Takafumi Hayashi

Takafumi Hayashi, Takao Maeda, Shinya Matsufuji: A Generalized Construction Scheme of a Zero-Correlation Zone Sequence Set with a Wide Inter-Subset Zero-Correlation Zone. IEICE Transactions 95-A(11): 1931-1936 (2012)

Takao Maeda, Takafumi Hayashi: Parameterization of Perfect Sequences over a Composition Algebra. IEICE Transactions 95-A(12): 2139-2147 (2012)

Takafumi Hayashi, Atsushi Kara, Toshiaki Miyazaki, Jiro Iwase, Hideyuki Fukuhara, Tetsu Saburi, Masayuki Hisada: Coping with the Complexity of SOA Systems with Message Forensics. AINA Workshops 2012: 732-737

Takao Maeda, Takafumi Hayashi: Fourier analysis of sequences over a composition algebra of the real number field. ISITA 2012: 625-628

Takao Maeda, Takafumi Hayashi: Parameterization of Perfect Sequences of Real Numbers. IEICE Transactions 94-A(6): 1401-1407 (2011)

Takafumi Hayashi, Takao Maeda, Satoshi Okawa: A Generalized Construction of Zero-Correlation Zone Sequence Set with Sequence Subsets. IEICE Transactions 94-A(7): 1597-1602 (2011)

Takao Maeda, Takafumi Hayashi: Parameterization of Perfect Arrays of Real Numbers. IEICE Transactions 94-A(11): 2178-2187 (2011)

Takafumi Hayashi, Takao Maeda, Shinya Matsufuji, Satoshi Okawa: A Ternary Zero-Correlation Zone Sequence Set Having Wide Inter-Subset Zero-Correlation Zone. IEICE Transactions 94-A(11): 2230-2235 (2011)

Takao Maeda, Shigeru Kanemoto, Takafumi Hayashi: Pulse compression for radar using zero-correlation zone sequence sets. IGARSS 2011: 3440-3443

Shinya Matsufuji, Takahiro Matsumoto, Tomohiro Hayashida, Takafumi Hayashi, Noriyoshi Kuroyanagi, Pingzhi Fan: On a ZCZ Code Including a Sequence Used for a Synchronization Symbol. IEICE Transactions 93-A(11): 2286-2290 (2010)

Takafumi Hayashi, Shinya Matsufuji: A Generalized Construction of Optimal Zero-Correlation Zone Sequence Set from a Perfect Sequence Pair. IEICE Transactions 93-A(11): 2337-2344 (2010)

Raymond Wu, Masayuki Hisada, Atsushi Kara, Takafumi Hayashi: Event Capture Approaches for Vulnerability Detection. Security and Management 2010: 330-335

Raymond Wu, Masayuki Hisada, Atsushi Kara, Takafumi Hayashi: Metadata Driven Approaches for Web Security of New age Computing. International Conference on Internet Computing 2010: 53-58

Junya Terazono, Hideyuki Fukuhara, Isamu Koseda, Ryutaroh Fujita, Toshiaki Miyazaki, Senro Saito, Takafumi Hayashi: Service oriented architecture realized by a messaging network. NOMS 2010: 934-937

Takafumi Hayashi: A Novel Class of Zero-Correlation Zone Sequence Sets Constructed from a Perfect Sequence. IEICE Transactions 91-A(4): 1233-1237 (2008)

Takafumi Hayashi: Zero-Correlation Zone Sequence Set Constructed from a Perfect Sequence and a Complementary Sequence Pair. IEICE Transactions 91-A(7): 1676-1681 (2008)

Takafumi Hayashi: Zero-Correlation Zone Sequence Set Constructed from a Perfect Sequence. IEICE Transactions 90-A(5): 1107-1111 (2007)

Takafumi Hayashi: Zero-Correlation Zone Sequence Set Construction Using an Even-Perfect Sequence and an Odd-Perfect Sequence. IEICE Transactions 90-A(9): 1871-1875 (2007)

Takafumi Hayashi: An Integrated Sequence Construction of Binary Zero-Correlation Zone Sequences. IEICE Transactions 90-A(10): 2329-2335 (2007)

Takafumi Hayashi: Optimal Zero-Correlation Zone Sequence Set Constructed from a Perfect Sequence. CIT 2007: 475-479

Naoto Harada, Takafumi Hayashi, Naru Hirata, Hirohide Demura, Noriaki Asada: Recognition Algorithm for Topographic Features. CIT 2007: 685-689

Takafumi Hayashi, Hideyuki Fukuhara, Ryutaroh Fujita, Toshiaki Miyazaki, Senro Saito: A Messaging Network to Realize an SOA-Based System. CIT 2007: 1083-1088

Takafumi Hayashi: A Class of Two-Dimensional Signal Having a Flat Power Spectrum and a Low Peak Factor. IEICE Transactions 89-A(2): 494-502 (2006)

Takafumi Hayashi: Binary Zero-Correlation Zone Sequence Set Constructed from an M-Sequence. IEICE Transactions 89-A(2): 633-638 (2006)

Takafumi Hayashi: Ternary Sequence Set Having Periodic and Aperiodic Zero-Correlation Zone. IEICE Transactions 89-A(6): 1825-1831 (2006)

Takafumi Hayashi, Shinya Matsufuji: On Optimal Construction of Two Classes of ZCZ Codes. IEICE Transactions 89-A(9): 2345-2350 (2006)

Takafumi Hayashi: Binary Zero-Correlation Zone Sequence Set Construction Using a Cyclic Hadamard Sequence. IEICE Transactions 89-A(10): 2649-2655 (2006)

Takafumi Hayashi, Takao Maeda, Satoshi Okawa: Upper Bounds of the Correlation Functions of a Class of Binary Zero-Correlation-Zone Sequences. IEICE Transactions 88-A(3): 791-794 (2005)

Takafumi Hayashi: Binary Zero-Correlation Zone Sequence Set Construction Using a Primitive Linear Recursion. IEICE Transactions 88-A(7): 2034-2038 (2005)

Takafumi Hayashi: A Generalization of Binary Zero-Correlation Zone Sequence Sets Constructed from Hadamard Matrices. IEICE Transactions 87-A(1): 286-291 (2004)

Takafumi Hayashi: Limits of the Correlation Function of a Class of Binary Zero-correlation-zone Sequences. SIP 2003: 396-399

Takafumi Hayashi, Hiroki Mori, Motoyuki Suzuki, Shozo Makino, Hirotomo Aso: Speech Recognition Using Acoustic Similarity-Based Primitives. Systems and Computers in Japan 33(1): 8-17 (2002)

Motoyuki Suzuki, Takafumi Hayashi, Hiroki Mori, Shozo Makino, Hirotomo Aso: An Automatic Acquisition of Acoustical Units for Speech Recognition Based on Hidden Markov Network. Discovery Science 1999: 357-358

Tosiyasu L. Kunii, Gleb V. Nosovskij, Takafumi Hayashi: A diffusion model for computer animation of diffuse ink painting. CA 1995: 98-102