Prof. Ryoichi Horisaki Profile

Prof. Ryoichi Horisaki

at Univ of Tokyo

SPIE Involvement:

Conference Program Committee | Author

Publications (17)

SPIE Journal Paper | 3 October 2024 Open Access

Diffraction casting

Ryosuke Mashiko, Makoto Naruse, Ryoichi Horisaki

AP, Vol. 6, Issue 05, 056005, (October 2024) https://doi.org/10.1117/12.10.1117/1.AP.6.5.056005

KEYWORDS: Logic, Light sources and illumination, Diffraction, Optical computing, Image processing, Energy efficiency, Binary data, Photonics, Education and training, Image sensors

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Proceedings Article | 17 March 2023 Presentation

Reconstructing seen and unseen attractors from data via autonomous-mode reservoir computing

André Röhm, Kohei Tsuchiyama, Takatomo Mihana, Ryoichi Horisaki, Daniel Gauthier, Ingo Fischer, Makoto Naruse

Proceedings Volume PC12438, PC124380E (2023) https://doi.org/10.1117/12.2648645

KEYWORDS: Computing systems, Photonics, Dynamical systems, Complex systems, Systems modeling, Machine learning

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Proceedings Article | 9 October 2021 Presentation

Computational imaging with randomness

Ryoichi Horisaki

Proceedings Volume 11896, 1189608 (2021) https://doi.org/10.1117/12.2601472

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Proceedings Article | 21 February 2020 Presentation + Paper

Bioimaging by molecular-vibration-sensitive quantitative phase microscopy based on wide-field mid-infrared photothermal excitation

Miu Tamamitsu, Keiichiro Toda, Yu Nagashima, Ryoichi Horisaki, Takuro Ideguchi

Proceedings Volume 11252, 112521N (2020) https://doi.org/10.1117/12.2545728

KEYWORDS: Imaging systems, Image sensors, Microscopy, Light sources, Microscopes, Mid-IR, Sensors, Spatial resolution, Molecules, Diffraction gratings, Digital holography, Phase imaging, Photothermal effect

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Proceedings Article | 18 November 2019 Paper

Data-centric approach for miscellaneous optical sensing and imaging

Jun Tanida, Ryoichi Horisaki

Proceedings Volume 11188, 1118804 (2019) https://doi.org/10.1117/12.2537099

KEYWORDS: Mathematical modeling, Signal processing, Optical sensing, Optical imaging, Neural networks, Data modeling, Spatial light modulators, Computer generated holography, Wavefront sensors, Image sensors

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Proceedings Article | 7 September 2018 Paper

Learning-based signal retrieval from scattering media

Jun Tanida, Ryoichi Horisaki

Proceedings Volume 10834, 108340O (2018) https://doi.org/10.1117/12.2322800

KEYWORDS: Signal processing, Scattering media, Scattering, Image processing, Light scattering, Object recognition, Machine learning, Laser scattering, Multimode fibers, Imaging systems

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Proceedings Article | 5 March 2018 Paper

Data-centric method for object observation through scattering media

Jun Tanida, Ryoichi Horisaki

Proceedings Volume 10714, 107140O (2018) https://doi.org/10.1117/12.2299986

KEYWORDS: Scattering media, Signal processing, Scattering, Light scattering, Object recognition, Laser scattering, Speckle pattern, Artificial intelligence, Data modeling, Image processing

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Proceedings Article | 12 January 2018 Paper

Computational holography with random diffraction

Ryoichi Horisaki

Proceedings Volume 10620, 1062002 (2018) https://doi.org/10.1117/12.2294600

KEYWORDS: Diffraction, Scattering media, Holography, Coded apertures, Image processing, Phase imaging, Diffusers, Machine learning, Image sensors, Phase retrieval

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Proceedings Article | 18 April 2017 Paper

Computational holographic imaging through random diffraction

Ryoichi Horisaki

Proceedings Volume 10251, 102510J (2017) https://doi.org/10.1117/12.2272394

KEYWORDS: Diffraction, Scattering media, Holography, Machine learning, Image classification, Computational imaging, Adaptive optics, Biomedical optics, Tissue optics, Computing systems

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SPIE Journal Paper | 29 December 2015

Spectrum slicer for snapshot spectral imaging

Miu Tamamitsu, Yutaro Kitagawa, Keiichi Nakagawa, Ryoichi Horisaki, Yu Oishi, Shin-ya Morita, Yutaka Yamagata, Kentaro Motohara, Keisuke Goda

OE, Vol. 54, Issue 12, 123115, (December 2015) https://doi.org/10.1117/12.10.1117/1.OE.54.12.123115

KEYWORDS: Mirrors, Imaging spectroscopy, Image sensors, Optical components, Visible radiation, Image processing, Spectral resolution, Image segmentation, Imaging systems, Multispectral imaging

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Proceedings Article | 29 July 2015 Paper

Computational imaging based on multi-aperture optics

Jun Tanida, Ryoichi Horisaki

Proceedings Volume 9659, 965905 (2015) https://doi.org/10.1117/12.2193865

KEYWORDS: Computational imaging, Imaging systems, Signal processing, Computer programming, Phase imaging, Coded apertures, Cameras, Reconstruction algorithms, Diagnostics, Optical components

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Proceedings Article | 13 November 2014 Paper

Computational multi-dimensional imaging based on compound-eye optics

Ryoichi Horisaki, Tomoya Nakamura, Jun Tanida

Proceedings Volume 9279, 92790Q (2014) https://doi.org/10.1117/12.2071659

KEYWORDS: Imaging systems, Image processing, Cameras, Compressed sensing, Superposition, Point spread functions, Wavefronts, Projection systems, Image sensors, Reconstruction algorithms

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Proceedings Article | 22 October 2013 Paper

Multi-dimensional compressive imaging

B. Javidi, A. Mahalanobis, X. Xiao, Y. Rivenson, R. Horisaki, A. Stern, P. Latorre-Carmona, M. Martínez-Corral, F. Pla, J. Tanida

Proceedings Volume 8899, 889904 (2013) https://doi.org/10.1117/12.2034426

KEYWORDS: Integral imaging, Cameras, Imaging systems, 3D image processing, 3D acquisition, Compressed sensing, Sensors, Digital holography, Optical filters, Stereoscopy

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Proceedings Article | 8 September 2011 Paper

Multidimensional TOMBO imaging and its applications

Ryoichi Horisaki, Jun Tanida

Proceedings Volume 8165, 816516 (2011) https://doi.org/10.1117/12.892432

KEYWORDS: Polarization, Imaging systems, Imaging spectroscopy, Data acquisition, Multichannel imaging systems, High dynamic range imaging, Sensors, Compressed sensing, Image processing, Reconstruction algorithms

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Proceedings Article | 1 September 2009 Paper

A compact shape-measurement module based on a thin compound-eye camera with multiwavelength diffractive pattern projection for intraoral diagnosis

K. Kagawa, H. Tanabe, C. Ogata, R. Horisaki, Y. Ogura, Y. Nakao, T. Toyoda, Y. Masaki, M. Ueda, J. Tanida

Proceedings Volume 7442, 74420U (2009) https://doi.org/10.1117/12.827250

KEYWORDS: Projection systems, Diffractive optical elements, Cameras, Prototyping, Teeth, Imaging systems, Spatial resolution, Image sensors, 3D modeling, Optical filters

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Proceedings Article | 3 September 2008 Paper

A compound-eye imaging system with irregular lens-array arrangement

Ryoichi Horisaki, Yoshizumi Nakao, Takashi Toyoda, Keiichiro Kagawa, Yasuo Masaki, Jun Tanida

Proceedings Volume 7072, 70720G (2008) https://doi.org/10.1117/12.796698

KEYWORDS: Imaging systems, Super resolution, Error analysis, Image processing, Image sensors, Modulation, 3D image processing, Image resolution, Microlens, Objectives

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Proceedings Article | 20 September 2007 Paper

3D information acquisition using a compound imaging system

Ryoichi Horisaki, Satoru Irie, Yoshizumi Nakao, Yusuke Ogura, Takashi Toyoda, Yasuo Masaki

Proceedings Volume 6695, 66950F (2007) https://doi.org/10.1117/12.732961

KEYWORDS: Image segmentation, 3D acquisition, Imaging systems, 3D image processing, Composites, Image processing, Image restoration, Distance measurement, 3D image reconstruction, Graphics processing units

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