Prof. Katsuhiko Kobayashi Profile

Prof. Katsuhiko Kobayashi

Professor at Teikyo Univ

SPIE Involvement:

Author

Proceedings Article | 5 March 2007 Paper

New phase-retrieval algorithm for reconstructing point spread function in human eyes

Katsuhiko Kobayashi, Yukio Iida, Kazuhiko Ohnuma, Toru Noda

Proceedings Volume 6426, 64260P (2007) https://doi.org/10.1117/12.698853

KEYWORDS: Point spread functions, Phase transfer function, Modulation transfer functions, Optical transfer functions, Eye, Algorithm development, Spatial frequencies, Reconstruction algorithms, Computer simulations, Eye models

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Proceedings Article | 18 April 2005 Paper

Ex-vivo crystalline lens optical quality measurements during simulated accommodation using a single pass PSF measurement system

David Borja, Gaku Takeuchi, Katsuhiko Kobayashi, Fabrice Manns, Jean Marie Parel

Proceedings Volume 5688, (2005) https://doi.org/10.1117/12.600618

KEYWORDS: Modulation transfer functions, Point spread functions, Crystals, Quality measurement, Sclera, Relays, Optical testing, Spatial frequencies, Crystal optics, Optical transfer functions

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Proceedings Article | 13 July 2004 Paper

Simulated retinal images of Landolt rings in human eyes including asymmetric aberrations on the point spread function analysis system

Masahiro Shibutani, Katsuhiko Kobayashi, Gaku Takeuchi, Yumi Kubotera, Kazuhiko Ohnuma, Kazuno Negishi, Kenji Ohno, Tohru Noda

Proceedings Volume 5314, (2004) https://doi.org/10.1117/12.527931

KEYWORDS: Point spread functions, Modulation transfer functions, Phase transfer function, Eye, Image segmentation, Optical transfer functions, Ophthalmology, Light sources, Charge-coupled devices, Retina

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SPIE Journal Paper | 1 January 2004 Open Access

Calculation of ocular single-pass modulation transfer function and retinal image simulation from measurements of the polarized double-pass ocular point spread function

Katsuhiko Kobayashi, Masahiro Shibutani, Gaku Takeuchi, Kazuhiko Ohnuma, Yoichi Miyake, Kazuno Negishi, Kenji Ohno, Tohru Noda

JBO, Vol. 9, Issue 01, (January 2004) https://doi.org/10.1117/12.10.1117/1.1627777

KEYWORDS: Modulation transfer functions, Point spread functions, Retina, Eye, CCD cameras, Light sources, Interferometry, Prisms, Visualization, Fourier transforms

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Proceedings Article | 14 July 2003 Paper

Measurement of the single-pass modulation transfer function and simulation of the retinal image of the human eye with a newly developed point spread function analysis system

Katsuhiko Kobayashi, Masahiro Shibutani, Gaku Takeuchi, Kazuhiko Ohonuma, Yoichi Miyake, Kazuno Negishi, Kenji Ohno, Tohru Noda

Proceedings Volume 4951, (2003) https://doi.org/10.1117/12.477950

KEYWORDS: Modulation transfer functions, Point spread functions, Visualization, Eye, Remote sensing, Lithium, Holmium, Photovoltaics, Convolution, Infrared imaging

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