Prof. Hiroyuki Yoshimura Profile

Prof. Hiroyuki Yoshimura

Associate Professor at Chiba Univ

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Author

Publications (5)

SPIE Journal Paper | 19 January 2018

Improved accuracy in Wigner–Ville distribution-based sizing of rod-shaped particle using flip and replication technique

Porntip Chuamchaitrakool, Joewono Widjaja, Hiroyuki Yoshimura

OE, Vol. 57, Issue 01, 014105, (January 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.1.014105

KEYWORDS: Holograms, Particles, Image sensors, Particle sizing, 3D image reconstruction, Optical simulations, Optical engineering, Signal analyzers, Holography, Image processing

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Proceedings Article | 2 June 2014 Paper

Holographic particle size extraction by using Wigner-Ville distribution

Porntip Chuamchaitrakool, Joewono Widjaja, Hiroyuki Yoshimura

Proceedings Volume 9234, 923414 (2014) https://doi.org/10.1117/12.2054226

KEYWORDS: Holograms, Holography, Particles, Modulation, 3D image reconstruction, Charge-coupled devices, CCD image sensors, MATLAB, Optical simulations, Digital holography

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Proceedings Article | 2 June 2014 Paper

Fingerprint templates generated by the fractional Fourier, cosine and sine transforms and comparison of recognition accuracy and robustness

Hiroyuki Yoshimura

Proceedings Volume 9234, 92340B (2014) https://doi.org/10.1117/12.2053959

KEYWORDS: Transform theory, Fingerprint recognition, Advanced distributed simulations, Photovoltaics, Fourier transforms, Databases, Palladium, Fractional fourier transform, Error analysis, Biometrics

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Proceedings Article | 1 September 2009 Paper

Optical spatial frequency correlation system for biometric authentication

Hiroyuki Yoshimura, Kazuyuki Takeishi

Proceedings Volume 7442, 74420N (2009) https://doi.org/10.1117/12.825899

KEYWORDS: Correlation function, Fingerprint recognition, Biometrics, Statistical analysis, Optical components, Spatial frequencies, Optical signal processing, Optical correlators, Biological research, Image analysis

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Proceedings Article | 19 May 1999 Paper

Heating characteristics of coaxial-slot antennas for minimally invasive microwave thermal therapy

Koichi Ito, Hiroyuki Yoshimura, Kazuyuki Saito, Lira Hamada

Proceedings Volume 3594, (1999) https://doi.org/10.1117/12.348747

KEYWORDS: Antennas, Tissues, Microwave radiation, Synthetic aperture radar, Tumors, Temperature metrology, Cancer, Liver, Oncology, Finite-difference time-domain method

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