Kenta Takahashi

74 papers A* 1B 10C 6Misc 1Journal 27Unranked 29
YearRankTypeTitle / Venue / Authors
2026 J jnl
Efficient Accuracy Evaluation Methods for Lattice-Based Fuzzy Extractors and Fuzzy Signatures.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Wataru Nakamura, Kenta Takahashi
2025 B conf
(Quasi-)Linear-Time Algorithms for the Closest Vector Problem in (Semi-)Equiangular Lattices.
ISIT
Kenta Takahashi, Wanaru Nakamura
2025 C conf
Comparative Evaluation of Lattices for Fuzzy Extractors and Fuzzy Signatures.
ISC
Wataru Nakamura, Yusei Suzuki, Masakazu Fujio, Kenta Takahashi
2025 C conf
Converting Fuzzy Signatures into Anonymizable Signatures using Zero-Knowledge Proof.
ICBC
Ken Naganuma, Shingo Akata, Masayuki Yoshino, Noboru Kunihiro, Non Kawana, Wataru Nakamura, Kenta Takahashi, Takayuki Suzuki
2025 — conf
Design and Evaluation of User Interface for Server-Aided In-Brain Signature - for Server-Aided In-Brain Signature.
HCI (63)
Ryunosuke Harada, Wataru Hatakeyama, Sena Enomoto, Kakeru Hasegawa, Toi Tomita, Kenta Takahashi, Wakaha Ogata, Masakatsu Nishigaki
2025 J jnl
How to Use Your Brain for Cryptography Without Trustworthy Machines.
IEEE Access
Wakaha Ogata, Toi Tomita, Kenta Takahashi, Masakatsu Nishigaki
2025 J jnl
How to use your brain for cryptography without trustworthy machines.
IACR Cryptol. ePrint Arch.
Wakaha Ogata, Toi Tomita, Kenta Takahashi, Masakatsu Nishigaki
2025 — conf
Improving Periocular Recognition Accuracy: Opposite Side Learning Suppression and Vertical Image Inversion.
VISIGRAPP (2): VISAPP
Masakazu Fujio, Yosuke Kaga, Kenta Takahashi
2025 J jnl
Sample Recoverable Fuzzy Extractors.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Wataru Nakamura, Kenta Takahashi
2024 J jnl
A Linear-Time Algorithm for the Closest Vector Problem of Triangular Lattices.
CoRR
Kenta Takahashi, Wataru Nakamura
2024 — conf
A Quasilinear-Time CVP Algorithm for Triangular Lattice Based Fuzzy Extractors and Fuzzy Signatures.
APSIPA
Kenta Takahashi, Wataru Nakamura
2024 — conf
Bio-SSI: Self-Sovereign Identity Bound to Biometrics.
CyberSciTech
Yoshiko Yasumura, Masakazu Fujio, Wataru Nakamura, Kenta Takahashi
2024 — conf
Egg-Laying Robot to Enhance Mind Perception of Children and Parents.
HRI (Companion)
Takuto Akiyoshi, Kota Nieda, Yusaku Takahama, Kenta Takahashi, Kaito Nakamura, Taishi Sawabe
2024 — conf
How to Efficiently Determine the Lattice Scale for Fuzzy Extractors and Fuzzy Signatures.
CANDAR
Wataru Nakamura, Kenta Takahashi
2024 J jnl
IPFed: Identity protected federated learning for user authentication.
CoRR
Yosuke Kaga, Yusei Suzuki, Kenta Takahashi
2023 — conf
A Biometric Signature Scheme with Template Protection and Authenticated Sample Recoverability.
APSIPA ASC
Wataru Nakamura, Kenta Takahashi
2023 — conf
Eye Biometrics Combined with Periocular and Iris Recognition Using CNN.
APSIPA ASC
Taito Tonosaki, Shokei Kawakami, Koichi Ito, Takafumi Aoki, Yoshiko Yasumura, Masakazu Fujio, Yosuke Kaga, Kenta Takahashi
2023 C conf
Finger Region Estimation by Boundary Curve Modeling and Bezier Curve Learning.
ICPRAM
Masakazu Fujio, Keiichiro Nakazaki, Naoto Miura, Yosuke Kaga, Kenta Takahashi
2023 — conf
IPFed: Identity protected federated learning for user authentication.
APSIPA ASC
Yosuke Kaga, Yusei Suzuki, Kenta Takahashi
2022 J jnl
HandSegNet: Hand segmentation using convolutional neural network for contactless palmprint recognition.
IET Biom.
Koichi Ito, Yusei Suzuki, Hiroya Kawai, Takafumi Aoki, Masakazu Fujio, Yosuke Kaga, Kenta Takahashi
2021 A* conf
Revisiting Fuzzy Signatures: Towards a More Risk-Free Cryptographic Authentication System based on Biometrics.
CCS
Shuichi Katsumata, Takahiro Matsuda, Wataru Nakamura, Kazuma Ohara, Kenta Takahashi
2021 J jnl
Revisiting Fuzzy Signatures: Towards a More Risk-Free Cryptographic Authentication System based on Biometrics.
CoRR
Shuichi Katsumata, Takahiro Matsuda, Wataru Nakamura, Kazuma Ohara, Kenta Takahashi
2021 B conf
Template Protected Authentication based on Location History and b-Bit MinHash.
ARES
Masakazu Fujio, Kenta Takahashi, Yosuke Kaga, Wataru Nakamura, Yoshiko Yasumura, Rie Shigetomi Yamaguchi
2021 — conf
Template Protected Fingerprint Verification using Set Similarity-based Minutia Cylinder Code and MinHash.
CANDAR
Yoshiko Yasumura, Masakazu Fujio, Wataru Nakamura, Yosuke Kaga, Kenta Takahashi
2021 J jnl
Toward Evaluating Re-identification Risks in the Local Privacy Model.
Trans. Data Priv.
Takao Murakami, Kenta Takahashi
2020 — conf
Communication Protocol Between Humans and Bank Server Secure Against Man-in-the-Browser Attacks.
IHSI
Koki Mukaihira, Yasuyoshi Jinno, Takashi Tsuchiya, Tetsushi Ohki, Kenta Takahashi, Wakaha Ogata, Masakatsu Nishigaki
2020 — conf
New Secret Key Management Technology for Blockchains from Biometrics Fuzzy Signature.
AsiaJCIS
Ken Naganuma, Takayuki Suzuki, Masayuki Yoshino, Kenta Takahashi, Yosuke Kaga, Noboru Kunihiro
2020 J jnl
Toward Evaluating Re-identification Risks in the Local Privacy Model.
CoRR
Takao Murakami, Kenta Takahashi
2019 J jnl
Cancelable Permutation-Based Indexing for Secure and Efficient Biometric Identification.
IEEE Access
Takao Murakami, Ryo Fujita, Tetsushi Ohki, Yosuke Kaga, Masakazu Fujio, Kenta Takahashi
2019 J jnl
Cancelable indexing based on low-rank approximation of correlation-invariant random filtering for fast and secure biometric identification.
Pattern Recognit. Lett.
Takao Murakami, Tetsushi Ohki, Yosuke Kaga, Masakazu Fujio, Kenta Takahashi
2019 — conf
Hand Segmentation for Contactless Palmprint Recognition.
ACPR (1)
Yusei Suzuki, Hiroya Kawai, Koichi Ito, Takafumi Aoki, Masakazu Fujio, Yosuke Kaga, Kenta Takahashi
2019 — conf
Improved Security Evaluation Techniques for Imperfect Randomness from Arbitrary Distributions.
Public Key Cryptography (1)
Takahiro Matsuda, Kenta Takahashi, Takao Murakami, Goichiro Hanaoka
2019 J jnl
Improved Security Evaluation Techniques for Imperfect Randomness from Arbitrary Distributions.
IACR Cryptol. ePrint Arch.
Takahiro Matsuda, Kenta Takahashi, Takao Murakami, Goichiro Hanaoka
2019 B conf
PDH : Probabilistic Deep Hashing Based on Map Estimation of Hamming Distance.
ICIP
Yosuke Kaga, Masakazu Fujio, Kenta Takahashi, Tetsushi Ohki, Masakatsu Nishigaki
2019 J jnl
PDH : Probabilistic deep hashing based on MAP estimation of Hamming distance.
CoRR
Yosuke Kaga, Masakazu Fujio, Kenta Takahashi, Tetsushi Ohki, Masakatsu Nishigaki
2019 — conf
Security and Efficiency of Biometric Template Protection for Identification.
APSIPA
Wataru Nakamura, Yosuke Kaga, Masakazu Fujio, Kenta Takahashi
2019 J jnl
Signature schemes with a fuzzy private key.
Int. J. Inf. Sec.
Kenta Takahashi, Takahiro Matsuda, Takao Murakami, Goichiro Hanaoka, Masakatsu Nishigaki
2018 — conf
A Generalization of the Theory of Biometric System Entropy.
APSIPA
Kenta Takahashi, Takao Murakami
2018 J jnl
Cancelable Indexing Based on Low-rank Approximation of Correlation-invariant Random Filtering for Fast and Secure Biometric Identification.
CoRR
Takao Murakami, Tetsushi Ohki, Yosuke Kaga, Masakazu Fujio, Kenta Takahashi
2018 — conf
Face/Fingerphoto Spoof Detection under Noisy Conditions by using Deep Convolutional Neural Network.
BIOSIGNALS
Masakazu Fujio, Yosuke Kaga, Takao Murakami, Tetsushi Ohki, Kenta Takahashi
2018 — conf
On the Security of Linear Sketch Schemes against Recovering Attacks.
ICETE (2)
Takahiro Matsuda, Kenta Takahashi, Goichiro Hanaoka
2017 C conf
A Secure and Practical Signature Scheme for Blockchain Based on Biometrics.
ISPEC
Yosuke Kaga, Masakazu Fujio, Ken Naganuma, Kenta Takahashi, Takao Murakami, Tetsushi Ohki, Masakatsu Nishigaki
2017 J jnl
Modality Selection Attacks and Modality Restriction in Likelihood-Ratio Based Biometric Score Fusion.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Takao Murakami, Yosuke Kaga, Kenta Takahashi
2017 J jnl
Signature Schemes with a Fuzzy Private Key.
IACR Cryptol. ePrint Arch.
Kenta Takahashi, Takahiro Matsuda, Takao Murakami, Goichiro Hanaoka, Masakatsu Nishigaki
2016 — conf
A Micro Biometric Authentication Mechanism Considering Minute Patterns of the Human Body: A Proposal and the First Attempt.
NBiS
Masahiro Fujita, Yuto Mano, Takuya Kaneko, Kenta Takahashi, Masakatsu Nishigaki
2016 B conf
Effective color correction pipeline for a noisy image.
ICIP
Kenta Takahashi, Yusuke Monno, Masayuki Tanaka, Masatoshi Okutomi
2016 — conf
Evaluation method of fabrics by visual and tactile texture information using MEMS combo sensor.
IEEE SENSORS
Kenta Takahashi, Takashi Abe, Masayuki Sohgawa, Masanori Okuyama, Haruo Noma
2016 B conf
Fuzzy Signatures: Relaxing Requirements and a New Construction.
ACNS
Takahiro Matsuda, Kenta Takahashi, Takao Murakami, Goichiro Hanaoka
2016 J jnl
Information-Theoretic Performance Evaluation of Multibiometric Fusion under Modality Selection Attacks.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Takao Murakami, Yosuke Kaga, Kenta Takahashi
2016 B conf
On restricting modalities in likelihood-ratio based biometric score fusion.
ICPR
Takao Murakami, Yosuke Kaga, Kenta Takahashi
2016 J jnl
Optimal sequential fusion for multibiometric cryptosystems.
Inf. Fusion
Takao Murakami, Tetsushi Ohki, Kenta Takahashi
2016 — conf
Secure Communication Protocol Between a Human and a Bank Server for Preventing Man-in-the-Browser Attacks.
HCI (20)
Takashi Tsuchiya, Masahiro Fujita, Kenta Takahashi, Takehisa Kato, Fumihiko Magata, Yoshimi Teshigawara, Ryôichi Sasaki, Masakatsu Nishigaki
2015 B conf
A Signature Scheme with a Fuzzy Private Key.
ACNS
Kenta Takahashi, Takahiro Matsuda, Takao Murakami, Goichiro Hanaoka, Masakatsu Nishigaki
2015 J jnl
Development of Microwave Kinetic Inductance Detector for Cosmological Observations.
IEICE Trans. Electron.
Kenichi Karatsu, Satoru Mima, Shugo Oguri, Jihoon Choi, R. M. Thushara Damayanthi, Agnes Dominjon, Noboru Furukawa, Hirokazu Ishino, Hikaru Ishitsuka, Atsuko Kibayashi, Yoshiaki Kibe, Hitoshi Kiuchi, Kensuke Koga, Masato Naruse, Tom Nitta, Takashi Noguchi, Takashi Okada, Chiko Otani, Shigeyuki Sekiguchi, Yutaro Sekimoto, Masakazu Sekine, Shibo Shu, Osamu Tajima, Kenta Takahashi, Nozomu Tomita, Hiroki Watanabe, Mitsuhiro Yoshida
2015 — conf
Information-theoretic performance evaluation of likelihood-ratio based biometric score fusion under modality selection attacks.
BTAS
Takao Murakami, Kenta Takahashi
2014 J jnl
A General Framework and Algorithms for Score Level Indexing and Fusion in Biometric Identification.
IEICE Trans. Inf. Syst.
Takao Murakami, Kenta Takahashi, Kanta Matsuura
2014 J jnl
A measure of information gained through biometric systems.
Image Vis. Comput.
Kenta Takahashi, Takao Murakami
2014 J jnl
Toward Optimal Fusion Algorithms With Security Against Wolves and Lambs in Biometrics.
IEEE Trans. Inf. Forensics Secur.
Takao Murakami, Kenta Takahashi, Kanta Matsuura
2013 J jnl
Probabilistic enhancement of approximate indexing in metric spaces.
Inf. Syst.
Takao Murakami, Kenta Takahashi, Susumu Serita, Yasuhiro Fujii
2012 — conf
Evaluation of security for biometric guessing attacks in biometric cryptosystem using fuzzy commitment scheme.
BIOSIG
Seira Hidano, Tetsushi Ohki, Kenta Takahashi
2012 — conf
Towards optimal countermeasures against wolves and lambs in biometrics.
BTAS
Takao Murakami, Kenta Takahashi, Kanta Matsuura
2012 J jnl
Unconditionally provably secure cancellable biometrics based on a quotient polynomial ring.
IET Biom.
Kenta Takahashi, Ken Naganuma
2011 J jnl
Cancelable Biometrics with Provable Security and Its Application to Fingerprint Verification.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kenta Takahashi, Shinji Hirata
2011 B conf
Fast and accurate biometric identification using score level indexing and fusion.
IJCB
Takao Murakami, Kenta Takahashi
2011 — conf
Parameter management schemes for cancelable biometrics.
CIBIM
Kenta Takahashi, Shinji Hirata
2011 B conf
Unconditionally provably secure cancelable biometrics based on a quotient polynomial ring.
IJCB
Kenta Takahashi
2011 B conf
Versatile probability-based indexing for approximate similarity search.
SISAP
Takao Murakami, Kenta Takahashi, Susumu Serita, Yasuhiro Fujii
2010 C conf
A metric of identification performance of biometrics based on information content.
ICARCV
Seira Hidano, Tetsushi Ohki, Naohisa Komatsu, Kenta Takahashi
2009 Misc conf
A Proposal of Efficient Remote Biometric Authentication Protocol.
IWSEC
Taiki Sakashita, Yoichi Shibata, Takumi Yamamoto, Kenta Takahashi, Wakaha Ogata, Hiroaki Kikuchi, Masakatsu Nishigaki
2009 — conf
Accuracy improvement with high convenience in biometric identification using multihypothesis sequential probability ratio test.
WIFS
Takao Murakami, Kenta Takahashi
2009 — conf
Cancelable Biometrics with Perfect Secrecy for Correlation-Based Matching.
ICB
Shinji Hirata, Kenta Takahashi
2007 — conf
A study on biometric key generation from fingerprints: Fingerprint-key generation from stable feature value.
Security and Management
Yoichi Shibata, Masahiro Mimura, Kenta Takahashi, Masakatsu Nishigaki
2006 — conf
Mechanism-Based PKI - A Real-Time Key Generation from Fingerprints.
Security and Management
Yoichi Shibata, Masahiro Mimura, Kenta Takahashi, Masakatsu Nishigaki
2004 C conf
A DoS-Vulnerability Analysis of L2TP-VPN.
CIT
Atsushi Kara, Takahiro Suzuki, Kenta Takahashi, Masayuki Yoshikaw