Keiji Tatsumi

Profile Information

Affiliation: Associate Professor, Osaka University

Degree: (BLANK)(Mar, 1995, Nara Institute of Science and Technology)
博士（情報学）(Nov, 2006, 京都大学)

Researcher number: 30304017
J-GLOBAL ID: 200901011081479356
researchmap Member ID: 1000245003

Research Interests

Research Areas

Research History

May, 2009 - Present

Associate Professor, Division of Electrical, Electronic, and Information Engineering, Graduate School of Engineering, Osaka University
Apr, 2007 - Apr, 2009

Assistant Professor, Division of Electrical, Electronic, and Information Engineering, Graduate School of Engineering, Osaka University
Apr, 1998 - Mar, 2007

Osaka University

Education

Oct, 1996 - Mar, 1998

Kyoto University
Apr, 1995 - Sep, 1996

Graduate School of Information Science, Nara Institute of Science and Technology
Apr, 1993 - Mar, 1995

Graduate School of Information Science, Nara Institute of Science and Technology
Apr, 1989 - Mar, 1993

Faculty of Engineering, Kyoto University

Committee Memberships

2005

事業委員, システム制御情報学会

Awards

1996

システム制御情報学会賞奨励賞

Papers

Shift-Invariant Grey Wolf Optimizer Exploiting Reference Points and Random Selection of Step-Sizes

Keiji Tatsumi, Nao Kinoshita

Proc. of 2022 SICE Annual Conference, Sep, 2022 Peer-reviewedLead author
Determination of reinforcement degrees in constructing large-scale structures by using multiclass support vector machines

Keiji Tatsumi, Shunsuke Tsujioka, Ryota Masui, Yoshifumi Kusunoki, Yeboon Yun

Knowledge-Based Systems, 249 108807-108807, Aug, 2022 Peer-reviewedLead author
Transductive Learning Based on Low-Rank Representation with Convex Constraints

Yoshifumi Kusunoki, Katsuhiko Kojima, Keiji Tatsumi

Lecture Notes in Computer Science, 291-301, 2022
Multiclass Support Vector Machines for Determination of Reinforcement Degree in Constructing Large-scale Structures Based on Data Characteristics

Keiji Tatsumi, Ryota Masui, Shunsuke Tsujioka, Yoshifumi Kusunoki, Yeboon Yun

Proc. of 2021 IEEE International Conference on Systems, Man, and Cybernetics (SMC), Oct, 2021 Peer-reviewedCorresponding author
Manifold Learning with Intrinsic Distance Estimation Using Kernelized Linear Model for Metric Tensors

Katsuhiko Kojima, Yoshifumi Kusunoki, Keiji Tatsumi

Proceedings of IEEE SMC 2020, Oct, 2020 Peer-reviewedLast author
Chaotic Particle Swarm Optimization Using a Rotation Transformation Based on Two Best Solutions

Nao Kinoshita, Keiji Tatsumi

Proceedings of IEEE SMC 2020, Oct, 2020 Peer-reviewedLast author
Adaptive Stepsize Rule for Consensus Optimization by Supervisory Control Architecture

Yoshifumi Kusunoki, Naoki Hayashi, Takeshi Hatanaka, Keiji Tatsumi

Transactions of the Institute of Systems, Control and Information Engineers, 32(9) 338-348, Sep 15, 2019 Peer-reviewed
Scalarization for Approximate Multiobjective Multiclass Support Vector Machine Using the Large-k Norm

Yoshifumi Kusunoki, Keiji Tatsumi

Proceedings of the 11th Conference of the European Society for Fuzzy Logic and Technology, 698-705, Sep, 2019 Peer-reviewed
Refinement of Convergence Analysis for Consensus Optimization Algorithm with Adaptive Stepsize Rule

Yoshifumi Kusunoki, Naoki Hayashi, Takeshi Hatanaka, Keiji Tatsumi

Proceedings of the SICE Annual Conference 2019, 1293-1296, Sep, 2019 Peer-reviewed
Soft-margin Approximate Multi-objective Support Vector Machine Using Reference Point Method

Keiji Tatsumi, Stephan Matzke, Yasuhiro Matsugi, Yoshifumi Kusunoki

Sep, 2019 Invited
A Software Level Calibration Based on Bayesian Regression for a Successive Stochastic Approximation Analog-to-digital Converter System

Keiji Tatsumi, Toshimasa Matsuoka

IEEE Transactions on Cybernetics, 49(4) 1200-1211, Apr, 2019 Peer-reviewed
Approximate Multiobjective Multiclass Support Vector Machine Restricting Classifier Candidates Based on k-means Clustering

Keiji Tatsumi, Takahumi Sugimoto, Yoshifumi Kusunoki

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 11471 LNAI 271-283, Mar, 2019 Peer-reviewed
A Biomedical Sensor System with Stochastic A/D Conversion and Error Correction by Machine Learning

Yusaku Hirai, Toshimasa Matsuoka, Sadahiro Tani, Shodai Isami, Keiji Tatsumi, Masayuki Ueda, Takatsugu Kamata

IEEE Access, 7 21990-22001, Jan, 2019 Peer-reviewed
Approximate Multiobjective Multiclass SVM by Using the Reference Point Method

Yasuhiro Matsugi, Takafumi Sugimoto, Yuxiao Qi, Yoshifumi Kusunoki, Keiji Tatsumi

Proceedings - 2018 IEEE International Conference on Systems, Man, and Cybernetics, SMC 2018, 3535-3540, Oct, 2018 Peer-reviewed
Modified Perturbation-based Chaotic System Using the Quasi-Newton Method with the Symmetric Rank-one Formula for Global Optimization

Keiji Tatsumi

Proceedings of 2018 IEEE International Conference on Systems, Man, and Cybernetics (SMC), 3335-3340, Oct, 2018 Peer-reviewed
A Modification of Perturbation-based Chaotic System Using Quasi-Newton method for Global Optimization

Kei Kouno, Kousuke Ise, Keiji Tatsumi

SICE Annual Conference 2018, 1710-1713, Sep, 2018 Peer-reviewed
A Perturbation-Based Chaotic Particle Swarm Optimization Searching Around Multiple Personal Best Solutions

Tomoki Kuwabara, Haruhiko MineokaI, Keiji Tatsumi

SICE Journal of Control, Measurement, and System Integration, 11(4) 349-356, Aug, 2018 Peer-reviewed
Maximum-margin Model for Nearest Prototype Classifiers

Yoshifumi Kusunoki, Chiharu Wakou, Keiji Tatsumi

Journal of Advanced Computational Intelligence and Intelligent Informatics, 22 565-577, Jul, 2018 Peer-reviewed
A Multi-class Support Vector Machine Based on Geometric Margin Maximization

Yoshifumi Kusunoki, Keiji Tatsumi

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 10758 101-113, 2018 Peer-reviewed
Behavior-level analysis of a successive stochastic approximation analog-to-digital conversion system for multi-channel biomedical data acquisition

Sadahiro Tani, Toshimasa Matsuoka, Yusaku Hirai, Toshifumi Kurata, Keiji Tatsumi, Tomohiro Asano, Masayuki Ueda, Takatsugu Kamata

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, E100A(10) 2073-2085, Oct 1, 2017 Peer-reviewed

Misc.

Invited Talk : SAR A/D Converter Using Stochastic Conversion and Machine-Learning Error Correction

117(167) 95-100, Jul 31, 2017
Invited Talk : SAR A/D Converter Using Stochastic Conversion and Machine-Learning Error Correction

41(25) 95-100, Jul, 2017
A Regularizer Tuning Sparsity and Its Application to Regression Analysis

61 4p, May 23, 2017
An approximation method for a multiobjective SVM maximizing geometric margins for multiclass classification problems

61 3p, May 23, 2017
Particle swarm optimization : A perturbation-based chaotic particle swarm optimization using an intensive search in the direction between best solutions

60 4p, May 25, 2016
A multi-swarm chaotic particle swarm optimization using a function of which optimal solutions are three kinds of best solutions

59 5p, May 20, 2015
A soft-margin multiobjective multiclass SVM based on the one-against-all method keeping a balance between geometric margins and slack variables

59 4p, May 20, 2015
Application of Stochastic A/D Conversion to SAR-ADC

HIRAI Yusaku, ASANO Tomohiro, TANI Sadahiro, KURATA Toshifumi, TATSUMI Keiji, KAMATA Takatsugu, MATSUOKA Toshimasa

Technical report of IEICE. ICD, 114(345) 73-78, Dec 1, 2014
Rejoinder on: Support Vector Machines Maximizing Geometric Margins for Multi-Class Classification

Keiji Tatsumi, Tetsuzo Tanino

TOP, 22(3) 856-859, Oct, 2014
一対多手法に基づいた幾何マージン最大化手法のソフトマージンモデルへの拡張と学習時間削減(機械学習とデータマイニング)

巽啓司, 志賀裕輝, 谷野哲三

日本オペレーションズ・リサーチ学会春季研究発表会アブストラクト集, 2014 196-197, Mar 6, 2014
一対一手法に基づく多クラス多目的サポートベクトルマシンに対する参照点を利用した学習法(最適化(1))

巽啓司, 石田翔己, 谷野哲三

日本オペレーションズ・リサーチ学会秋季研究発表会アブストラクト集, 2013 258-259, Sep 11, 2013
A learning technique based on one-against-one method for multiobjective multiclass support vector machine

57 4p, May 15, 2013
幾何的侵入量を考慮した多目的マルチクラスSVM(連続最適化)

赤尾雅嗣, 巽啓司, 谷野哲三

日本オペレーションズ・リサーチ学会秋季研究発表会アブストラクト集, 2011 364-365, Sep 13, 2011
Multiobjective Multiclass Support Vector Machines Using Kernel Functions (Nonlinear Analysis and Convex Analysis)

Kawachi Ryo, Tatsumi Keiji, Tanino Tetsuzo

RIMS Kokyuroku, 1685 210-220, Apr, 2010
1-G-3 幾何的マージン最大化を考慮した多クラスサポートベクトルマシン(MIS・DSS)

巽啓司, 河内諒, 林田賢二, 谷野哲三

日本オペレーションズ・リサーチ学会春季研究発表会アブストラクト集, 2009 118-119, Mar 17, 2009
Multiobjective Optimization Models for Multiclass Support Vector Machines

TANINO Tetsuzo, TATSUMI Keiji, HAYASHIDA Kenji, KAWACHI Ryo

IEICE technical report, 108(277) 37-39, Oct 30, 2008
2-A-5 摂動項をもつ勾配型カオスダイナミクスによる大域的最適化問題の近似解法(非線形最適化(1))

帯田敬悟, 巽啓司, 谷野哲三

日本オペレーションズ・リサーチ学会春季研究発表会アブストラクト集, 2006 84-85, Mar 14, 2006
繰り返し囚人のジレンマゲームにおけるプレイヤーの信頼度を用いた行動決定のシミュレーション (不確実性と意思決定数理の諸問題)

森下紗枝, 巽啓司, 谷野哲三

数理解析研究所講究録, 1373 50-58, May, 2004
提携に制限のある協力ゲームにおける凸性の継承 (非線形解析学と凸解析学の研究)

松井知章, 黒木浩二郎, 森谷篤史, 巽啓司, 谷野哲三

数理解析研究所講究録, 1365 14-24, Apr, 2004
ファジィ協力ゲームにおける誘導Shapley値(ゲーム理論)

森谷篤史, 谷野哲三, 黒木浩二郎, 巽啓司

日本オペレーションズ・リサーチ学会春季研究発表会アブストラクト集, 2004 302-303, Mar 17, 2004

Books and Other Publications

数理工学事典, 茨木俊秀, 片山徹, 藤重悟監

巽啓司 (Role: Contributor, 項目「大域的最適化」（pp. 550-553）)

朝倉出版, 2011

Presentations

大規模構造物建設時の補強度合判別問題への機械学習の適用

巽啓司

システム制御情報学会研究発表講演会(SCI’21), May, 2021 Invited
Multiclass Support Vector Machine Classifying the Degree of Reinforcement in Construction of a Large-scale Structure

Keiji Tatsumi

The International Symposium on Integrated Uncertainty in Knowledge Modelling and Decision Making (IUKM) 2020, Nov 11, 2020 Invited
A Complexity Reduction Method for the Multiobjective Multiclass Support Vector Machine

Keiji Tatsumi, Tetsuzo Tanino

IFORS 2014, Jul, 2014
Multiclass Support Vector Machines Based on Multiobjective Optimization

Keiji Tatsumi

2012 Invited
A Perturbation Based Chaotic Particle Swarm Optimization Using Differential Information and Multi-type Swarms

Proceedings of SJOM2008, 2008
Chaotic multi-start method using the affine scaling method for the quadratic assignment problem

The Fourth International Conference on Nonlinear Analysis and Convex Analysis (NACA2005), 2005
A comparison of methods for generating a chaotic orbit in global optimization

The 3rd Sino-Japanese Optimization Meeting (SJOM), 2005
A Global Optimization Method Using Chaotic Dynamics with Local Search Processes

Third International Conference on Optimization and Control with Applications} (OCA2004), 2004
A New Chaotic Meta-heuristic Method with Local Search Processes for the Quadratic Assignment Problem

The 6th International Conference on Optimization: Techniques and Applications, 2004
Improved Projection Hopfield Network for the Quadratic Assignment Problem

Proceedings of The Second Japanese-Sino Optimization Meeting (JSOM 2002), 2002

Teaching Experience

2018 - Present

Computer Science and Programming I (Osaka University)
2018 - Present

Computer Science and Programming II (Osaka University)
2016 - Present

Linear Algebra for Systems Engineering (Osaka University)
2016 - Present

Applied Mathematical Sciences (Osaka University)
2016 - Present

Experiments in Electrical Engineering
2016 - Present

Mathematical Programming (Osaka University)
2012 - Present

Mathematical Programming (Osaka University)
2020

Special Topics in Mathematical Sciences
2009 - 2017

アドバンストプログラミング (前) (甲南大学知能情報学部)
2008 - 2017

Computer Science and Programming (Osaka University)
2007 - 2017

ＷＥＢアプリケーション演習 (大阪学院大学企業情報学部)
2006 - 2017

WEBデザイン演習 (大阪学院大学企業情報学部)
2007 - 2015

Heuristic Programming (Osaka University)
2009 - 2011

Experiments in Electronics and Information Engineering II
2009 - 2011

Experiments in Electronics and Information Engineering I
2009

Physics Experiments
2004 - 2008

Experiments in Electronics,Information and Energy EngineeringI
2004 - 2008

Experiments in Electronics,Information and Energy EngineeringII
2002 - 2008

プログラミング演習II (甲南大学理工学部情報システム工学科)
2007

Exercise in Computer Programming

Professional Memberships

Works

パススケジュール数理最適化の研究

2008 - 2009
圧延・精整最適スケジューリング

2005 - 2006

Research Projects

Study on combination of mathematical programming and evolutionary multi-point methods

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2020 - Mar, 2023

Keiji Tatsumi
大域的探索強化と局所解近傍の形状情報を用いる摂動型カオス進化計算最適化手法

科学研究費助成金基盤研究(C), 日本学術振興会, Apr, 2017 - Mar, 2020

巽啓司
多クラス識別に対する幾何的マージン最大化ソフトマージンサポートベクトルマシン

科学研究費助成金基盤研究(C), 日本学術振興会, Apr, 2012 - Mar, 2016

巽啓司
カオスダイナミクスを用いたパーティクルスォーム最適化法

科学研究費助成金若手研究（B）, 日本学術振興会, Apr, 2009 - Mar, 2012

巽啓司
カオスダイナミクスを用いた大域的最適化問題の解法

科学研究費助成金若手研究（B）, 日本学術振興会, 2005 - 2007

巽啓司
射影型ニューラルダイナミクスを用いた最適化問題の解法

科学研究費助成金若手研究（B）, 日本学術振興会, 2003 - 2004

巽啓司

Industrial Property Rights

特許6489605 Ａ／Ｄ変換装置

松岡,平井,谷, 朝野,巽, 倉田,鎌田

Academic Activities

計測自動制御学会システム・情報部門知能工学部会（幹事）

Planning, management, etc.

Nov, 2017 - Present
システム制御情報学会（編集委員）

Planning, management, etc.

Jun, 2017 - Present
計測自動制御学会システム・情報部門知能工学部会（運営委員）

Planning, management, etc.

Oct, 2016 - Present
日本オペレーションズ・リサーチ学会関西支部（運営委員）

Planning, management, etc.

Mar, 2011 - Present
計測自動制御学会（論文誌 Technical Programming Committee 委員）

Planning, management, etc.

Apr, 2019 - Apr, 2020
計測自動制御学会（創発システムシンポジウム幹事）

Planning, management, etc.

Apr, 2019 - Sep, 2019
第61回システム制御情報学会研究発表講演会

Planning, management, etc.

システム制御情報学会, May, 2017
システム制御情報学会（編集委員）

Planning, management, etc.

May, 2014 - May, 2016
計測自動制御学会関西支部（運営委員）

Planning, management, etc.

Jan, 2014 - Jan, 2016
第57回システム制御情報学会研究発表講演会

Planning, management, etc.

システム制御情報学会, May, 2013
15th Czech-Japan Seminar on Data Analysis and Decision Making under Uncertainty

Planning, management, etc.

Czech-Japan Seminar Committee, Sep, 2012
第56回システム制御情報学会研究発表講演会

Planning, management, etc.

システム制御情報学会, May, 2012
システム制御情報学会（編集委員）

Planning, management, etc.

Jun, 2009 - May, 2011
第55回システム制御情報学会研究発表講演会

Planning, management, etc.

システム制御情報学会, May, 2011
日本オペレーションズ・リサーチ学会関西支部（編集委員）

Planning, management, etc.

Mar, 2010 - Feb, 2011
平成21年電気関係学会関西支部連合大会

Planning, management, etc.

電気関連6学会関西支部, Nov, 2009
第52回自動制御連合講演会

Planning, management, etc.

システム制御情報学会(幹事学会)他5学会, Nov, 2009
The 7th International Conference on Optimization:

Planning, management, etc.

ICOTA7 Organizing Committee, Dec, 2007
システム制御情報学会（事業委員）

Planning, management, etc.

Jun, 2005 - May, 2007
第56回システム制御情報学会講習会

Planning, management, etc.

システム制御情報学会, Nov, 2006

Profile Information

Research Interests

Research Areas

Research History

Education

Committee Memberships

Awards

Papers

Misc.

Books and Other Publications

Presentations

Teaching Experience

Professional Memberships

Works

Research Projects

Industrial Property Rights

Academic Activities

Menu

Coauthors