WATANABE Yodai 渡辺曜大

… Alternative Names

渡辺曜大ワタナベヨウダイ

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Researcher Number	70360675
External Links
Affiliation (Current)	2025: 会津大学, コンピュータ理工学部, 上級准教授
Affiliation (based on the past Project Information) *help	2017 – 2022: 会津大学, コンピュータ理工学部, 上級准教授 2009 – 2016: The University of Aizu, コンピュータ理工学部, 准教授 2007 – 2008: National Institute of Informatics, 情報学プリンシプル研究系, 助教 2006: 国立情報学研究所, 情報学プリンシプル研究系, 助手 2004 – 2005: 国立情報学研究所, 情報基盤研究系, 助手 2003: 独立行政法人理化学研究所, 脳数理研究チーム, 基礎科学特別研究員
Review Section/Research Field	Principal Investigator Fundamental theory of informatics / Basic Section 60010:Theory of informatics-related / Theory of informatics / Communication/Network engineering Except Principal Investigator Foundations of mathematics/Applied mathematics / Engineering fundamentals / Mathematical physics/Fundamental condensed matter physics
Keywords	Principal Investigator 情報量的安全性 / 量子鍵配送 / 量子暗号 / 秘密分散 / 暗号 / 効率性 / 強秘匿性 / 安全性概念 / 鍵圧縮法 / 誤り訂正技術 / 量子鍵配送方式 … More Except Principal Investigator … More 無線通信 / 計測工学 / 超音波イメージング / ZCZ / 零相関範囲系列 / 系列設計 / ZCZ系列 / 拡散符号 / 応用数学 / パルスレーダー / 合成開口 / 完全二分木 / 零相関範囲系列セット / 離散数学 / 相関関数 / レーダー / 著音波イメージング / 物理計測 / 同期 / 低ピークファクタ / 可視光通信 / 準同期 / センサー同期 / 合成開口レーダー / 無線システム / 視覚秘密分散 / レーダーパルス圧縮 / 完全系列 / 極値事象 / レヴィ型輸送現象 / 人間行動 / ファジー推論 / 非線形確率過程 / 非平衡相転移 / 人間の不連続制御 / ダイナミカルトラップ / 異常確率過程 / 非線形力学系 / 有限認知容量 / 創発事象 Less

On improving efficiency of secret sharing schemesPrincipal Investigator
- Principal Investigator
  
  Watanabe Yodai
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60010:Theory of informatics-related
- Research Institution
  The University of Aizu
Novel Construction Scheme of High-Dimensional Sequence having Particular Structures
- Principal Investigator
  
  Hayashi Takafumi
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Foundations of mathematics/Applied mathematics
- Research Institution
  Niigata University
Study on the existence and the optimality of secret sharing schemesPrincipal Investigator
- Principal Investigator
  
  Watanabe Yodai
- Project Period (FY)
  2015 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Theory of informatics
- Research Institution
  The University of Aizu
Extended phase space and emergent phenomena in social systems
- Principal Investigator
  
  LUBASHEVSKY Ihor
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Mathematical physics/Fundamental condensed matter physics
- Research Institution
  The University of Aizu
Novel Sequence Set for Novel Instrumentation and Communication Systems
- Principal Investigator
  
  HAYASHI Takafumi
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Engineering fundamentals
- Research Institution
  The University of Aizu
Quantum cryptography and symmetry of quantum statesPrincipal Investigator
- Principal Investigator
  
  WATANABE Yodai
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Fundamental theory of informatics
- Research Institution
  The University of Aizu
Formalization and proof of the security for quantum key distributionPrincipal Investigator
- Principal Investigator
  
  WATANABE Yodai
- Project Period (FY)
  2006 – 2008
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Fundamental theory of informatics
- Research Institution
  National Institute of Informatics
量子鍵配送方式の安全性および鍵共有に関する通信路容量の解析Principal Investigator
- Principal Investigator
  
  渡辺曜大
- Project Period (FY)
  2003 – 2005
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Communication/Network engineering
- Research Institution
  National Institute of Informatics
  The Institute of Physical and Chemical Research

[Journal Article] Randomness extraction via a quantum generalization of the conditional collision entropy2020
- Author(s)
  Yodai Watanabe
- Journal Title
  
  IEEE Transactions on Information Theory
  
  Volume: 66 Issue: 2 Pages: 1171-1177
- DOI
  10.1109/tit.2019.2953155
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K11831
[Journal Article] Visual secret sharing schemes encrypting multiple images2018
- Author(s)
  Sasaki Manami, Watanabe Yodai
- Journal Title
  
  IEEE Transactions on Information Forensics and Security
  
  Volume: 13 Issue: 2 Pages: 356-365
- DOI
  10.1109/tifs.2017.2750104
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15K00020
[Journal Article] A Novel Class of Quadriphase Zero-Correlation Zone Sequence Sets2017
- Author(s)
  HAYASHI Takafumi、WATANABE Yodai、MIYAZAKI Toshiaki、PHAM Anh、MAEDA Takao、MATSUFUJI Shinya
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E100.A Issue: 4 Pages: 953-960
- DOI
  10.1587/transfun.E100.A.953
- NAID
  130005529519
- ISSN
  0916-8508, 1745-1337
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K05281
[Journal Article] A Novel Construction of Tree-Structured Zero-Correlation Zone Sequence Sets2017
- Author(s)
  HAYASHI Takafumi、WATANABE Yodai、MAEDA Takao、MATSUFUJI Shinya
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E100.A Issue: 10 Pages: 2187-2194
- DOI
  10.1587/transfun.E100.A.2187
- NAID
  130006109906
- ISSN
  0916-8508, 1745-1337
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K05281
[Journal Article] Parameterization of High-Dimensional Perfect Sequences over a Composition Algebra over R2015
- Author(s)
  Takao Maeda, Yodai Watanabe, Takafumi Hayashi
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E98.A Issue: 12 Pages: 2439-2445
- DOI
  10.1587/transfun.E98.A.2439
- NAID
  130005111990
- ISSN
  0916-8508, 1745-1337
- Language
  English
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K00020
[Journal Article] Differential geometry on diffeomorphism groups and Lagrangian stability of viscous flows2007
- Author(s)
  Yodai Watanabe
- Journal Title
  
  Physica D 225
  
  Pages: 197-203
- Data Source
  KAKENHI-PROJECT-18700016
[Journal Article] Privacy amplification for quantum key distribution, Journal of Physics A2007
- Author(s)
  Yodai Watanabe
- Journal Title
  
  Mathematical and Theoretical 40
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18700016
[Journal Article] Privacy amplification for quantum key distribution2007
- Author(s)
  Yodai Watanabe
- Journal Title
  
  J. Phys. A : Math. Theor. 40
- Data Source
  KAKENHI-PROJECT-18700016
[Journal Article] Differential geometry on diffeomorphism groups and Lagrangian stability of viscous flows2007
- Author(s)
  Yodai Watanabe
- Journal Title
  
  Physica 225
  
  Pages: 197-203
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18700016
[Journal Article] Geometry on the parameter space of the belief propagation algorithm on Bayesian networks2006
- Author(s)
  Yodai Watanabe
- Journal Title
  
  Physics Letters A 350
  
  Pages: 81-86
- Data Source
  KAKENHI-PROJECT-15760289
[Journal Article] B92プロトコルの安全性証明2005
- Author(s)
  渡辺曜大
- Journal Title
  
  第28回情報理論とその応用シンポジウム予稿集 SITA2005
  
  Pages: 423-426
- NAID
  10016853811
- Data Source
  KAKENHI-PROJECT-15760289
[Journal Article] Security proof of the BB84 protocol in practical implementation2005
- Author(s)
  Yodai Watanabe
- Journal Title
  
  Proceedings of Workshop on Quantum Information Theory and Quantum Statistical Inference
  
  Pages: 70-73
- Data Source
  KAKENHI-PROJECT-15760289
[Journal Article] 量子鍵配送方式の安全性について2005
- Author(s)
  渡辺曜大
- Journal Title
  
  2005年暗号と情報セキュリティシンポジウム予稿集 SCIS2005
  
  Pages: 523-526
- Data Source
  KAKENHI-PROJECT-15760289
[Journal Article] Information reconciliation in quantum key distribution using low-density parity-check codes2004
- Author(s)
  Yodai Watanabe, Wataru Matsumoto, Hideki Imai
- Journal Title
  
  Proceedings of the 2004 International Symposium on Information Theory and its Applications ISITA2004
  
  Pages: 1265-1269
- Data Source
  KAKENHI-PROJECT-15760289
[Journal Article] Randomness extraction via a quantum generalization of the conditional collision entropy
- Author(s)
  Yodai Watanabe
- Data Source
  KAKENHI-PROJECT-21700021
[Patent] 量子鍵配送方法、通信システムおよび通信装置2011
- Inventor(s)
  渡辺曜大
- Industrial Property Rights Holder
  情報・システム研究機構
- Acquisition Date
  2011-11-18
- Data Source
  KAKENHI-PROJECT-21700021
[Patent] 量子鍵配送方法および通信装置2009
- Inventor(s)
  松本渉,渡辺曜大
- Industrial Property Rights Holder
  三菱電機株式会社,理化学研究所
- Acquisition Date
  2009-07-24
- Data Source
  KAKENHI-PROJECT-21700021
[Patent] Quantum key distribution method and communication device2009
- Inventor(s)
  松本渋, 渡辺曜大
- Industrial Property Rights Holder
  三菱電機株式会社
- Filing Date
  2009-10-27
- Overseas
- Data Source
  KAKENHI-PROJECT-21700021
[Patent] Quantum key distribution method and communication device2009
- Inventor(s)
  Wataru Matsumoto, Yodai Watanabe
- Industrial Property Rights Holder
  Mitsubishi Denki Kabushiki Kaisha
- Acquisition Date
  2009-10-27
- Overseas
- Data Source
  KAKENHI-PROJECT-21700021
[Patent] 量子鍵配送方法および通信装置2009
- Inventor(s)
  松本渉,渡辺曜大
- Industrial Property Rights Holder
  三菱電機株式会社,理化学研究所
- Acquisition Date
  2009-04-10
- Data Source
  KAKENHI-PROJECT-21700021
[Patent] 量子鍵配送方法および通信装置2008
- Inventor(s)
  渡辺曜大
- Industrial Property Rights Holder
  情報・システム研究機構
- Acquisition Date
  2008-12-19
- Data Source
  KAKENHI-PROJECT-18700016
[Patent] 量子鍵配送方法および通信装置2008
- Inventor(s)
  渡辺曜大
- Industrial Property Rights Holder
  情報・システム研究機構
- Acquisition Date
  2008-12-19
- Data Source
  KAKENHI-PROJECT-18700016
[Patent] 量子鍵配送方法および通信装置2007
- Inventor(s)
  渡辺曜大
- Industrial Property Rights Holder
  情報・システム研究機構
- Filing Date
  2007-07-24
- Overseas
- Data Source
  KAKENHI-PROJECT-18700016
[Patent] 量子鍵配送方法および通信装置2007
- Inventor(s)
  渡辺曜大
- Industrial Property Rights Holder
  情報・システム研究機構
- Filing Date
  2007-07-24
- Overseas
- Data Source
  KAKENHI-PROJECT-18700016
[Patent] 量子鍵配送方法および通信装置2006
- Inventor(s)
  渡辺曜大
- Industrial Property Rights Holder
  情報・システム研究機構
- Filing Date
  2006-01-24
- Data Source
  KAKENHI-PROJECT-15760289
[Patent] 量子鍵配送方法および通信装置2005
- Inventor(s)
  渡辺曜大
- Industrial Property Rights Holder
  情報・システム研究機構
- Industrial Property Number
  2005-188865
- Filing Date
  2005-06-28
- Data Source
  KAKENHI-PROJECT-15760289
[Presentation] Threshold audio secret sharing schemes encrypting audio secrets2020
- Author(s)
  Tetsuro Ishizuka and Yodai Watanabe
- Organizer
  2020 IEEE International Workshop on Information Forensics and Security (WIFS)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K11831
[Presentation] Simple formulation of structural similarity for halftoning and its application to visual secret sharing2018
- Author(s)
  Ryosuke Kawakubo and Yodai Watanabe
- Organizer
  IEEE 9th International Conference on Awareness Science and Technology (iCAST2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K00020
[Presentation] A Novel Binary Sequence Zero-Correlation Zone Set Having Suppressed Sub-Peaks and Its Application2016
- Author(s)
  Takafumi Hayashi, Yodai Watanabe, Akihito Nakamura, Anh Tuan PHAM, Toshiaki Miyazaki, and Takao Maeda
- Organizer
  SICE 2016
- Place of Presentation
  Tsukuba Japan
- Year and Date
  2016-09-20
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K05281
[Presentation] Security of (n, n)-threshold audio secret sharing schemes encrypting audio secrets2016
- Author(s)
  Yuto Miura and Yodai Watanabe
- Organizer
  19th IEEE Statistical Signal Processing Workshop (SSP 16)
- Place of Presentation
  Palma de Mallorca, Spain
- Year and Date
  2016-06-26
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K00020
[Presentation] Security analysis of audio secret sharing scheme encrypting audio secrets2015
- Author(s)
  Keisuke Tamoi, Takafumi Hayashi and Yodai Watanabe
- Organizer
  IEEE 7th International Conference on Awareness Science and Technology (iCAST2015)
- Place of Presentation
  Qinhuangdao，Ｃｈｉｎａ
- Year and Date
  2015-09-23
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K00020
[Presentation] ２次元２値零相関配列を用いた視覚秘密分散2013
- Author(s)
  林隆史，前田多可雄，松藤信哉，渡辺曜大
- Organizer
  応用数理学会2013年会
- Place of Presentation
  Fukuoka, Japan
- Data Source
  KAKENHI-PROJECT-24560077
[Presentation] 論文データを用いた著者の貢献度推定手法の評価2010
- Author(s)
  渡辺曜大, 市瀬龍太郎
- Organizer
  第161回情報処理学会知能システム研究会
- Place of Presentation
  国立情報学研究所
- Year and Date
  2010-11-22
- Data Source
  KAKENHI-PROJECT-21700021
[Presentation] 量子秘匿性増強の鍵生成レートについて2008
- Author(s)
  渡辺曜大
- Organizer
  第31回情報理論とその応用シンポジウム
- Place of Presentation
  栃木県日光
- Year and Date
  2008-10-09
- Data Source
  KAKENHI-PROJECT-18700016
[Presentation] 量子秘匿性増強の鍵生成レートについて2008
- Author(s)
  渡辺曜大
- Organizer
  第31回情報理論とその応用シンポジウム予稿
- Data Source
  KAKENHI-PROJECT-18700016
[Presentation] 量子鍵配送における秘匿性増強2006
- Author(s)
  渡辺曜大
- Organizer
  第29回情報理論とその応用シンポジウム予稿集
- Data Source
  KAKENHI-PROJECT-18700016
[Presentation] 量子暗号における秘匿性増強2006
- Author(s)
  渡辺曜大
- Organizer
  第7回代数幾何・数論及び符号・暗号研究集会報告集
- Data Source
  KAKENHI-PROJECT-18700016
[Presentation] A Novel Zero-Correlation Zone Sequence Set Having a Low-Peak Factor and a Flat Power Spectrum
- Author(s)
  Takafumi Hayashi, Yodai Watanabe, Takao Maeda
- Organizer
  ISITA 2014
- Place of Presentation
  Australia, Melbournea
- Year and Date
  2014-10-26 – 2014-10-29
- Data Source
  KAKENHI-PROJECT-24560077
[Presentation] 零相関範囲を有することで同期可能なデータ構成法とその応用
- Author(s)
  林隆史，前田多可雄，渡辺曜大
- Organizer
  応用数理学会
- Place of Presentation
  日本、東京
- Year and Date
  2014-09-03 – 2014-09-05
- Data Source
  KAKENHI-PROJECT-24560077
[Presentation] A Novel Class of Binary Zero-Correlation Zone Sequence Sets by Using a Cyclic Difference Set
- Author(s)
  Takafumi Hayashi, Yodai Watanabe, Takao Maeda
- Organizer
  ISITA 2014
- Place of Presentation
  Australia, Melbourne
- Year and Date
  2014-10-26 – 2014-10-29
- Data Source
  KAKENHI-PROJECT-24560077

1. 前田多可雄 (00264565)

# of Collaborated Projects: 3 results

# of Collaborated Products: 1 results
2. HAYASHI Takafumi (20218580)

# of Collaborated Projects: 2 results

# of Collaborated Products: 5 results
3. LUBASHEVSKY Ihor (80600585)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. TSUKAHARA Tsuneo (10433153)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. MIYAZAKI Toshiaki (70404895)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. DING Shuxue (80372829)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

WATANABE Yodai 渡辺 曜大

渡辺 曜大 ワタナベ ヨウダイ

Research Projects

Research Products

Co-Researchers

On improving efficiency of secret sharing schemesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Novel Construction Scheme of High-Dimensional Sequence having Particular Structures

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Study on the existence and the optimality of secret sharing schemesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Extended phase space and emergent phenomena in social systems

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Novel Sequence Set for Novel Instrumentation and Communication Systems

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Quantum cryptography and symmetry of quantum statesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Formalization and proof of the security for quantum key distributionPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

量子鍵配送方式の安全性および鍵共有に関する通信路容量の解析Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Randomness extraction via a quantum generalization of the conditional collision entropy2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Visual secret sharing schemes encrypting multiple images2018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] A Novel Class of Quadriphase Zero-Correlation Zone Sequence Sets2017

Author(s)

Journal Title

DOI

NAID

ISSN

Language

Data Source

[Journal Article] A Novel Construction of Tree-Structured Zero-Correlation Zone Sequence Sets2017

Author(s)

Journal Title

DOI

NAID

ISSN

Language

Data Source

[Journal Article] Parameterization of High-Dimensional Perfect Sequences over a Composition Algebra over R2015

WATANABE Yodai 渡辺曜大

渡辺曜大ワタナベヨウダイ