida, Michihiro Monden
Hypermedia as a Communication Design Software Support. UK Hypertext (1989)
Yutaka Hirakawa, Keiji Okada
An automaton decomposition method for program structure simplification. Systems and Computers in Japan 16 (5) (1985)
Hatsukazu Tanaka, Yutaka Hirakawa, Seiko Kaneku
Recognition of Distorted Patterns Using the Viterbi Algorithm. IEEE Trans. Pattern Anal. Mach. Intell. 4 (1) (1982)