Naonobu Okazaki

Profile Information

Degree: Doctor (Engineering)(Tohoku University)

J-GLOBAL ID: 200901075779510245
researchmap Member ID: 5000030947

Research Interests

Information and communication

Research Areas

Informatics / Information networks /

Education

- Mar, 1991

Dept. Electrical and Communication Engineering, Graduate School, Division of Engineering, Tohoku University
- Mar, 1988

Dept. Electrical and Communication Engineering, Graduate School, Division of Engineering, Tohoku University
- Mar, 1986

Dept. Communication Engineering, Faculty of Engineering, Tohoku University

Committee Memberships

Jun, 2014 - Present

AINA 査読委員, IEEE
Jun, 2014 - Present

AINA program committee, IEEE
Apr, 2014 - Present

情報処理学会CDS研究会運営委員, 情報処理学会
Apr, 2014 - Present

情報処理学会CDS研究会編集委員, 情報処理学会
May, 2012 - Present

AsiaJCIS program committee, 電子情報通信学会
May, 2012 - Present

AsiaJCIS 査読委員, 電子情報通信学会
Apr, 2010 - Present

コンピュータセキュリティ研究運営委員会委員, 情報処理学会
Apr, 2009 - Present

情報システムセキュリティ研究専門委員会委員, 電子情報通信学会
Mar, 2014 - Feb, 2016

DICOMO2014プログラム委員, 情報処理学会
Mar, 2014 - Feb, 2016

DICOMO2014運営委員, 情報処理学会
Jun, 2013 - Sep, 2013

FIT査読委員, 電子情報通信学会
Mar, 2003 - Mar, 2012

情報処理学会放送コンピューティング研究グループ運営委員, 情報処理学会
Apr, 2005 - Mar, 2009

情報処理学会モバイルコンピューティングとユビキタス通信研究会運営委員, 情報処理学会
Apr, 2005 - Mar, 2009

情報処理学会九州支部評議員, 情報処理学会
Jun, 2003 - May, 2007

情報処理学会論文誌編集委員, 情報処理学会
Oct, 2003 - Mar, 2005

情報処理学会九州支部幹事, 情報処理学会
Apr, 1998 - Jan, 2001

情報処理学会情報規格調査会JTC1 SC6/WG7専門委員, 情報処理学会
Apr, 1996 - Mar, 1998

情報処理学会情報規格調査会JTC1 SC6/WG2専門委員, 情報処理学会

Awards

Aug, 2017

Best Paper Award, NBiS-2017

Shotaro Usuzaki, Yuki Arikawa, Hisaaki Yamaba, Kentaro Aburada, Shin-ichiro Kubota, Mirang Park, Naonobu Okazaki
Apr, 2015

技術賞, 化学工学会

高塚佳代子, 高橋弘季, 久保田真一郎, 山場久昭, 岡崎直宣
Jul, 2014

優秀論文賞, 情報処理学会

横山絵美里, 宗裕文, 川端良樹, 久保田真一郎, 岡崎直宣
Mar, 2012

情報処理学会学会活動貢献賞, 情報処理学会

岡崎直宣
Jul, 2007

優秀論文賞, 情報処理学会

油田健太郎, 佐藤雄亮, 岡崎直宣, 冨田重幸, 朴美娘
May, 2007

優秀発表論文賞, 情報処理学会モバイルコンピューティングとユビキタス通信研究会

佐藤雄亮, 油田健太郎, 岡崎直宣, 冨田重幸, 朴美娘
Jan, 2007

優秀発表論文賞, 情報処理学会

守田可南子, 佐藤雄亮, 岡崎直宣, 朴美娘

Papers

370

Tsunami evacuation simulation considering road width in Aoshima district

Keita Nabeyama, Shotaro Usuzaki, Kentaro Aburada, Hisaaki Yamaba, Tetsuro Katayama, Naonobu Okazaki

Artificial Life and Robotics, 28(4) 779-788, Nov, 2023
Correction to: Proposal and evaluation for color constancy CAPTCHA (Artificial Life and Robotics, (2021), 26, 3, (291-296), 10.1007/s10015-021-00679-x)

Shotaro Usuzaki, Kentaro Aburada, Hisaaki Yamaba, Tetsuro Katayama, Masayuki Mukunoki, Mirang Park, Naonobu Okazaki

Artificial Life and Robotics, 27(1) 179, Feb, 2022
Proposal for a blockchain based agricultural input voucher system

Isakwisa Gaddy Tende, Kentaro Aburada, Hisaaki Yamaba, Tetsuro Katayama, Naonobu Okazaki

Artificial Life and Robotics, 2022
Proposal of Gamma Which Is a Spatial Data Sharing Distributed MQTT System

Takahiro Ueda, Tetsuro Katayama, Yoshihiro Kita, Hisaaki Yamaba, Kentaro Aburada, Naonobu Okazaki

Proceedings of International Conference on Artificial Life and Robotics, 188-192, 2022
Expansion of Application Scope and Addition of a Function for Operations into BWDM to Generate Test Cases from VDM++ Specification

Takafumi Muto, Tetsuro Katayama, Yoshihiro Kita, Hisaaki Yamaba, Kentaro Aburada, Naonobu Okazaki

Proceedings of International Conference on Artificial Life and Robotics, 183-187, 2022
Proposal of a Method to Generate Classes and Instance Variable Definitions in the VDM++ Specification from Natural Language Specification

Kensuke Suga, Tetsuro Katayama, Yoshihiro Kita, Hisaaki Yamaba, Kentaro Aburada, Naonobu Okazaki

Proceedings of International Conference on Artificial Life and Robotics, 178-182, 2022
リレーアタック耐性とボット耐性の両立を目指したインタラクティブな動画CAPTCHAの提案と評価

油田健太郎, 臼崎翔太郎, 山場久昭, 片山徹郎, 椋木雅之, 朴美娘, 岡崎直宣

情報処理学会論文誌, 62(12) 1864-1878, Dec 15, 2021
Proposal for a crop protection information system for rural farmers in Tanzania

Isakwisa Gaddy Tende, Kentaro Aburada, Hisaaki Yamaba, Tetsuro Katayama, Naonobu Okazaki

Agronomy, 11(12), Dec, 2021
Measuring test suite reusability based on the usage frequency and coverage of reused test cases

Mochamad Chandra Saputra, Tetsuro Katayama, Yoshihiro Kita, Hisaaki Yamaba, Kentaro Aburada, Naonobu Okazaki

Journal of Robotics, Networking and Artificial Life, 8(1) 24-28, Jun, 2021
Measuring redundancy score for test suite evaluation by using test cases matching approach

Mochamad Chandra Saputra, Tetsuro Katayama, Yoshihiro Kita, Hisaaki Yamaba, Kentaro Aburada, Naonobu Okazaki

Journal of Robotics, Networking and Artificial Life, 8(1) 1-5, Jun, 2021
Development and evaluation of Swahili text based CAPTCHA

Isakwisa Gaddy Tende, Kentaro Aburada, Hisaaki Yamaba, Tetsuro Katayama, Naonobu Okazaki

LifeTech 2021 - 2021 IEEE 3rd Global Conference on Life Sciences and Technologies, 293-297, Mar 9, 2021
Proposal and evaluation for color constancy CAPTCHA

Shotaro Usuzaki, Kentaro Aburada, Hisaaki Yamaba, Tetsuro Katayama, Masayuki Mukunoki, Mirang Park, Naonobu Okazaki

ARTIFICIAL LIFE AND ROBOTICS, Mar, 2021
Proposal of Jawi CAPTCHA Using Digraphia Feature of the Malay Language

Hisaaki Yamaba, Ahmad Saiful Aqmal Bin Ahmad Sohaimi, Shotaro Usuzaki, Kentaro Aburada, Masayuki Mukunoki, Mirang Park, Naonobu Okazaki

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 12835 LNCS 119-133, 2021
The seven information features of class for blob and feature envy smell detection in a class diagram

Bayu Priyambadha, Tetsuro Katayama, Yoshihiro Kita, Hisaaki Yamaba, Kentaro Aburada, Naonobu Okazaki

Proceedings of International Conference on Artificial Life and Robotics, 2021 348-351, 2021
Test suite reusability measurement based on uses frequently and coverage of reused test cases

Mochamad Chandra Saputra, Tetsuro Katayama, Yoshihiro Kita, Hisaaki Yamaba, Kentaro Aburada, Naonobu Okazaki

Proceedings of International Conference on Artificial Life and Robotics, 2021 344-347, 2021
Improvement of retuss to ensure traceability between sequence diagram in uml and java source code in real time

Kaoru Arima, Tetsuro Katayama, Yoshihiro Kita, Hisaaki Yamaba, Kentaro Aburada, Naonobu Okazaki

Proceedings of International Conference on Artificial Life and Robotics, 2021 352-355, 2021
Proposal of an algorithm to generate VDM++ specification based on its grammar by using word lists extracted from the natural language specification

Tetsuro Katayama, Yasuhiro Shigyo, Yoshihiro Kita, Hisaaki Yamaba, Kentaro Aburada, Naonobu Okazaki

Journal of Robotics, Networking and Artificial Life, 7(3) 165-169, Dec, 2020
On a user authentication method to realise an authentication system using s-EMG

Hisaaki Yamaba, Shotaro Usuzaki, Kayoko Takatsuka, Kentaro Aburada, Tetsuro Katayama, Mirang Park, Naonobu Okazaki

INTERNATIONAL JOURNAL OF GRID AND UTILITY COMPUTING, 11(5) 725-734, 2020
Evaluation of Yubimoji Based Gestures for Realizing User Authentication Method Using s-EMG

Hisaaki Yamaba, Yuki Nagatomo, Shotaro Usuzaki, Kayoko Takatsuka, Kentaro Aburada, Tetsuro Katayama, Mirang Park, Naonobu Okazaki

Advances in Intelligent Systems and Computing, 1150 AISC 834-844, 2020 Peer-reviewed
Proposal of an Algorithm to Generate VDM plus plus by Using Words Extracted from the Natural Language Specification

Yasuhiro Shigyo, Tetsuro Katayama, Yoshihiro Kita, Hisaaki Yamaba, Kentaro Aburada, Naonobu Okazaki

PROCEEDINGS OF THE 2020 INTERNATIONAL CONFERENCE ON ARTIFICIAL LIFE AND ROBOTICS (ICAROB2020), 763-766, 2020 Peer-reviewed

Misc.

A Study on Improving the Usability and Machine Resistance of Color Constancy CAPTCHA

臼崎翔太郎, 砂本佑紀, 岡崎直宣, 山場久昭, 油田健太郎

宮崎大学工学部紀要(Web), (49), 2020
Proposal for Rotating 3D Text-based CAPTCHA Using Subjective Contour

臼崎翔太郎, 油田健太郎, 山場久昭, 片山徹郎, 椋木雅之, PARK Mirang, 岡崎直宣

電子情報通信学会論文誌 B(Web), J103-B(8), 2020
Investigation on Blockchain-based Malware Information Sharing Method in Malware Detection System

119(143) 293-298, Jul 23, 2019
Investigation on Blockchain-based Malware Information Sharing Method in Malware Detection System

119(142) 293-298, Jul 23, 2019
Investigation on Blockchain-based Malware Information Sharing Method in Malware Detection System

119(141) 293-298, Jul 23, 2019
Investigation on Blockchain-based Malware Information Sharing Method in Malware Detection System

119(140) 293-298, Jul 23, 2019
複数ウィンドウサイズの効率的監視によるバースト形態に依らないDDoS攻撃検出手法の検討

臼崎翔太郎, 油田健太郎, 山場久昭, PARK Mirang, 岡崎直宣

情報処理学会シンポジウムシリーズ(CD-ROM), 2019(1), 2019
Investigation of the Color Constancy of Color Obstruction Images for CAPTCHA

臼崎翔太郎, 中原裕介, 山場久昭, 油田健太郎, 岡崎直宣

宮崎大学工学部紀要(Web), (47), 2018
Simulation on Evacuation Behavior During Disaster in Aoshima District

臼崎翔太郎, 藤井貴大, 山場久昭, 油田健太郎, 岡崎直宣

宮崎大学工学部紀要(Web), (47), 2018
Evaluation of Feature Values of Surface Electromyograms for User Authentication on Mobile Devices

46 251-256, Jul 31, 2017
A Proposal of a Mitigation Method of HTTP Flood Attacks Using a Server for Detailed Examination of Pseudo Positive Accesses

有川佑樹, 久保田真一郎, 山場久昭, 岡崎直宣

宮崎大学工学部紀要(Web), 46(46) 247‐250 (WEB ONLY)-250, Jul 31, 2017
Discriminating Legitimate Accesses from a Web Access Log Recorded During DDoS Attack

橘弘智, 有川祐樹, 臼崎翔太郎, 久保田真一郎, 高塚佳代子, 山場久昭, 岡崎直宣

宮崎大学工学部紀要(Web), 46(46) 239‐246 (WEB ONLY)-246, Jul 31, 2017
Proposal of Puzzle Authentication Method with Video Recording Attack Resistance

日隈光基, 山場久昭, 久保田真一郎, 岡崎直宣

宮崎大学工学部紀要(Web), 46(46) 263‐267 (WEB ONLY)-268, Jul 31, 2017
Personal Authentication Method Having Shoulder Surfing Resistance by Mouse Operation

117(127) 173-180, Jul 14, 2017
A Study on Individual Identification Method Using Cross-Correlation Coefficient for Realization of Personal Authentication System by s-EMG

117(127) 59-64, Jul 14, 2017
A Study on the Interactive Movie CAPTCHA Resistant to Relay Attack

117(127) 51-58, Jul 14, 2017
スマートフォン個人認証のための非拘束非接触型掌紋認証アルゴリズムの検討 (モバイルネットワークとアプリケーション)

大脇啓吾, 岡崎直宣, 山場久昭

電子情報通信学会技術研究報告 = IEICE technical report : 信学技報, 115(466) 7-12, Feb 29, 2016
A Study of Effective Indicators to Select the Protocol CoAP or HTTP Communicating with REST in IoT Environment

44 229-233, Jul 31, 2015
Application of Center of Gravity to Enhance Wireless LAN Based Location Estimation Method using Association Rules

久保田真一郎, 児玉剣太朗, 山場久昭, 岡崎直宣

宮崎大學工學部紀要, 44(44) 241-245, Jul 31, 2015
An Attempt of User Authentication Method Using Surface Electromyogram Signals

山場久昭, 長友想, 久保田真一郎, 岡崎直宣

宮崎大學工學部紀要, 44(44) 259-262, Jul 31, 2015

Books and Other Publications

ネットワークセキュリティ

関良明, 河辺義信, 西垣正勝, 岡崎美蘭, 岡崎直宣, 本郷節之, 岡田安功 (Role: Joint author, 全247頁（分担）142-160頁)

共立出版, Sep 25, 2017 (ISBN: 9784320123564)
コンピュータネットワーク概論

水野忠則, 岡崎直宣 (Role: Joint author, 全269頁（分担）241-260頁)

共立出版, Sep 15, 2014 (ISBN: 9784320123175)
コンピュータ概論

白鳥則郎, 岡崎直宣 (Role: Joint author, 全257頁（分担）172-184頁)

共立出版, Jan 25, 2013 (ISBN: 9784320123175)
コンピュータネットワークの運用と管理補訂版

水野忠則, 井手口哲夫, 石原進, 岡崎直宣 (Role: Joint author, 全200頁（分担）35-110頁)

ピアソン・エデュケーション（東京）, Oct 20, 2007 (ISBN: 9784894712713)
コンピュータネットワークの運用と管理

水野忠則, 井手口哲夫, 石原進, 岡崎直宣 (Role: Joint author, 全193頁（分担）35-110頁)

ピアソン・エデュケーション（東京）, Apr 20, 2002 (ISBN: 4894716909)

Professional Memberships

Research Projects

DXの急展開に対応する超強靭なパスワード・リスト攻撃防止基盤の確立

科学研究費助成事業, 基盤研究(C), 日本学術振興会, Apr, 2022 - Mar, 2025

岡崎直宣, 岡崎美蘭, 油田健太郎, 山場久昭
クラウドサービスに対する大規模な分散型攻撃の検知とその規模の縮小化に関する研究

科学研究費助成事業, 基盤研究(C), 日本学術振興会, Apr, 2021 - Mar, 2024

油田健太郎, 岡崎直宣, 山場久昭
深層学習に基づく筋電位個人認証を利用した多要素個人認証手法の開発

科学研究費助成事業, 基盤研究(C), 日本学術振興会, Apr, 2020 - Mar, 2023

山場久昭, 岡崎直宣, 油田健太郎
Research on Advanced IoT security flatform based on Decentralized Machine Learning Model

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2020 - Mar, 2023
クラウドサービスに対する経済的な損失を目的にしたEDoS攻撃の検知に関する研究

科学研究費助成事業, 基盤研究(C), 日本学術振興会, Apr, 2018 - Mar, 2023

油田健太郎, 岡崎直宣, 山場久昭
Application of deep learning to user authentication systems using s-EMG

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2017 - Mar, 2021

Yamaba Hisaaki
Research on security technology for realizing sacure IoT services

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2017 - Mar, 2020

Okazaki Miran
Proposal of user environment adaptive authentication method for realizing secure mobile cloud service

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2017 - Mar, 2020

Okazaki Naonobu
Applied research of project management - Application of important livestock epidemic to epidemic prevention activities -

Grants-in-Aid for Scientific Research, Grant-in-Aid for Challenging Exploratory Research, Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2019

Okazaki Naonobu, TAKATSUKA Kayoko
眼位検査中の眼球動画像に基づく眼位異常判定プロセスの開発と自動化

科学研究費助成事業, 奨励研究, 日本学術振興会, 2019 - 2019

高塚佳代子, 内田憲之, 椋木雅之, 岡崎直宣
User Authentication Method with Shoulder-surfing Resistance and High-usability for Mobile Terminal

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2014 - Mar, 2017

Okazaki Miran, Kita Yoshihiro
A study on effective and trust communication method for ubiquitous sensor network.

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2008 - 2010

OKAZAKI Naonobu, ABURADA Kentaro

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