Dr. Tsuyoshi Yamamoto Profile

Dr. Tsuyoshi Yamamoto

at Hitachi America Ltd

SPIE Involvement:

Author

Publications (9)

Proceedings Article | 15 October 2003 Paper

Effect of fiber arrangement on spatial resolution of near-infrared topographic imaging

Nobuhiro Okui, Takuma Kadoya, Tsuyoshi Yamamoto, Eiji Okada

Proceedings Volume 5138, (2003) https://doi.org/10.1117/12.500394

KEYWORDS: Spatial resolution, Head, Near infrared, Light scattering, Scattering, Monte Carlo methods, Brain, Sensors, Tissue optics, Neuroimaging

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Proceedings Article | 29 July 2003 Paper

Optical fiber arrangement of optical topography for spatial resolution improvement

Tsuyoshi Yamamoto, Eiji Okada, Fumio Kawaguchi, Atsushi Maki, Yukio Yamada, Hideaki Koizumi

Proceedings Volume 4955, (2003) https://doi.org/10.1117/12.478126

KEYWORDS: Optical fibers, Spatial resolution, Brain activation, Absorption, Blood, Absorbance, Brain, Near infrared spectroscopy, Optical arrays, Optical properties

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Proceedings Article | 2 November 2001 Paper

Analysis of light propagation in neonatal head model by finite difference method

Yuichi Fukui, Tsuyoshi Yamamoto, Eiji Okada

Proceedings Volume 4431, (2001) https://doi.org/10.1117/12.447420

KEYWORDS: Finite difference methods, Head, Monte Carlo methods, Optical coherence tomography, Microscopy, Geometrical optics, Brain, Tissues

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Proceedings Article | 29 June 2001 Paper

Noninvasive brain function measurement system: optical topography

Tsuyoshi Yamamoto, Atsushi Maki, Yuichi Yamashita, Yukari Tanikawa, Yukio Yamada, Hideaki Koizumi

Proceedings Volume 4250, (2001) https://doi.org/10.1117/12.434512

KEYWORDS: Monte Carlo methods, Absorption, Brain activation, Brain, Diffusion, Spatial resolution, Light scattering, Light sources, Tissue optics, Optical testing

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Proceedings Article | 4 July 2000 Paper

Development and application of noninvasive optical topography

Tsuyoshi Yamamoto, Atsushi Maki, Yuichi Yamashita, Hiroshi Yoshizawa, Makoto Iwata, Eiju Watanabe, Yukari Tanikawa, Yukio Yamada, Hideaki Koizumi

Proceedings Volume 4082, (2000) https://doi.org/10.1117/12.390538

KEYWORDS: Brain, Tissue optics, Signal detection, Absorption, Light scattering, Brain activation, Cerebral cortex, Visualization, Blood, Imaging systems

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SPIE Journal Paper | 1 January 2000 Open Access

Activation of visual cortex imaged by 24 channel near-infrared spectroscopy

Kazumi Takahashi, S. Ogata, R. Yamamoto, S. Shiotsuka, Atsushi Maki, Yuichi Yamashita, Tsuyoshi Yamamoto, Hideaki Koizumi, H. Hirasawa, M. Igawa, Y. Atsumi

JBO, Vol. 5, Issue 01, (January 2000) https://doi.org/10.1117/12.10.1117/1.429973

KEYWORDS: Near infrared spectroscopy, Visual cortex, Visualization, Hemodynamics, Optical fibers, Brain, Functional imaging, Cerebral cortex, Magnetic resonance imaging, Head

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SPIE Journal Paper | 1 October 1999 Open Access

Higher-order brain function analysis by trans-cranial dynamic near-infrared spectroscopy imaging

Hideaki Koizumi, Yuichi Yamashita, Atsushi Maki, Tsuyoshi Yamamoto, Yoshitoshi Ito, Hiroyuki Itagaki, Richard Kennan

JBO, Vol. 4, Issue 04, (October 1999) https://doi.org/10.1117/12.10.1117/1.429959

KEYWORDS: Brain, Near infrared spectroscopy, Imaging spectroscopy, Spectroscopy, Light scattering, Absorption, Neuroimaging, Functional magnetic resonance imaging, Sensors, Photons

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Proceedings Article | 15 July 1999 Paper

Noninvasive measurement of language function by using optical topography

Tsuyoshi Yamamoto, Yuichi Yamashita, Hiroshi Yoshizawa, Atsushi Maki, Makoto Iwata, Eiju Watanabe, Hideaki Koizumi

Proceedings Volume 3597, (1999) https://doi.org/10.1117/12.356812

KEYWORDS: Brain, Near infrared spectroscopy, Optical fibers, Positron emission tomography, Functional magnetic resonance imaging, Tissue optics, Semiconductor lasers, Biomedical optics, Blood, Hemodynamics

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Proceedings Article | 15 July 1999 Paper

Optical topography

Atsushi Maki, Yuichi Yamashita, Eiju Watanabe, Tsuyoshi Yamamoto, Kyuya Kogure, Fumio Kawaguchi, Hideaki Koizumi

Proceedings Volume 3597, (1999) https://doi.org/10.1117/12.356813

KEYWORDS: Brain, Sensors, Optical fibers, Neuroimaging, Electroencephalography, Near infrared spectroscopy, Hemodynamics, Blood, Functional magnetic resonance imaging, Optical amplifiers

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Showing 5 of 9 publications

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