Ohki Tetsushi 大木哲史

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OHKI Tetsushi 大木哲史

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Researcher Number	80537407
Other IDs	https://orcid.org/0000-0001-6636-9394
Affiliation (Current)	2026: 静岡大学, 情報学部, 准教授
Affiliation (based on the past Project Information) *help	2020 – 2025: 静岡大学, 情報学部, 准教授 2018 – 2019: 静岡大学, 情報学部, 講師
Review Section/Research Field	Principal Investigator Basic Section 60070:Information security-related Except Principal Investigator Basic Section 60070:Information security-related / Medium-sized Section 60:Information science, computer engineering, and related fields / The Information Society and Trust
Keywords	Principal Investigator なりすまし検知 / バイオメトリクス / 生体認証 / 機械学習 / テンプレート保護 / プライバシー / プライバシー保護 / 公平性 / 異常値検知 / Unspoofable BIometrics … More / 異常検知 / Unspoofable Biometrics / なりすまし攻撃 / セキュリティ / なりすまし … More Except Principal Investigator なりすまし / フォールバック認証 / 物理事象の多点観測 / ユーザブルセキュリティ / 認証/認可 / 多要素認証 / ユーザ認証 / セキュリティ技術 / 学習表現 / ディープラーニング / バイオメトリクス / 画像，文章，音声等認識 / 物体 / 3D / ユーザ / 点群 / ユーザビリティ / センサ / 3次元 / 空間情報 / 実世界認証 / インクルーシブ / 空間 / 実世界 / 認証 / バックドア攻撃 / 計算プラットフォーム / セキュリティ / SGX / コンピューティング / 連合学習 / セキュリティー / プライバシー / 機械学習 / プライバシ / 肌理 / 爪 / 微細生体 / ASVspoofチャレンジ / 音声インタフェース / 生体認証 / 生体検知 / 話者照合 / 音声情報処理 Less

物理世界の常識を利用したユーザ認証：利便性と安全性を両立する革新的認証技術
- Principal Investigator
  
  西垣正勝
- Project Period (FY)
  2024 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 60070:Information security-related
- Research Institution
  Shizuoka University
Tri-fair Biometrics: Realizing a fair biometric authentication system that satisfies the three requirements of biometricsPrincipal Investigator
- Principal Investigator
  
  大木哲史
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 60070:Information security-related
- Research Institution
  Shizuoka University
Systematization of Secure Biometric Techniques based on Learning Representations
- Principal Investigator
  
  伊藤康一
- Project Period (FY)
  2023 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 60:Information science, computer engineering, and related fields
- Research Institution
  Tohoku University
Development of real-world oriented authentication technologies
- Principal Investigator
  
  Mori Tatsuya
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 60:Information science, computer engineering, and related fields
- Research Institution
  Waseda University
Secure Computing Platform in the AI Era
- Principal Investigator
  
  Koizumi Yuki
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 60070:Information security-related
- Research Institution
  Osaka University
Safe and secure speech information processing based on liveness detection and ASVspoof challenge
- Principal Investigator
  
  Yamagishi Junichi
- Project Period (FY)
  2018 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  The Information Society and Trust
- Research Institution
  National Institute of Informatics
Research on Unspoofable Biometrics to detect unknown presentation attacksPrincipal Investigator
- Principal Investigator
  
  OHKI Tetsushi
- Project Period (FY)
  2018 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60070:Information security-related
- Research Institution
  Shizuoka University
A quantum approach for biometric authentication: micro biometric authentication technology to break into a new physical aspect of biometric information.
- Principal Investigator
  
  NISHIGAKI Masakatsu
- Project Period (FY)
  2018 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 60070:Information security-related
- Research Institution
  Shizuoka University

All 2025 2024 2023 2022 2021 2020 2019 2018

All Journal Article Presentation

[Journal Article] Enhancing Remote Adversarial Patch Attacks on Face Detectors with Tiling and Scaling2024
- Author(s)
  Okano Masora、Ito Koichi、Nishigaki Masakatsu、Ohki Tetsushi
- Journal Title
  
  Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference
  
  Volume: - Pages: 1-6
- DOI
  10.1109/apsipaasc63619.2025.10848934
- Data Source
  KAKENHI-PROJECT-23H00463
[Journal Article] Multibiometrics Using a Single Face Image2024
- Author(s)
  Ito Koichi、Tonosaki Taito、Aoki Takafumi、Ohki Tetsushi、Nishigaki Masakatsu
- Journal Title
  
  Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference
  
  Volume: - Pages: 1-6
- DOI
  10.1109/apsipaasc63619.2025.10848999
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23H00463
[Journal Article] MagSerea: Fingerprinting Magnetic Field of Specified Area with Wearable Sensors2024
- Author(s)
  Aiba Tomoya、Arakawa Takahiko、Nishigaki Masakatsu、Mori Tatsuya、Ohki Tetsushi
- Journal Title
  
  MobileHCI '24 Adjunct: Adjunct Proceedings of the 26th International Conference on Mobile Human-Computer Interaction
  
  Volume: 6 Pages: 1-6
- DOI
  10.1145/3640471.3680238
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K19782
[Journal Article] Multi-observed Authentication: A Secure and Usable Authentication/Authorization Based on Multi-point Observation of Physical Events2024
- Author(s)
  野崎真之介，吉平瑞穂，芹澤歩弥，藤田真浩，吉村礼子，大木哲史，西垣正勝
- Journal Title
  
  情報処理学会論文誌
  
  Volume: 65 Issue: 5 Pages: 888-902
- DOI
  10.20729/00234150
- ISSN
  1882-7764
- Year and Date
  2024-05-15
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K28084
[Journal Article] LabellessFace: Fair Metric Learning for Face Recognition without Attribute Labels2024
- Author(s)
  Ohki Tetsushi、Sato Yuya、Nishigaki Masakatsu、Ito Koichi
- Journal Title
  
  Proceedings of International Joint Conference on Biometrics
  
  Volume: - Pages: 1-8
- DOI
  10.1109/ijcb62174.2024.10744511
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23H00463
[Journal Article] PinchKey: A Natural and User-Friendly Approach to VR User Authentication2023
- Author(s)
  Suzuki Mei、Iijima Ryo、Nomoto Kazuki、Ohki Tetsushi、Mori Tatsuya
- Journal Title
  
  Proceedings of the 2023 European Symposium on Usable Security
  
  Volume: - Pages: 192-211
- DOI
  10.1145/3617072.3617122
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K19782
[Journal Article] Improving Rank-N Identification Rate of Palmprint Identification Using Permutation-based Indexing2022
- Author(s)
  吉平瑞穂，野崎真之介，芹澤歩弥，中原正隆，馬場昭，窪田歩，大木哲史，西垣正勝
- Journal Title
  
  情報処理学会論文誌
  
  Volume: 63 Issue: 12 Pages: 1804-1820
- DOI
  10.20729/00222734
- ISSN
  1882-7764
- Year and Date
  2022-12-15
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H03239
[Journal Article] Multi-observed Multi-factor Authentication: A Multi-factor Authentication Using Single Credential2022
- Author(s)
  Nozaki Shinnosuke、Serizawa Ayumi、Yoshihira Mizuho、Fujita Masahiro、Shibata Yoichi、Yamanaka Tadakazu、Matsuda Nori、Ohki Tetsushi、Nishigaki Masakatsu
- Journal Title
  
  Advances in Network-Based Information Systems. NBiS 2022. Lecture Notes in Networks and Systems, vol 526. Springer
  
  Volume: - Pages: 201-211
- DOI
  10.1007/978-3-031-14314-4_20
- ISBN
  9783031143137, 9783031143144
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K19782
[Journal Article] Improvement of Micro-nail Authentication by Introducing Presentation Attack Detection and QR Code2021
- Author(s)
  塩見祐哉、大内結雲、藤田真浩、眞野勇人、大木哲史、西垣正勝
- Journal Title
  
  情報処理学会論文誌
  
  Volume: 62 Issue: 12 Pages: 1996-2010
- DOI
  10.20729/00214242
- NAID
  170000186161
- Year and Date
  2021-12-15
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H03239, KAKENHI-PROJECT-18K11294
[Journal Article] スマートフォンの通話に着目した音声と耳介による個人照合2020
- Author(s)
  郷間愛美，大木哲史，吉浦裕，市野将嗣
- Journal Title
  
  情報処理学会論文誌
  
  Volume: 61(12) Pages: 1881-1891
- NAID
  170000184171
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K11294
[Journal Article] Study on Possibility of Estimating Smartphone Inputs from Tap Sounds2020
- Author(s)
  Yumo Ouchi, Ryosuke Okudera, Yuya Shiomi, Kota Uehara, Ayaka Sugimoto, Tetsushi Ohki, Masakatsu Nishigaki
- Journal Title
  
  2020 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)
  
  Volume: － Pages: 1425-1429
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18KT0051
[Journal Article] Unsupervised Biometric Anti-spoofing using Generative Adversarial Networks2019
- Author(s)
  Vishu Gupta, Masakatsu Nishigaki, Tetsushi Ohki
- Journal Title
  
  International Journal of Informatics Society
  
  Volume: 11 Pages: 45-53
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K11294
[Journal Article] 眼球-頭部協調運動における生体反射型反応に基づく生体認証方式に関する検討2019
- Author(s)
  高橋洋介，遠藤将，松野宏昭，村松弘明，大木哲史，西垣正勝
- Journal Title
  
  情報処理学会論文誌
  
  Volume: Vol.60，No.12 Pages: 2106-2117
- NAID
  170000181198
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H03239
[Journal Article] 爪を用いたマイクロ生体認証2019
- Author(s)
  杉本元輝，藤田真浩，眞野勇人，大木哲史，西垣正勝
- Journal Title
  
  情報処理学会論文誌
  
  Volume: Vol.60，No.12 Pages: 2095-2105
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H03239
[Journal Article] 眼球-頭部協調運動における生体反射型反応に基づく生体認証方式に関する検討2019
- Author(s)
  高橋洋介, 遠藤将, 松野宏昭, 村松弘明, 大木哲史, 西垣正勝
- Journal Title
  
  情報処理学会論文誌
  
  Volume: 60 Pages: 1-12
- NAID
  170000181198
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K11294
[Journal Article] Efficient Spoofing Attack Detection against Unknown Sample using End-to-End Anomaly Detection2019
- Author(s)
  Ohki Tetsushi、Gupta Vishu、Nishigaki Masakatsu
- Journal Title
  
  2019 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)
  
  Volume: - Pages: 224-230
- DOI
  10.1109/apsipaasc47483.2019.9023183
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18KT0051
[Presentation] 埋め込み表現の内在次元を測る2025
- Author(s)
  片岩拓也，趙羽風，大木哲史
- Organizer
  言語処理学会第31回年次大会
- Data Source
  KAKENHI-PROJECT-23K28085
[Presentation] LabellessFace: Fair Metric Learning for Face Recognition without Attribute Labels2024
- Author(s)
  Tetsushi Ohki
- Organizer
  IEEE International Joint Conference on Biometrics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H00463
[Presentation] 顔検出器を攻撃対象としたRemote Adversarial Patchの検討：偽陽性増加効率向上を目的とした損失関数の改善2024
- Author(s)
  岡野真空, 伊藤康一, 西垣正勝, 大木哲史
- Organizer
  バイオメトリクスと認識・認証シンポジウム2024
- Data Source
  KAKENHI-PROJECT-23K28085
[Presentation] 顔検出器を攻撃対象としたRemote Adversarial Patchの検討2024
- Author(s)
  岡野真空, 伊藤康一, 西垣正勝, 大木哲史
- Organizer
  コンピュータセキュリティシンポジウム2024
- Data Source
  KAKENHI-PROJECT-23K28085
[Presentation] Multi-Observed Authentication: A secure and usable authentication based on multi-point observation of a single physical credential2024
- Author(s)
  Wataru Hatakeyama, Shinnosuke Nozaki, Ayumi Serizawa, Mizuho Yoshihira, Masahiro Fujita, Ayako Yoshimura, Tetsushi Ohki, Masakatsu Nishigaki
- Organizer
  Proceedings of 2024 Asia Pacific Signal and Information Processing Association Annual Summit and Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K28084
[Presentation] LabellessFace: Fair Metric Learning for Face Recognition without Attribute Labels2024
- Author(s)
  Tetsushi Ohki, Yuya Sato, Masakatsu Nishigaki, Koichi Ito
- Organizer
  IEEE International Joint Conference on Biometrics (IJCB 2024)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K28085
[Presentation] Multibiometrics Using a Single Face Image2024
- Author(s)
  Koichi Ito, Taito Tonosaki, Takafumi Aoki, Tetsushi Ohki, Masakatsu Nishigaki
- Organizer
  APSIPA ASC: Asia-Pacific Signal and Information Processing Association Annual Summit and Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K28085
[Presentation] DAP: Develop Pair-Authentication Protocol with DAP2024
- Author(s)
  Soshi Maeda, Masora Okano, Masakatsu Nishigaki, Tetsushi Ohki
- Organizer
  26th International Conference on Human-Computer Interaction with Mobile Devices and Services (MobileHCI 2024)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K28085
[Presentation] 1枚の顔画像を用いたマルチバイオメトリクスの検討2024
- Author(s)
  伊藤康一, 外崎汰斗, 青木孝文, 大木哲史, 西垣正勝
- Organizer
  信学技報（バイオメトリクス研究会）
- Data Source
  KAKENHI-PROJECT-23K28085
[Presentation] Enhancing Remote Adversarial Patch Attacks on Face Detectors with Tiling and Scaling2024
- Author(s)
  Masora Okano, Koichi Ito, Masakatsu Nishigaki, Tetsushi Ohki
- Organizer
  APSIPA ASC: Asia-Pacific Signal and Information Processing Association Annual Summit and Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K28085
[Presentation] 顔認識と連想される言語音の関連性2024
- Author(s)
  大木哲史
- Organizer
  バイオメトリクスと認識・認証シンポジウム2024
- Data Source
  KAKENHI-PROJECT-23K28085
[Presentation] Multi-Observed Authentication: A secure and usable authentication/authorization based on multi-point observation of physical events2024
- Author(s)
  Shinnosuke Nozaki, Takumi Takaiwa, Masahiro Fujita, Ayako Yoshimura, Tetsushi Ohki, Masakatsu Nishigaki
- Organizer
  Poster presentation in Network and Distributed System Security Symposium 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K28084
[Presentation] Development of a Robust Ear Recognition Algorithm using Planar Approximation2023
- Author(s)
  Takahiko Arakawa, Yuya Sato, Hitoshi Sakano and Tetsushi Ohki
- Organizer
  2023 Asia Pacific Signal and Information Processing Association Annual Summit and Conference,I4-5, November 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K28085
[Presentation] 多点観測認証：実装と評価2023
- Author(s)
  野崎真之介，髙岩拓海，藤田真浩，加藤駿，吉村礼子，大木哲史，西垣正勝
- Organizer
  情報処理学会　マルチメディア，分散，協調とモバイルシンポジウム2023
- Data Source
  KAKENHI-PROJECT-23K28084
[Presentation] 特徴量埋め込みによる顔画像非識別化とその性能評価2023
- Author(s)
  塙剛生, 伊藤康一, 青木孝文, 大木哲史, 西垣正勝
- Organizer
  第13回バイオメトリクスと認識・認証シンポジウム, OS2-3, November 22, 2023.
- Data Source
  KAKENHI-PROJECT-23K28085
[Presentation] WorldAuth: 周辺実世界の特徴を利用した新たな認証フレームワークの提案2023
- Author(s)
  鈴木芽依，飯島涼，小林竜之輔，田中優奈，大木哲史，森達哉
- Organizer
  コンピュータセキュリティシンポジウム 2023
- Data Source
  KAKENHI-PROJECT-22K19782
[Presentation] 多点観測認証：物理イベントの多点観測による利便性と安全性を両立した認証/認可方式2023
- Author(s)
  野崎真之介，髙岩拓海，藤田真浩，吉村礼子，大木哲史，西垣正勝
- Organizer
  第13回バイオメトリクスと認識・認証シンポジウム2023（ポスター発表）
- Data Source
  KAKENHI-PROJECT-23K28084
[Presentation] 感情を考慮した異常ログ生成手法についての検討2023
- Author(s)
  鈴木伶哉, 竹内廉, 柳生航平, 西垣正勝, 大木哲史
- Organizer
  暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-21H03442
[Presentation] 生体特徴の特性を考慮したマルチバイオメトリクスに関する検討2023
- Author(s)
  外崎汰斗, 伊藤康一, 青木孝文, 大木哲史, 西垣正勝
- Organizer
  信学技報（バイオメトリクス研究会）, Vol. 123, No. 209, BioX2023-64, pp. 32-36
- Data Source
  KAKENHI-PROJECT-23K28085
[Presentation] 3軸磁気値を利用した屋内位置識別手法の提案2023
- Author(s)
  相場智也, 佐藤佑哉, 西垣正勝, 大木哲史
- Organizer
  情報処理学会コンピュータセキュリティ研究会 (CSEC)
- Data Source
  KAKENHI-PROJECT-22K19782
[Presentation] MagSerea:周辺世界の3軸磁気情報に基づく認証方式2023
- Author(s)
  相場智也，森達哉，西垣正勝，大木哲史
- Organizer
  コンピュータセキュリティシンポジウム 2023
- Data Source
  KAKENHI-PROJECT-22K19782
[Presentation] セクション情報を考慮したアンサンブル型マルウェア分類器の提案2023
- Author(s)
  竹内廉, 三橋力麻, 西垣正勝, 大木哲史
- Organizer
  暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-21H03442
[Presentation] 人種間の公平性を考慮した顔認証距離学習2023
- Author(s)
  佐藤佑哉, 伊藤康一, 西垣正勝, 大木哲史
- Organizer
  コンピュータセキュリティシンポジウム2023, 4E1-1, November 1, 2023.
- Data Source
  KAKENHI-PROJECT-23K28085
[Presentation] 特徴量変換器を用いたテンプレート復元攻撃の提案2022
- Author(s)
  赤阪夢久, 佐藤佑哉, 前田壮志, 西垣正勝, 大木哲史
- Organizer
  バイオメトリクスと認識・認証シンポジウム
- Data Source
  KAKENHI-PROJECT-21H03442
[Presentation] Improving Palmprint-Region Estimation for ID-less Palmprint Recognition2022
- Author(s)
  Ayumi Serizawa, Ryosuke Okudera, Yumo Ouchi, Mizuho Yoshihira, Yuya Shiomi, Naoya Nitta, Masataka Nakahara, Akira Baba, Yutaka Miyake, Tetsushi Ohki, Masakatsu Nishigaki
- Organizer
  Proceedings of 2022 International Conference on Broad-Band Wireless Computing, Communication and Applications (BWCCA 2022)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H03239
[Presentation] Deep Master Voiceによる話者照合システムへのウルフ攻撃可能性の検証2022
- Author(s)
  土屋純, 西垣正勝, 大木哲史
- Organizer
  電子情報通信学会BioX研究会
- Data Source
  KAKENHI-PROJECT-18K11294
[Presentation] Improving Robustness and Visibility of Adversarial CAPTCHA Using Low-Frequency Perturbation2022
- Author(s)
  Terada Takamichi、Nguyen Vo Ngoc Khoi、Nishigaki Masakatsu、Ohki Tetsushi
- Organizer
  2022 International Conference on Advanced Information Networking and Applications
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K11294
[Presentation] 骨格情報を用いた1対多掌紋認証のN位認証率向上に関する検討2022
- Author(s)
  芹澤歩弥，吉平瑞穂，野崎真之介，中原正隆，馬場昭，窪田歩，大木哲史，西垣正勝
- Organizer
  情報処理学会　コンピュータセキュリティ研究会
- Data Source
  KAKENHI-PROJECT-18H03239
[Presentation] 特徴量変換器を用いたテンプレート復元攻撃の提案2022
- Author(s)
  赤阪夢久、佐藤佑哉、前田壮志、西垣正勝、大木哲史
- Organizer
  第12回バイオメトリクスと認識・認証シンポジウム
- Data Source
  KAKENHI-PROJECT-18K11294
[Presentation] Model-Free Template Reconstruction Attack with Feature Converter2022
- Author(s)
  Akasaka Muku、Maeda Soshi、Sato Yuya、Nishigaki Masakatsu、Ohki Tetsushi
- Organizer
  2022 International Conference of the Biometrics Special Interest Group
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K11294
[Presentation] Improving Rank-N Identification Rate of Palmprint Identification Using Permutation-based Indexing2022
- Author(s)
  Mizuho Yoshihira, Ayumi Serizawa, Ryosuke Okudera, Yumo Ouchi, Yuya Shiomi, Naoya Nitta, Masataka Nakahara, Akira Baba, Yutaka Miyake, Tetsushi Ohki, Masakatsu Nishigaki
- Organizer
  Proceedings of 2022 International Conference on Human-Computer Interaction（採録決定）
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H03239
[Presentation] ブラックボックス型モデル反転攻撃におけるユーザ類似性を考慮した生成モデルの検討2022
- Author(s)
  井田天星, 竹内廉, ヴォゴックコイグエン, 西垣正勝, 大木哲史
- Organizer
  暗号と情報セキュリティシンポジウム2022
- Data Source
  KAKENHI-PROJECT-18K11294
[Presentation] Model-Free Template Reconstruction Attack with Feature Converter2022
- Author(s)
  Muku Akasaka, Soshi Maeda, Yuya Sato, Masakatsu Nishigaki, Tetsushi Ohki
- Organizer
  International Conference of the Biometrics Special Interest Group
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H03442
[Presentation] ブラックボックス型モデル反転攻撃におけるユーザ類似性を考慮した生成モデルの検討2022
- Author(s)
  井田天星, 竹内廉, ヴォゴックコイグエン, 西垣正勝, 大木哲史
- Organizer
  暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-21H03442
[Presentation] Improving Rank-N Identification Rate of Palmprint Identification Using Permutation-based Indexing2022
- Author(s)
  Mizuho Yoshihira, Ayumi Serizawa, Ryosuke Okudera, Yumo Ouchi, Yuya Shiomi, Naoya Nitta, Masataka Nakahara, Akira Baba, Yutaka Miyake, Tetsushi Ohki, Masakatsu Nishigaki
- Organizer
  Proceedings of 2022 International Conference on Human-Computer Interaction (HCII 2022)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H03239
[Presentation] 画像ベースマルウェア分類器に対するセクション情報が与える影響2022
- Author(s)
  竹内廉, Vo Ngoc Khoi Nguyen, 西垣正勝, 大木哲史
- Organizer
  コンピュータセキュリティ研究会
- Data Source
  KAKENHI-PROJECT-21H03442
[Presentation] EXAMINING OF SHALLOW AUTOENCODER ON BLACK-BOX ATTACK AGAINST FACE RECOGNITION2021
- Author(s)
  Ngoc Khoi Nguyen Vo, Takamichi Terada, Masakatsu Nishigaki, Tetsushi Ohki
- Organizer
  Asia-Pacific Signal and Information Processing Association Annual Summit and Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H03442
[Presentation] スマートフォンのタップ音からの入力内容推測可能性に関する研究(その2)2021
- Author(s)
  大内結雲，奥寺瞭介，塩見祐哉，大木哲史，西垣正勝
- Organizer
  暗号と情報セキュリティシンポジウム2021
- Data Source
  KAKENHI-PROJECT-18K11294
[Presentation] ディープフェイク画像からの個人再識別化に関する検討2021
- Author(s)
  藤垣成汰朗，成田惇，菅沼弥生，西垣正勝，大木哲史
- Organizer
  暗号と情報セキュリティシンポジウム2021
- Data Source
  KAKENHI-PROJECT-18K11294
[Presentation] ディープフェイク画像からの個人再識別化に関する検討2021
- Author(s)
  藤垣成汰朗, 成田惇, 塩見裕哉, 菅沼弥生, 西垣正勝, 大木哲史
- Organizer
  暗号と情報セキュリティシンポジウム2021
- Data Source
  KAKENHI-PROJECT-18KT0051
[Presentation] スマートフォンのタップ音からの入力内容推測可能性に関する研究(その2)2021
- Author(s)
  大内結雲, 奥寺瞭介, 塩見祐哉, 大木哲史, 西垣正勝
- Organizer
  暗号と情報セキュリティシンポジウム2021
- Data Source
  KAKENHI-PROJECT-18KT0051
[Presentation] Examining of Shallow Autoencoder on Black-box Attack against Face Recognition2021
- Author(s)
  Vo Ngoc Khoi Nguyen, Takamichi Terada, Masakatsu Nishigaki, Tetsushi Ohki
- Organizer
  APSIPA ASC 2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K11294
[Presentation] 1対多掌紋認証における順列インデックスを用いたN位認証率向上に関する一検討2021
- Author(s)
  吉平瑞穂，芹澤歩弥，奥寺瞭介，大内結雲，塩見祐哉，新田修也，中原正隆，馬場昭，三宅優，大木哲史，西垣正勝
- Organizer
  情報処理学会マルチメディア，分散協調とモバイルシンポジウム2021論文集
- Data Source
  KAKENHI-PROJECT-18H03239
[Presentation] 生体検知とQRコードの導入によるマイクロ爪認証の改良にむけての一検討2020
- Author(s)
  塩見祐哉，大内結雲，奥寺瞭介，藤田真浩，眞野勇人，大木哲史，西垣正勝
- Organizer
  コンピュータセキュリティシンポジウム2020
- Data Source
  KAKENHI-PROJECT-18K11294
[Presentation] 発汗を用いた生体検知手法の一検討2020
- Author(s)
  奥寺瞭介，大内結雲，塩見祐哉，杉本彩歌，杉本元輝，藤田真浩，眞野勇人，大木哲史，西垣正勝
- Organizer
  電子情報通信学会　バイオメトリクス研究会
- Data Source
  KAKENHI-PROJECT-18H03239
[Presentation] A Liveness Detection Method for Palmprint Authentication2020
- Author(s)
  yaka Sugimoto, Yuya Shiomi, Akira Baba, Norihiro Okui, Tetsushi Ohki, Yutaka Miyake, Masakatsu Nishigaki
- Organizer
  2020 International Conference on Intelligent Human Systems Integration: Integrating People and Intelligent Systems
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K11294
[Presentation] Micro Biometric Authentication Using Fingernail Surfaces: A Study of Practical Use2020
- Author(s)
  Yuya Shiomi, Genki Sugimoto, Ayaka Sugimoto, Kota Uehara, Masahiro Fujita, Yuto Mano, Tetsushi Ohki, Masakatsu Nishigaki
- Organizer
  Proceedings of 2020 International Conference on Advanced Information Networking and Applications
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H03239
[Presentation] Micro Biometric Authentication Using Fingernail Surfaces: A Study of Practical Use2020
- Author(s)
  Yuya Shiomi, Genki Sugimoto, Ayaka Sugimoto, Kota Uehara, Masahiro Fujita, Yuto Mano, Tetsushi Ohki, Masakatsu Nishigaki
- Organizer
  Proceedings of 2020 International Conference on Advanced Information Networking and Applications（採録決定）
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H03239
[Presentation] Micro Biometric Authentication Using Fingernail Surfaces: A Study of Practical Use2020
- Author(s)
  Yuya Shiomi, Genki Sugimoto, Ayaka Sugimoto, Kota Uehara, Masahiro Fujita,Yuto Mano, Tetsushi Ohki and Masakatsu Nishigaki
- Organizer
  Advanced Information Networking and Applications
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K11294
[Presentation] スマートフォンのタップ音からの入力内容推測可能性に関する研究2020
- Author(s)
  大内結雲, 奥寺瞭介, 塩見裕哉, 上原航汰, 杉本彩歌, 大木哲史, 西垣正勝
- Organizer
  暗号と情報セキュリティシンポジウム2020,
- Data Source
  KAKENHI-PROJECT-18KT0051
[Presentation] 生体認証を回避する物理的なAdversarial Exampleの検討2020
- Author(s)
  Vo Ngoc Khoi Nguyen，西垣正勝，大木哲史
- Organizer
  第82回情報処理学会全国大会
- Data Source
  KAKENHI-PROJECT-18K11294
[Presentation] 生体認証を回避する物理的なAdversarial Exampleの検討2020
- Author(s)
  Vo Ngoc Khoi Nguyen, 西垣正勝, 大木哲史
- Organizer
  第82回情報処理学会全国大会
- Data Source
  KAKENHI-PROJECT-18KT0051
[Presentation] 生体検知とQRコードの導入によるマイクロ爪認証の改良にむけての一検討2020
- Author(s)
  塩見祐哉，大内結雲，奥寺瞭介，藤田真浩，眞野勇人，大木哲史，西垣正勝
- Organizer
  コンピュータセキュリティシンポジウム2020
- Data Source
  KAKENHI-PROJECT-18H03239
[Presentation] Study on Possibility of Estimating Smartphone Inputs from Tap Sounds2020
- Author(s)
  Yumo Ouchi, Ryosuke Okudera, Yuya Shiomi, Kota Uehara, Ayaka Sugimoto, Tetsushi Ohki and Masakatsu Nishigaki
- Organizer
  2020 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K11294
[Presentation] 生体検知とQRコードの導入によるマイクロ爪認証の改良にむけての一検討2020
- Author(s)
  塩見祐哉，大内結雲，奥寺瞭介，藤田真浩，眞野勇人，大木哲史，西垣正勝
- Organizer
  バイオメトリクスと認識・認証シンポジウム2020（ポスター発表）
- Data Source
  KAKENHI-PROJECT-18H03239
[Presentation] Presentation Attacks and its Countermeasures on Biometric Authentication Systems2019
- Author(s)
  Tetsushi Ohki
- Organizer
  BioPro A+ Workshop
- Invited
- Data Source
  KAKENHI-PROJECT-18K11294
[Presentation] 爪表面を用いたマイクロ生体認証：実用化に向けての一検討2019
- Author(s)
  塩見祐哉，杉本元輝，杉本彩歌，上原航汰，藤田真浩，眞野勇人，大木哲史，西垣正勝
- Organizer
  バイオメトリクスと認識・認証シンポジウム2019 （ポスター発表）
- Data Source
  KAKENHI-PROJECT-18H03239
[Presentation] Effective countermeasure against biometric spoofing attacks using unsupervised one-class learning2019
- Author(s)
  Vishu Gupta, Masakatsu Nishigaki, and Tetsushi Ohki
- Organizer
  International Workshop on Informatics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K11294
[Presentation] 爪表面を用いたマイクロ生体認証：実用化に向けての一検討2019
- Author(s)
  塩見祐哉，杉本元輝，杉本彩歌，上原航汰，藤田真浩，眞野勇人，大木哲史，西垣正勝
- Organizer
  情報処理学会　マルチメディア，分散，協調とモバイルシンポジウム2019
- Data Source
  KAKENHI-PROJECT-18H03239
[Presentation] Proof of Human-work実現に向けたCAPTCHAの検討2019
- Author(s)
  寺田崇倫，大木哲史，西垣正勝
- Organizer
  情報処理学会第81回全国大会
- Data Source
  KAKENHI-PROJECT-18K11294
[Presentation] 目に見えるものが真実とは限らない：なりすましとの戦い2019
- Author(s)
  大木哲史
- Organizer
  情報処理学会 IPSJ-ONE
- Invited
- Data Source
  KAKENHI-PROJECT-18K11294
[Presentation] Efficient Spoofing Attack Detection against Unknown Sample using End-to-End Anomaly Detection2019
- Author(s)
  Tetsushi Ohki, Vishu Gupta, Masakatsu Nishigaki
- Organizer
  2019 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K11294
[Presentation] 忘れられる権利を満たす生体認証：爪を用いたマイクロ生体認証2018
- Author(s)
  杉本元輝，藤田真浩，眞野勇人，大木哲史，西垣正勝
- Organizer
  情報処理学会第32回セキュリティ心理学とトラスト研究発表会
- Data Source
  KAKENHI-PROJECT-18H03239
[Presentation] 生体認証に対するなりすまし攻撃とその対策2018
- Author(s)
  大木哲史
- Organizer
  情報処理学会音声言語情報処理研究会
- Invited
- Data Source
  KAKENHI-PROJECT-18K11294
[Presentation] 話者照合システムの脆弱性とウルフなりすまし攻撃2018
- Author(s)
  大木哲史
- Organizer
  日本音響学会秋季研究発表会
- Invited
- Data Source
  KAKENHI-PROJECT-18K11294
[Presentation] 使い捨て可能な生体認証の提案-爪の模様を用いたマイクロ生体認証-2018
- Author(s)
  杉本元輝，塩見祐哉，藤田真浩，眞野勇人，大木哲史，西垣正勝
- Organizer
  バイオメトリクスと認識・認証シンポジウム2018 (ポスター発表）
- Data Source
  KAKENHI-PROJECT-18H03239
[Presentation] Disposable Biometric Authentication Micro Biometric Authentication Using Fingernail Textures2018
- Author(s)
  Genki Sugimoto, Yuto Mano, Tetsushi Ohki, Masakatsu Nishigaki
- Organizer
  Proceedings of 2018 International Conference on Biomedical Imaging, Signal Processing
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H03239

1. NISHIGAKI Masakatsu (20283335)

# of Collaborated Projects: 5 results

# of Collaborated Products: 52 results
2. 大塚玲 (50415650)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
3. 伊藤康一 (70400299)

# of Collaborated Projects: 2 results

# of Collaborated Products: 13 results
4. Yamagishi Junichi (70709352)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. Koizumi Yuki (50552072)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. Mori Tatsuya (60708551)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
7. 栗原淳 (10577399)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 青木孝文 (80241529)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results

Ohki Tetsushi 大木 哲史

OHKI Tetsushi 大木 哲史

Research Projects

Research Products

Co-Researchers

物理世界の常識を利用したユーザ認証：利便性と安全性を両立する革新的認証技術

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Tri-fair Biometrics: Realizing a fair biometric authentication system that satisfies the three requirements of biometricsPrincipal Investigator

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Systematization of Secure Biometric Techniques based on Learning Representations

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Development of real-world oriented authentication technologies

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Secure Computing Platform in the AI Era

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Safe and secure speech information processing based on liveness detection and ASVspoof challenge

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Research on Unspoofable Biometrics to detect unknown presentation attacksPrincipal Investigator

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A quantum approach for biometric authentication: micro biometric authentication technology to break into a new physical aspect of biometric information.

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Research Institution

[Journal Article] Enhancing Remote Adversarial Patch Attacks on Face Detectors with Tiling and Scaling2024

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[Journal Article] Multibiometrics Using a Single Face Image2024

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[Journal Article] MagSerea: Fingerprinting Magnetic Field of Specified Area with Wearable Sensors2024

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[Journal Article] Multi-observed Authentication: A Secure and Usable Authentication/Authorization Based on Multi-point Observation of Physical Events2024

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Data Source

[Journal Article] LabellessFace: Fair Metric Learning for Face Recognition without Attribute Labels2024

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DOI

Ohki Tetsushi 大木哲史

OHKI Tetsushi 大木哲史