Prof. Tsutomu Matsumoto Profile

Prof. Tsutomu Matsumoto

at Yokohama National Univ

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Author

Publications (7)

Proceedings Article | 12 February 2010 Paper

An artifact-metrics which utilizes laser speckle patterns for plastic ID card surface

Manabu Yamakoshi, Xiaoying Rong, Tsutomu Matsumoto

Proceedings Volume 7618, 76180B (2010) https://doi.org/10.1117/12.842237

KEYWORDS: Speckle pattern, Cameras, Manufacturing, CMOS cameras, Data centers, Computer security, Magnetism, Security printing, Biometrics, Speckle

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Proceedings Article | 18 March 2008 Paper

Individuality evaluation for paper based artifact-metrics using transmitted light image

Manabu Yamakoshi, Junichi Tanaka, Makoto Furuie, Masashi Hirabayashi, Tsutomu Matsumoto

Proceedings Volume 6819, 68190H (2008) https://doi.org/10.1117/12.765035

KEYWORDS: Image transmission, Image segmentation, Image resolution, Statistical analysis, Biometrics, Error analysis, Resistance, Manufacturing, Scanners, Magnetism

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Proceedings Article | 29 April 2002 Paper

Scheme of standard MIDI files steganography and its evaluation

Daisuke Inoue, Tsutomu Matsumoto

Proceedings Volume 4675, (2002) https://doi.org/10.1117/12.465276

KEYWORDS: Single mode fibers, Steganography, Data hiding, Data storage, Computing systems, Internet, Human-machine interfaces, Standards development, Electronics, Manufacturing

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Proceedings Article | 19 April 2002 Paper

Impact of artificial "gummy" fingers on fingerprint systems

Tsutomu Matsumoto, Hiroyuki Matsumoto, Koji Yamada, Satoshi Hoshino

Proceedings Volume 4677, (2002) https://doi.org/10.1117/12.462719

KEYWORDS: Biometrics, Sensors, Silicon, Information security, Computer security, Scanners, Patents, Glasses, Telecommunications, Solids

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Proceedings Article | 7 April 2000 Paper

Evaluating security of a clone preventive techinque using physical randomness and cryptography

Hiroyuki Matsumoto, Tsutomu Matsumoto

Proceedings Volume 3973, (2000) https://doi.org/10.1117/12.382182

KEYWORDS: Stochastic processes, Sensors, Computer security, Data modeling, Cryptography, Computer programming, Magnetism, Signal detection, Signal processing, Digital recording

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Proceedings Article | 7 April 2000 Paper

CPLgram: an advanced machine-readable OVD that is obtained by combining diffraction gratings and liquid crystals

Itsuo Takeuchi, Kenji Yamamotoya, Tsugutaka Sugahara, Hidekazu Hoshino, Hiroyuki Matsumoto, Tsutomu Matsumoto

Proceedings Volume 3973, (2000) https://doi.org/10.1117/12.382193

KEYWORDS: Diffraction, Liquid crystals, Diffraction gratings, Circular polarizers, Inspection, Holograms, Sensors, Eye, Polarization, Molecules

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Proceedings Article | 1 April 1998 Paper

Clone-preventive technique that features magnetic microfibers and cryptography

Hiroyuki Matsumoto, Keiichi Suzuki, Tsutomu Matsumoto

Proceedings Volume 3314, (1998) https://doi.org/10.1117/12.304696

KEYWORDS: Sensors, Magnetism, Signal processing, Computer programming, Magnetic sensors, Cryptography, Signal detection, Resistance, Data conversion, Head

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Showing 5 of 7 publications

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