Takafumi Hayashi

发表

A Class of Ternary Sequence Sets with a Zero-Correlation Zone for Periodic, Aperiodic, and Odd Correlation Functions

Takafumi Hayashi, 2003, 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).

Zero-correlation zone sequence sets having subsets and its application to instrumentation

Takafumi Hayashi, S. Kanemoto, S. Okawa, 2011, SICE Annual Conference 2011.

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.

Parameterization of perfect sequences

Takafumi Hayashi, T. Maeda, 2010, TENCON 2010 - 2010 IEEE Region 10 Conference.

Two dimensional binary sequences exhibiting diamond shaped zero correlation zone

Takafumi Hayashi, 2002, Proceedings of the 41st SICE Annual Conference. SICE 2002..

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..

The Synthesis of Low-Peak Cross-Correlation Sequences Using Trigonometric Function Aliasing

Takafumi Hayashi, W. Martens, 1999 .

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 Class of Low-Peak-Factor Pseudo White Noise Sequence

Takafumi Hayashi, 2004 .

Synthesis of Low Peak-to-Peak Waveforms with Flat Spectra

Takafumi Hayashi, 1998 .

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 Novel Class of Structured Zero-Correlation Zone Sequence Sets

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

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..

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).

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..

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..

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 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.

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

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

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..

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

Takafumi Hayashi, Takafumi Hayashi, 2006, 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..

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.

Social network based smart grids analysis

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

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).

Analysis dictionary learning using block coordinate descent framework with proximal operators

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

INTEGRATED LUNAR WEB-GIS ENVIRONMENT USING DATA OBTAINED BY LUNAR EXPLORATION

Takafumi Hayashi, A. Iwasaki, S. Sobue, 2009 .

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.

A software defined wireless sensor network

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

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.

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

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

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

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

A class of two-dimensional binary sequences with zero-correlation zone

Takafumi Hayashi, T. Hayashi, 2002, IEEE Signal Processing Letters.

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..

Incoherent dictionary learning with log-regularizer based on proximal operators

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

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).

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).

Parameterization of Perfect Arrays of Real Numbers

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

Novel _ systems by using a class of binary sequences with orthogonal subsequences and zero-correlation zone

Takafumi Hayashi, 2001 .