Takafumi Hayashi

发表

Pulse compression for radar using zero-correlation zone sequence sets

Shigeru Kanemoto, Takao Maeda, Takafumi Hayashi, 2011, 2011 IEEE International Geoscience and Remote Sensing Symposium.

Social network based smart grids analysis

Neil Y. Yen, Joseph C. Tsai, Takafumi Hayashi, 2014, 2014 IEEE International Symposium on Independent Computing (ISIC).

A novel construction of zero-correlation zone sequence set with wide inter-subset zero-correlation zone

Shigeru Kanemoto, Shinya Matsufuji, Takao Maeda, 2011, Proceedings of the Fifth International Workshop on Signal Design and Its Applications in Communications.

Synthesis of two-dimensional pseudo white-noise signal with low peak factor

Takafumi Hayashi, 2004, IEEE Signal Processing Letters.

Upper Bounds of the Correlation Functions of a Class of Binary Zero-Correlation-Zone Sequences

Takao Maeda, Takafumi Hayashi, Satoshi Okawa, 2005, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Metadata Driven Approaches for Web Security of New age Computing

Atsushi Kara, Takafumi Hayashi, Raymond Wu, 2010, International Conference on Internet Computing.

Analysis of Impactful Factors on Performance in Combining Architectural Elements of IoT

Akihito Nakamura, Shinji Kikuchi, Takafumi Hayashi, 2017 .

The 6th International Conference on Ambient Systems, Ne tworks and Technologies (ANT 2015) On-Demand Customizable Wireless Sensor Network

Toshiaki Miyazaki, Song Guo, Tsuneo Tsukahara, 2015 .

Binary Zero-Correlation Zone Sequence Set Construction Using a Cyclic Hadamard Sequence

Takafumi Hayashi, Takafumi Hayashi, 2006, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

A Class of Zero-Correlation Zone Sequence Set Using a Perfect Sequence

Takafumi Hayashi, 2009, IEEE Signal Processing Letters.

A Generalized Construction Scheme of a Zero-Correlation Zone Sequence Set with a Wide Inter-Subset Zero-Correlation Zone

Shinya Matsufuji, Takao Maeda, Takafumi Hayashi, 2012, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Parameterization of Perfect Sequences over a Composition Algebra

Takao Maeda, Takafumi Hayashi, 2012, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Security analysis of audio secret sharing scheme encrypting audio secrets

Takafumi Hayashi, Keisuke Tamoi, Yodai Watanabe, 2015, 2015 IEEE 7th International Conference on Awareness Science and Technology (iCAST).

Parameterization of high-dimensional perfect sequences over a composition algebra over ℝ

Takao Maeda, Takafumi Hayashi, 2014, 2014 International Symposium on Information Theory and its Applications.

An efficient algorithm for dictionary learning with a mixed-norm regularizer for sparsity based on proximal operator

Yujie Li, Shuxue Ding, Zhenni Li, 2015, 2015 9th International Conference on Signal Processing and Communication Systems (ICSPCS).

A Class of Two-Dimensional Signal Having a Flat Power Spectrum and a Low Peak Factor

Takafumi Hayashi, 2006, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Parameterization of Perfect Arrays of Real Numbers

Takao Maeda, Takafumi Hayashi, 2011, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Binary Zero-Correlation Zone Sequence Set Construction Using a Primitive Linear Recursion

Takafumi Hayashi, Takafumi Hayashi, 2005, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Semantic-addressable messaging network based on event ontology for sensor and controller network

Takafumi Hayashi, Yuichi Takahashi, Yasuhiro Abe, 2013, The SICE Annual Conference 2013.

A novel class of QPSK zero-correlation zone sequence sets

Toshiaki Miyazaki, Yodai Watanabe, Anh T. Pham, 2015, 2015 Seventh International Workshop on Signal Design and its Applications in Communications (IWSDA).

Recognition Algorithm for Topographic Features

Takafumi Hayashi, Naoto Harada, Hirohide Demura, 2007, 7th IEEE International Conference on Computer and Information Technology (CIT 2007).

Sum-rate maximization of multi-user MIMO visible light communications

Zabih Ghassemlooy, Hoa Le Minh, Anh T. Pham, 2015, 2015 IEEE International Conference on Communication Workshop (ICCW).

Loosely coupled integration of sensor data and related services: application to healthcare, environment, and ecology (インターネットアーキテクチャ)

Taro Suzuki, Takafumi Hayashi, Yodai Watanabe, 2010 .

On bent ZCZ codes

Yuta Ida, Takahiro Matsumoto, Shinya Matsufuji, 2015, 2015 Seventh International Workshop on Signal Design and its Applications in Communications (IWSDA).

Optimal Zero-Correlation Zone Sequence Set Constructed from a Perfect Sequence

Takafumi Hayashi, Takafumi Hayashi, 2007, 7th IEEE International Conference on Computer and Information Technology (CIT 2007).

A Generalized Construction of Zero-Correlation Zone Sequence Set with Sequence Subsets

Takao Maeda, Takafumi Hayashi, Satoshi Okawa, 2011, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Demand-Addressable Sensor Network: Toward Large-Scale Active Information Acquisition

Song Guo, Toshiaki Miyazaki, Peng Li, 2016, IEEE Sensors Journal.

A Novel Class of Quadriphase Zero-Correlation Zone Sequence Sets

Toshiaki Miyazaki, Yodai Watanabe, Anh T. Pham, 2017, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

A Messaging Network to Realize an SOA-Based System

Senro Saito, Toshiaki Miyazaki, Takafumi Hayashi, 2007, 7th IEEE International Conference on Computer and Information Technology (CIT 2007).

Design and Implementation of New Generation Data Format for Lunar and Planetary Exploration

Taro Suzuki, Takafumi Hayashi, Junya Terazono, 2012 .

A Novel Class of Structured Zero-Correlation Zone Sequence Sets

Anh T. Pham, Shinya Matsufuji, Takao Maeda, 2018, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Programmable wireless sensor node featuring low-power FPGA and microcontroller

Song Guo, Toshiaki Miyazaki, Tsuneo Tsukahara, 2013, 2013 International Joint Conference on Awareness Science and Technology & Ubi-Media Computing (iCAST 2013 & UMEDIA 2013).

Binary Zero-Correlation Zone Sequence Set Constructed from an M-Sequence

Takafumi Hayashi, Takafumi Hayashi, 2006, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Dictionary learning with the $${{\ell }_{1/2}}$$ℓ1/2-regularizer and the coherence penalty and its convergence analysis

Yujie Li, Shuxue Ding, Zhenni Li, 2018, Int. J. Mach. Learn. Cybern..

A Generalized Construction of Optimal Zero-Correlation Zone Sequence Set from a Perfect Sequence Pair

Shinya Matsufuji, Takafumi Hayashi, Takafumi Hayashi, 2010, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

A novel zero-correlation zone sequence set having a low-peak factor and a flat power spectrum

Yodai Watanabe, Shinya Matsufuji, Takao Maeda, 2014, 2014 International Symposium on Information Theory and its Applications.

Data processing framework with analytic infrastructure for future smart grid

Shinji Kikuchi, Takafumi Hayashi, Daishi Yoshino, 2014, 2014 International Conference on Renewable Energy Research and Application (ICRERA).

Sustainable Information Infrastructure by Using Network-centric Loosely-coupled Service Integration

Yodai Watanabe, Takafumi Hayashi, Junya Terazono, 2011, SocInfo 2011.

Limits of the Correlation Function of a Class of Binary Zero-correlation-zone Sequences

Takafumi Hayashi, 2003, SIP.

A Ternary Zero-Correlation Zone Sequence Set Having Wide Inter-Subset Zero-Correlation Zone

Shinya Matsufuji, Takao Maeda, Takafumi Hayashi, 2011, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Fourier analysis of sequences over a composition algebra of the real number field

Takao Maeda, Takafumi Hayashi, 2012, 2012 International Symposium on Information Theory and its Applications.

Artificial-Noise-Aided Precoding Design for Multi-User Visible Light Communication Channels

Anh T. Pham, Takafumi Hayashi, Thanh V. Pham, 2018, 2018 IEEE International Conference on Communications Workshops (ICC Workshops).

A network-centric approach to sensor-data and service integration

Senro Saito, Toshiaki Miyazaki, Taro Suzuki, 2011, SICE Annual Conference 2011.

Binary array set having a cross-shaped zero-correlation zone

Takafumi Hayashi, S. Okawa, Takafumi Hayashi, 2004, IEEE Signal Processing Letters.

Artificial-Noise-Aided Precoding Design for Multi-User Visible Light Communication Channels

Anh T. Pham, Takafumi Hayashi, Thanh V. Pham, 2019, IEEE Access.

On Optimal Construction of Two Classes of ZCZ Codes

Shinya Matsufuji, Takafumi Hayashi, 2006, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

A novel network-centric infrastructure for social networking services using a messaging network

Toshiaki Miyazaki, Takafumi Hayashi, Masayuki Hisada, 2013, 2013 15th Asia-Pacific Network Operations and Management Symposium (APNOMS).

Constrained analysis dictionary learning with the ℓ1/2-norm regularizer

Xiang Li, Shuxue Ding, Zhenni Li, 2016, 2016 IEEE 13th International Conference on Signal Processing (ICSP).

Speech Recognition Using Acoustic Similarity-Based Primitives

Shozo Makino, Hirotomo Aso, Takafumi Hayashi, 2002, Systems and Computers in Japan.

Image processing filter selection by block design and its simple case study

Takafumi Hayashi, Yuichi Takahashi, 2013, The SICE Annual Conference 2013.

DASN: demand-addressable sensor network for active information acquisition

Song Guo, Toshiaki Miyazaki, Deze Zeng, 2014, ICUIMC '14.

Low-peak pseudo-white-noise arrays

Takafumi Hayashi, S. Okawa, 2004, IEEE Signal Processing Letters.

Low-peak factor optimal zero-correlation zone sequence set and its applications

Shigeru Kanemoto, Shinya Matsufuji, Takao Maeda, 2013, The Sixth International Workshop on Signal Design and Its Applications in Communications.

A Novel Construction of Quadtree-structured Zero-correlation Zone Sequence Sets

Anh T. Pham, Shinya Matsufuji, Takao Maeda, 2018, 2018 International Symposium on Information Theory and Its Applications (ISITA).

Service oriented architecture realized by a messaging network

Senro Saito, Toshiaki Miyazaki, Takafumi Hayashi, 2010, 2010 IEEE Network Operations and Management Symposium - NOMS 2010.

An optimal partial transmit sequence combination method for peak-to-average power ratio reduction in SC-FDMA system

Takafumi Hayashi, Meng-Chun Wu, 2015, 2015 Seventh International Workshop on Signal Design and its Applications in Communications (IWSDA).

Analysis dictionary learning using block coordinate descent framework with proximal operators

Yujie Li, Shuxue Ding, Zhenni Li, 2017, Neurocomputing.

A novel single-wire digital handshake of communication speed for universal connector

Takafumi Hayashi, Yoshinobu Tanno, 2019, 2019 1st International Conference on Electrical, Control and Instrumentation Engineering (ICECIE).

A comprehensive data processing approach to the future smart grid

Takafumi Hayashi, Daishi Yoshino, Jiro Yamazaki, 2015, 2015 International Conference on Renewable Energy Research and Applications (ICRERA).

A diffusion model for computer animation of diffuse ink painting

Tosiyasu L. Kunii, Takafumi Hayashi, Gleb V. Nosovskij, 1995, Proceedings Computer Animation'95.

Evaluation of sitting 3D spinal model reproduced by finite element analysis by 2D / 3D registration

Koji Mori, Takafumi Hayashi, Xian Chen, 2019 .

Incoherent dictionary learning with log-regularizer based on proximal operators

Yujie Li, Shuxue Ding, Zhenni Li, 2017, Digit. Signal Process..

Zero-Correlation Zone Sequence Set Constructed from a Perfect Sequence and a Complementary Sequence Pair

Takafumi Hayashi, 2008, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

An efficient algorithm for incoherent analysis dictionary learning based on proximal operator

Xiang Li, Shuxue Ding, Zhenni Li, 2016, 2016 IEEE International Conference on Systems, Man, and Cybernetics (SMC).

Evolution of Software-Defined Sensor Networks

Song Guo, Toshiaki Miyazaki, Deze Zeng, 2013, 2013 IEEE 9th International Conference on Mobile Ad-hoc and Sensor Networks.

Optimal Zero-Correlation Zone Sequence Set Constructed from a Perfect Sequence

Takafumi Hayashi, 2007, CIT.

Coping with the Complexity of SOA Systems with Message Forensics

Toshiaki Miyazaki, Atsushi Kara, Takafumi Hayashi, 2012, 2012 26th International Conference on Advanced Information Networking and Applications Workshops.

A sensor network using content-aware messaging network architecture

Toshiaki Miyazaki, Atsushi Kara, Takafumi Hayashi, 2009, 2009 ICCAS-SICE.

A Novel Class of Zero-Correlation Zone Sequence Set Having a Low Peak-Factor and a Flat Power Spectrum

Toshiaki Miyazaki, Yodai Watanabe, Anh T. Pham, 2015, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

An Automatic Acquisition of Acoustical Units for Speech Recognition Based on Hidden Markov Network

Shozo Makino, Hirotomo Aso, Takafumi Hayashi, 1999, Discovery Science.

An Integrated Sequence Construction of Binary Zero-Correlation Zone Sequences

Takafumi Hayashi, 2007, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Low-Peak-Factor Pseudo-White-Noise Sequence Set with Optimal Zero-Correlation Zone

Shigeru Kanemoto, Shinya Matsufuji, Takao Maeda, 2014, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Robust Line Extraction Method Based on Pyramid Hierarchical Structure

Nobuo Sato, Nobuo Hataoka, Takafumi Hayashi, 2004 .

On a ZCZ Code Including a Sequence Used for a Synchronization Symbol

Pingzhi Fan, Tomohiro Hayashida, Takahiro Matsumoto, 2010, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

A Novel Construction of Tree-Structured Zero-Correlation Zone Sequence Sets

Shinya Matsufuji, Takafumi Hayashi, Takao Maeda, 2017, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

On-demand Customizable Wireless Sensor Network

Toshiaki Miyazaki, Tsuneo Tsukahara, Song Guo, 2015, ANT/SEIT.

A novel class of binary zero-correlation zone sequence sets by using a cyclic difference set

Yodai Watanabe, Takao Maeda, Takafumi Hayashi, 2014, 2014 International Symposium on Information Theory and its Applications.

A Novel Class of Zero-Correlation Zone Sequence Sets Constructed from a Perfect Sequence

Takafumi Hayashi, 2008, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Ternary Sequence Set Having Periodic and Aperiodic Zero-Correlation Zone

Takafumi Hayashi, 2006, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

A Generalization of Binary Zero-Correlation Zone Sequence Sets Constructed from Hadamard Matrices

Takafumi Hayashi, Takafumi Hayashi, 2004, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Event Capture Approaches for Vulnerability Detection

Atsushi Kara, Takafumi Hayashi, Raymond Wu, 2010, Security and Management.

A software defined wireless sensor network

Song Guo, Toshiaki Miyazaki, Tsuneo Tsukahara, 2014, 2014 International Conference on Computing, Networking and Communications (ICNC).

Zero-Correlation Zone Sequence Set Construction Using an Even-Perfect Sequence and an Odd-Perfect Sequence

Takafumi Hayashi, 2007, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Parameterization of Perfect Sequences of Real Numbers

Takao Maeda, Takafumi Hayashi, 2011, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Small-Cell Assisted Group Paging for Massive MTC in LTE Networks: Design and Analysis

Anh T. Pham, Takafumi Hayashi, Anh-Tuan H. Bui, 2021, IEEE Access.

Binary Sequences with Orthogonal Subsequences and a Zero-Correlation Zone: Pair-Preserving Shuffled Sequences

Takafumi Hayashi, 2002, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

A generalized construction of optimal zero-correlation zone sequence set from a perfect sequence

Shinya Matsufuji, Takafumi Hayashi, 2009, 2009 Fourth International Workshop on Signal Design and its Applications in Communications.

A class of ternary sequence sets having a zero-correlation zone for even and odd correlation functions

Takafumi Hayashi, 2003, IEEE International Symposium on Information Theory, 2003. Proceedings..

A novel zero-correlation zone sequence set with sequence subsets

Takao Maeda, Takafumi Hayashi, Satoshi Okawa, 2010, 2010 10th International Symposium on Communications and Information Technologies.

A novel class of binary zero-correlation zone sequence sets

Shigeru Kanemoto, Takao Maeda, Takafumi Hayashi, 2010, TENCON 2010 - 2010 IEEE Region 10 Conference.