Dr. Hiroyuki Fujii Profile

Dr. Hiroyuki Fujii

at Hokkaido Univ

SPIE Involvement:

Author

Publications (5)

Proceedings Article | 11 July 2019 Paper

Time-domain diffuse optical tomography with lp sparsity regularization for thyroid cancer imaging

Shinpei Okawa, Tetsuya Mimura, Hiroyuki Fujii, Hiroshi Kawaguchi, Yukari Tanikawa, Manabu Machida, Eiji Okada, Yoko Hoshi

Proceedings Volume 11074, 1107407 (2019) https://doi.org/10.1117/12.2526886

KEYWORDS: Image restoration, Cancer, Optical properties, Reconstruction algorithms, Algorithm development, Neck, Optical fibers, Diffuse optical tomography, Numerical simulations, Finite element methods

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Proceedings Article | 9 December 2015 Paper

Numerical study of light propagation in agricultural products for non-destructive assessment of food quality

Kiyohito Hattori, Hiroyuki Fujii, Yuki Tatekura, Kazumichi Kobayashi, Masao Watanabe

Proceedings Volume 9792, 97921A (2015) https://doi.org/10.1117/12.2204799

KEYWORDS: Transmittance, Optical properties, Agriculture, Nondestructive evaluation, Light scattering, Scattering, Radiative transfer, Absorption, Reflectivity, Numerical analysis, Light, Near infrared spectroscopy

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Proceedings Article | 9 December 2015 Paper

A coupling model of the radiative transport equation for calculating photon migration in biological tissue

Hiroyuki Fujii, Shinpei Okawa, Yukio Yamada, Yoko Hoshi, Masao Watanabe

Proceedings Volume 9792, 979214 (2015) https://doi.org/10.1117/12.2203638

KEYWORDS: Biomedical optics, Tissue optics, Optical imaging, Computed tomography, Algorithm development, Diffuse optical tomography, Numerical analysis, Diffusion, Scattering, Optical properties, Tissues, Picosecond phenomena, Optical computing

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Proceedings Article | 10 March 2015 Paper

Numerical modeling of photon migration in the cerebral cortex of the living rat using the radiative transport equation

Hiroyuki Fujii, Shinpei Okawa, Ken Nadamoto, Eiji Okada, Yukio Yamada, Yoko Hoshi, Masao Watanabe

Proceedings Volume 9333, 933313 (2015) https://doi.org/10.1117/12.2079265

KEYWORDS: Cerebral cortex, Tissues, Optical properties, Scattering, Monte Carlo methods, Picosecond phenomena, Biomedical optics, Light scattering, Numerical modeling, Numerical analysis

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Proceedings Article | 25 March 2013 Paper

Hybrid model for photon propagation in random media based on the radiative transfer and diffusion equations

H. Fujii, Y. Hoshi, S. Okawa, T. Kosuge, S. Kohno

Proceedings Volume 8578, 857835 (2013) https://doi.org/10.1117/12.2019914

KEYWORDS: Diffusion, Scattering, Radiative transfer, Refractive index, Solids, Interfaces, Diffuse optical tomography, Tissues, Light scattering, Reflectivity

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