Takao Murakami

发表

A Secure and Practical Signature Scheme for Blockchain Based on Biometrics

Masakatsu Nishigaki, Masakazu Fujio, Yosuke Kaga, 2017, ISPEC.

A Signature Scheme with a Fuzzy Private Key

Masakatsu Nishigaki, Goichiro Hanaoka, Takahiro Matsuda, 2015, ACNS.

Sequential Indexing and Fusion for Large-Scale Biometric Identification

Kanta Matsuura, Kenta Takahashi, Takao Murakami, 2013 .

Toward Optimal Fusion Algorithms With Security Against Wolves and Lambs in Biometrics

Kanta Matsuura, Kenta Takahashi, Takao Murakami, 2014, IEEE Transactions on Information Forensics and Security.

A General Framework and Algorithms for Score Level Indexing and Fusion in Biometric Identification

Kanta Matsuura, Kenta Takahashi, Takao Murakami, 2014, IEICE Trans. Inf. Syst..

On the Anonymization of Differentially Private Location Obfuscation

Takao Murakami, Yusuke Kawamoto, Takao Murakami, 2018, 2018 International Symposium on Information Theory and Its Applications (ISITA).

Model Inversion Attacks for Online Prediction Systems: Without Knowledge of Non-Sensitive Attributes

Goichiro Hanaoka, Seira Hidano, Shinsaku Kiyomoto, 2018, IEICE Trans. Inf. Syst..

Utility-Optimized Local Differential Privacy Mechanisms for Distribution Estimation

Takao Murakami, Yusuke Kawamoto, Takao Murakami, 2018, USENIX Security Symposium.

Accuracy improvement with high convenience in biometric identification using multihypothesis sequential probability ratio test

Kenta Takahashi, Takao Murakami, 2009, 2009 First IEEE International Workshop on Information Forensics and Security (WIFS).

Fast and accurate biometric identification using score level indexing and fusion

Kenta Takahashi, Takao Murakami, Takao Murakami, 2011, 2011 International Joint Conference on Biometrics (IJCB).

Localization Attacks Using Matrix and Tensor Factorization

Hajime Watanabe, Takao Murakami, Takao Murakami, 2016, IEEE Transactions on Information Forensics and Security.

Information-Theoretic Performance Evaluation of Multibiometric Fusion under Modality Selection Attacks

Yosuke Kaga, Kenta Takahashi, Takao Murakami, 2016, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Modality Selection Attacks and Modality Restriction in Likelihood-Ratio Based Biometric Score Fusion

Yosuke Kaga, Kenta Takahashi, Takao Murakami, 2017, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

Expectation-Maximization Tensor Factorization for Practical Location Privacy Attacks

Takao Murakami, Takao Murakami, 2017, Proc. Priv. Enhancing Technol..

Cancelable Indexing Based on Low-rank Approximation of Correlation-invariant Random Filtering for Fast and Secure Biometric Identification

Masakazu Fujio, Yosuke Kaga, Kenta Takahashi, 2018, Pattern Recognit. Lett..

Probabilistic enhancement of approximate indexing in metric spaces

Susumu Serita, Kenta Takahashi, Takao Murakami, 2013, Inf. Syst..

Versatile probability-based indexing for approximate similarity search

Susumu Serita, Kenta Takahashi, Takao Murakami, 2011, SISAP.

How to Handle Excessively Anonymized Datasets

Hiroshi Nakagawa, Chiemi Watanabe, Yuji Yamaoka, 2018, J. Inf. Process..

A Succinct Model for Re-identification of Mobility Traces Based on Small Training Data

Takao Murakami, Takao Murakami, 2018, 2018 International Symposium on Information Theory and Its Applications (ISITA).

Japanese vowel recognition based on structural representation of speech

Keikichi Hirose, Nobuaki Minematsu, Takao Murakami, 2005, INTERSPEECH.

Optimal sequential fusion for multibiometric cryptosystems

Kenta Takahashi, Takao Murakami, Tetsushi Ohki, 2016, Inf. Fusion.

Information-theoretic performance evaluation of likelihood-ratio based biometric score fusion under modality selection attacks

Kenta Takahashi, Takao Murakami, 2015, 2015 IEEE 7th International Conference on Biometrics Theory, Applications and Systems (BTAS).

Improved Security Evaluation Techniques for Imperfect Randomness from Arbitrary Distributions

Goichiro Hanaoka, Takahiro Matsuda, Kenta Takahashi, 2019, IACR Cryptol. ePrint Arch..

On restricting modalities in likelihood-ratio based biometric score fusion

Yosuke Kaga, Kenta Takahashi, Takao Murakami, 2016, 2016 23rd International Conference on Pattern Recognition (ICPR).

Signature schemes with a fuzzy private key

Masakatsu Nishigaki, Goichiro Hanaoka, Takahiro Matsuda, 2019, International Journal of Information Security.

Towards optimal countermeasures against wolves and lambs in biometrics

Kanta Matsuura, Kenta Takahashi, Takao Murakami, 2012, 2012 IEEE Fifth International Conference on Biometrics: Theory, Applications and Systems (BTAS).

Face/Fingerphoto Spoof Detection under Noisy Conditions by using Deep Convolutional Neural Network

Masakazu Fujio, Yosuke Kaga, Kenta Takahashi, 2018, BIOSIGNALS.

Optimal Sequential Fusion for Multibiometric

Kenta Takahashi, Takao Murakami, Tetsushi Ohki, 2016 .

Restricted Local Differential Privacy for Distribution Estimation with High Data Utility pdf

Takao Murakami, Yusuke Kawamoto, 2018, ArXiv.

Fuzzy Signatures: Relaxing Requirements and a New Construction

Goichiro Hanaoka, Takahiro Matsuda, Kenta Takahashi, 2016, ACNS.

Group Sparsity Tensor Factorization for Re-Identification of Open Mobility Traces

Hideitsu Hino, Takao Murakami, Atsunori Kanemura, 2017, IEEE Transactions on Information Forensics and Security.

Differentially Private Obfuscation Mechanisms for Hiding Probability Distributions pdf

Takao Murakami, Yusuke Kawamoto, 2019, ESORICS.

Cancelable Permutation-Based Indexing for Secure and Efficient Biometric Identification

Masakazu Fujio, Yosuke Kaga, Kenta Takahashi, 2019, IEEE Access.

Toward Distribution Estimation under Local Differential Privacy with Small Samples

Jun Sakuma, Hideitsu Hino, Takao Murakami, 2018, Proc. Priv. Enhancing Technol..

Location prediction attacks using tensor factorization and optimal defenses

Hajime Watanabe, Takao Murakami, Takao Murakami, 2014, 2014 IEEE International Conference on Big Data (Big Data).

Model Inversion Attacks for Prediction Systems: Without Knowledge of Non-Sensitive Attributes

Goichiro Hanaoka, Seira Hidano, Shinsaku Kiyomoto, 2017, 2017 15th Annual Conference on Privacy, Security and Trust (PST).

A Generalization of the Theory of Biometric System Entropy

Kenta Takahashi, Takao Murakami, Takao Murakami, 2018, 2018 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC).

A measure of information gained through biometric systems

Kenta Takahashi, Takao Murakami, Takao Murakami, 2014, Image Vis. Comput..

Group Sparsity Tensor Factorization for De-anonymization of Mobility Traces

Hideitsu Hino, Takao Murakami, Atsunori Kanemura, 2015, 2015 IEEE Trustcom/BigDataSE/ISPA.

A Metric of Information Gained Through Biometric Systems