Prof. Yasuhiro Awatsuji Profile

Prof. Yasuhiro Awatsuji

Professor at Kyoto Institute of Technology

SPIE Involvement:

Senior status | Conference Program Committee | Conference Co-Chair | Author | Editor

Publications (45)

SPIE Journal Paper | 12 November 2019

Three-dimensional fluorescence imaging using the transport of intensity equation

Sudheesh Rajput, Manoj Kumar, Xiangyu Quan, Mitsuhiro Morita, Tomoyuki Furuyashiki, Yasuhiro Awatsuji, Enrique Tajahuerce, Osamu Matoba

JBO Vol. 25 Issue 03

KEYWORDS: Luminescence, 3D image processing, Stereoscopy, Imaging systems, Phase retrieval, Microscopy, Light sources, Bandpass filters, Phase imaging, Fourier transforms

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Proceedings Article | 12 November 2019

Multimodal imaging based digital holography

Manoj Kumar, Osamu Matoba, Xiangyu Quan, Sudheesh Rajput, Yasuhiro Awatsuji

Proc. SPIE. 11197, SPIE Future Sensing Technologies

KEYWORDS: Holograms, Holography, Multimodal imaging, Digital holography, Imaging systems, Sensors, Stereoscopy, Luminescence, Digital recording, 3D image processing

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Proceedings Article | 4 June 2019

Active 3D fluorescence imaging based on holography

Osamu Matoba, Xiangyu Quan, Manoj Kumar, Yasuhiro Awatsuji

Proc. SPIE. 10997, Three-Dimensional Imaging, Visualization, and Display 2019

KEYWORDS: Microscopes, Holograms, Holography, 3D image reconstruction, Digital holography, Stereoscopy, Luminescence, Spatial light modulators, 3D metrology, 3D image processing

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SPIE Journal Paper | 12 February 2019

Special Section Guest Editorial: Biomedical Imaging and Sensing

Toyohiko Yatagai, Osamu Matoba, Yoshihisa Aizu, Yasuhiro Awatsuji, Yuan Luo

JBO Vol. 24 Issue 03

KEYWORDS: Biosensing, Biomedical optics, Sensing systems, Imaging systems, Digital holography, Optical coherence tomography, Photonics, Microscopy, Biology, Medicine

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Proceedings Article | 28 January 2019

Extending the recordable time in light-in-flight recording by holography

Yasuhiro Awatsuji, Daiki Yamanaka, Yu Sawashima, Itsuki Takamoto, Atsushi Matsunaka, Kenzo Nishio

Proc. SPIE. 11051, 32nd International Congress on High-Speed Imaging and Photonics

KEYWORDS: Ultrafast phenomena, Holograms, Holography, Femtosecond phenomena, 3D image reconstruction, Polarizers, Diffusers, Geometrical optics, Pulsed laser operation, Light wave propagation

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Proceedings Article | 5 November 2018

Multi-dimensional digital holographic microscopy

Osamu Matoba, Xiangyu Quan, Manoj Kumar, Yasuhiro Awatsuji

Proc. SPIE. 10815, Optical Design and Testing VIII

KEYWORDS: Microscopes, Holograms, Holography, 3D image reconstruction, Digital holography, Microscopy, Phase imaging

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SPIE Conference Volume | 15 June 2018

Biomedical Imaging and Sensing Conference

Proceedings Article | 15 May 2018

Three-dimensional imaging based on common-path off-axis incoherent digital holography (Conference Presentation)

Osamu Matoba, Xiangyu Quan, Yasuhiro Awatsuji

Proc. SPIE. 10666, Three-Dimensional Imaging, Visualization, and Display 2018

KEYWORDS: Light emitting diodes, Digital holography, Lenses, Stereoscopy, Image sensors, 3D image processing, Diffraction gratings

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Proceedings Article | 24 April 2018

Parallel phase-shifting radial shearing interferometry and its numerical verification

Syogo Mochida, Masato Shinomura, Tatsuya Hirakawa, Takahito Fukuda, Yasuhiro Awatsuji, Kenzo Nishio, Osamu Matoba

Proc. SPIE. 10711, Biomedical Imaging and Sensing Conference

KEYWORDS: 3D image reconstruction, Digital holography, Particles, Interferometry, Wavefronts, Computer simulations, Phase interferometry, Image sensors, Reconstruction algorithms, Phase shifts

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Proceedings Article | 24 April 2018

Single-shot incoherent digital holography using parallel phase-shifting radial shearing interferometry

Syogo Mochida, Masato Shinomura, Tatsuya Hirakawa, Takahito Fukuda, Yasuhiro Awatsuji, Kenzo Nishio, Osamu Matoba

Proc. SPIE. 10711, Biomedical Imaging and Sensing Conference

KEYWORDS: Holograms, Light emitting diodes, 3D image reconstruction, Digital holography, Interferometry, Phase interferometry, Spatial coherence, Holographic interferometry, 3D image processing, Phase shifts

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Proceedings Article | 24 April 2018

Multimodal digital holographic microscopy for simultaneous phase and fluorescence imaging

Xiangyu Quan, Osamu Matoba, Yasuhiro Awatsuji

Proc. SPIE. 10711, Biomedical Imaging and Sensing Conference

KEYWORDS: Holograms, Holography, 3D image reconstruction, Digital holography, Imaging systems, Image processing, Microscopy, 3D image processing

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Proceedings Article | 24 April 2018

Motion-picture phase imaging by an integrated optical system of a parallel phase-shifting digital holographic microscope

Kazuki Shimizu, Takahito Fukuda, Tatsuya Hirakawa, Peng Xia, Yasuhiro Awatsuji, Kenzo Nishio, Osamu Matoba

Proc. SPIE. 10711, Biomedical Imaging and Sensing Conference

KEYWORDS: Microscopes, Optical design, Holograms, Holography, Digital holography, Imaging systems, Phase imaging, High speed imaging, Phase shifts

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SPIE Journal Paper | 6 April 2018

Review of three-dimensional imaging of dynamic objects by parallel phase-shifting digital holography

Takahito Fukuda, Yasuhiro Awatsuji, Peng Xia, Takashi Kakue, Kenzo Nishio, Osamu Matoba

OE Vol. 57 Issue 06

KEYWORDS: Digital holography, Phase shifts, 3D image reconstruction, Crystals, Stereoscopy, 3D image processing, Holograms, Digital imaging, Refractive index, Image sensors

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Proceedings Article | 5 March 2018

Multimodality of phase and fluorescence in digital holography

Osamu Matoba, Xiangyu Quan, Yasuhiro Awatsuji

Proc. SPIE. 10714, Third International Conference on Photonics Solutions (ICPS2017)

KEYWORDS: Microscopes, Optical microscopes, Holography, Multimodal imaging, Digital holography, Phase imaging, Phase measurement, 3D image processing

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Proceedings Article | 5 March 2018

3D motion picture of transparent gas flow by parallel phase-shifting digital holography

Yasuhiro Awatsuji, Takahito Fukuda, Yexin Wang, Peng Xia, Takashi Kakue, Kenzo Nishio, Osamu Matoba

Proc. SPIE. 10714, Third International Conference on Photonics Solutions (ICPS2017)

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SPIE Conference Volume | 7 July 2017

Biomedical Imaging and Sensing Conference

Proceedings Article | 26 June 2017

Optical sound wave recording by digital holography with heterodyne technique

Xiangyu Quan, Sudheesh Rajput, Kouichi Nitta, Osamu Matoba, Yasuhiro Awatsuji

Proc. SPIE. 10335, Digital Optical Technologies 2017

KEYWORDS: Mirrors, Optical signal processing, Optical sensing, Digital holography, Modulation, Visualization, Interferometers, Ultrasonography, Video, Wave propagation, Image sensors, Heterodyning, Wave propagation interference

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Proceedings Article | 10 May 2017

Analysis of off-axis incoherent digital holographic microscopy

Xiangyu Quan, Osamu Matoba, Yasuhiro Awatsuji

Proc. SPIE. 10219, Three-Dimensional Imaging, Visualization, and Display 2017

KEYWORDS: Signal to noise ratio, Optical components, Diffraction, Holograms, Holography, Digital holography, Spatial filters, Microscopy, Luminescence, Spatial light modulators, Fresnel lenses, 3D image processing, Light, Diffraction gratings

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Proceedings Article | 10 May 2017

Common-path incoherent digital holography

Osamu Matoba, Xiangyu Quan, Asuka Moriyama, Yasuhiro Awatsuji

Proc. SPIE. 10219, Three-Dimensional Imaging, Visualization, and Display 2017

KEYWORDS: Image visualization, Light sources, Holograms, Holography, Light emitting diodes, 3D image reconstruction, Digital holography, 3D applications, Modulation, Lenses, Interferometers, Spatial light modulators, 3D image processing, Diffraction gratings

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Proceedings Article | 18 April 2017

Analysis of common-path incoherent digital holography using dual-focusing lens with diffraction gratings

Xiangyu Quan, Asuka Moriyama, Nitta Kouichi, Osamu Matoba, Yasuhiro Awatsuji

Proc. SPIE. 10251, Biomedical Imaging and Sensing Conference

KEYWORDS: Diffraction, Light sources, Holograms, Holography, Digital holography, Microscopy, Wavefronts, Spatial light modulators, 3D metrology, Spatial coherence, Diffraction gratings

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Proceedings Article | 20 February 2017

One million fps phase measurement by digital holography

Peng Xia, Yasuhiro Awatsuji, Osamu Matoba

Proc. SPIE. 10328, Selected Papers from the 31st International Congress on High-Speed Imaging and Photonics

KEYWORDS: Holograms, 3D image reconstruction, Digital holography, Polarization, Cameras, Image quality, Image sensors, Digital imaging, High speed cameras, Phase shifts

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Proceedings Article | 20 February 2017

Ultrafast 3D imaging by holography

Yasuhiro Awatsuji

Proc. SPIE. 10328, Selected Papers from the 31st International Congress on High-Speed Imaging and Photonics

KEYWORDS: Holograms, Holography, Femtosecond phenomena, 3D image reconstruction, Digital holography, Image sensors, Geometrical optics, Digital recording, Light wave propagation, 3D image processing

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Proceedings Article | 8 June 2016

Improvement of reconstructed phase distribution of fast moving phase object in digital holographic microscope

Peng Xia, Naoya Nagahama, Xiangyu Quan, Kouichi Nitta, Osamu Matoba, Yasuhiro Awatsuji

Proc. SPIE. 9718, Quantitative Phase Imaging II

KEYWORDS: Microscopes, Holograms, Holography, 3D image reconstruction, Digital holography, Image filtering, Phase measurement

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Proceedings Article | 1 June 2016

Experimental verification of phase retrieval of microbeads in high-speed phase imaging using digital holography

Osamu Matoba, Peng Xia, Xiangyu Quan, Naoya Nagahama, Shunsuke Tanimoto, Kouichi Nitta, Yasuhiro Awatsuji

Proc. SPIE. 9867, Three-Dimensional Imaging, Visualization, and Display 2016

KEYWORDS: Microscopes, Holograms, Holography, Continuous wave operation, Digital holography, Phase retrieval, Image sensors, 3D metrology, Deconvolution, Phase measurement

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Proceedings Article | 9 March 2016

Multi-modal digital holographic microscopy for wide-field fluorescence and 3D phase imaging

Xiangyu Quan, Peng Xia, Osamu Matoba, Koichi Nitta, Yasuhiro Awatsuji

Proc. SPIE. 9718, Quantitative Phase Imaging II

KEYWORDS: Microscopes, Optical filters, Beam splitters, Holograms, Holography, Mach-Zehnder interferometers, Digital holography, Imaging systems, Microscopy, Luminescence, Optical microscopy, Reflectivity, Phase imaging, 3D image processing

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Proceedings Article | 7 March 2016

Parallel phase-shifting digital holography and its application to high-speed 3D imaging of dynamic object

Yasuhiro Awatsuji, Peng Xia, Yexin Wang, Osamu Matoba

Proc. SPIE. 9720, High-Speed Biomedical Imaging and Spectroscopy: Toward Big Data Instrumentation and Management

KEYWORDS: Holograms, Holography, 3D image reconstruction, Digital holography, Polarization, Cameras, Image sensors, High speed cameras, 3D metrology, Phase shifts

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Proceedings Article | 29 July 2015

A hybrid digital holographic microscopy for biological applications

O. Matoba, X. Quan, Y. Awatsuji, P. Xia

Proc. SPIE. 9659, International Conference on Photonics Solutions 2015

KEYWORDS: Microscopes, Holograms, Holography, Digital holography, Microscopy, Luminescence, Phase imaging, 3D metrology, Phase measurement, 3D image processing

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Proceedings Article | 29 July 2015

High-speed 3D imaging by parallel phase-shifting digital holography

Yasuhiro Awatsuji, Peng Xia, Osamu Matoba

Proc. SPIE. 9659, International Conference on Photonics Solutions 2015

KEYWORDS: Holograms, 3D image reconstruction, Digital holography, Imaging systems, Cameras, Image sensors, Digital imaging, 3D metrology, 3D image processing, Phase shifts

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Proceedings Article | 5 June 2014

Multi-parameter motion-picture recording with wide space-bandwidth by parallel phase-shifting digital holography

Tatsuki Tahara, Peng Xia, Yasuhiro Awatsuji, Kenzo Nishio, Shogo Ura, Toshihiro Kubota, Osamu Matoba

Proc. SPIE. 9117, Three-Dimensional Imaging, Visualization, and Display 2014

KEYWORDS: Holograms, 3D image reconstruction, Digital holography, Multiplexing, Wave plates, Phase interferometry, Image sensors, Holographic interferometry, 3D image processing, Phase shifts

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Proceedings Article | 6 March 2014

Experimental demonstration of parallel phase-shifting digital holography under weak light condition

Lin Miao, Tatsuki Tahara, Peng Xia, Yasunori Ito, Kouichi Nitta, Yasuhiro Awatsuji, Osamu Matoba

Proc. SPIE. 9013, Three-Dimensional Image Processing, Measurement (3DIPM), and Applications 2014

KEYWORDS: Holograms, 3D image reconstruction, Digital holography, Polarization, Image processing, Multiplexing, Image quality, Image sensors, 3D image processing, Phase shifts

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Proceedings Article | 31 December 2013

3D motion picture recording by parallel phase-shifting digital holographic microscopy

Tatsuki Tahara, Peng Xia, Takashi Kakue, Yasuhiro Awatsuji, Kenzo Nishio, Shogo Ura, Toshihiro Kubota, Osamu Matoba

Proc. SPIE. 9042, 2013 International Conference on Optical Instruments and Technology: Optical Systems and Modern Optoelectronic Instruments

KEYWORDS: Holograms, Holography, 3D image reconstruction, Digital holography, Microscopy, Wave plates, Image sensors, Digital imaging, Digital recording, Phase shifts

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Proceedings Article | 31 December 2013

Parallel phase-shifting digital holography using LCOS-SLM

Miao Lin, Kouichi Nitta, Osamu Matoba, Yasuhiro Awatsuji

Proc. SPIE. 9042, 2013 International Conference on Optical Instruments and Technology: Optical Systems and Modern Optoelectronic Instruments

KEYWORDS: Beam splitters, Holograms, Digital holography, Multiplexing, Adaptive optics, Spatial light modulators, Liquid crystal on silicon, Image sensors, Optical aberrations, Phase shifts

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Proceedings Article | 17 May 2013

Observation of femtosecond light pulse propagation by using digital light-in-flight recording by holography

Takashi Kakue, Peng Xia, Tatsuki Tahara, Yasuhiro Awatsuji, Kenzo Nishio, Shogo Ura, Toshihiro Kubota, Osamu Matoba

Proc. SPIE. 8738, Three-Dimensional Imaging, Visualization, and Display 2013

KEYWORDS: Holograms, Holography, Femtosecond phenomena, 3D image reconstruction, Digital holography, Laser induced fluorescence, Diffusers, Digital recording, Pulsed laser operation, Light wave propagation

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Proceedings Article | 15 March 2013

Cavity-resonator-integrated guided-mode resonance filters

Shogo Ura, Kenji Kintaka, Junichi Inoue, Kenzo Nishio, Yasuhiro Awatsuji

Proc. SPIE. 8633, High Contrast Metastructures II

KEYWORDS: Optical filters, Refractive index, Resonators, Waveguides, Reflection, Dielectrics, Reflectivity, Wavefronts, Wave propagation, Dielectric polarization

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Proceedings Article | 26 November 2012

Parallel phase-shifting digital holography system using a high-speed camera

Yasuhiro Awatsuji, Takashi Kakue, Tatsuki Tahara, Peng Xia, Kenzo Nishio, Shogo Ura, Toshihiro Kubota, Osamu Matoba

Proc. SPIE. 8557, Optical Design and Testing V

KEYWORDS: Holograms, 3D image reconstruction, Digital holography, Polarization, Imaging systems, Cameras, Image sensors, High speed cameras, 3D metrology, Phase shifts

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Proceedings Article | 26 November 2012

Evaluation of parallel phase-shifting digital holography by photon-counting method

Lin Miao, Kouichi Nitta, Osamu Matoba, Yasuhiro Awatsuji

Proc. SPIE. 8557, Optical Design and Testing V

KEYWORDS: Beam splitters, Holograms, 3D image reconstruction, Digital holography, Multiplexing, Wave propagation, Image sensors, Tissue optics, 3D image processing, Phase shifts

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SPIE Journal Paper | 4 April 2012

Comparative evaluation of the image-reconstruction algorithms of single-shot phase-shifting digital holography

Tatsuki Tahara, Yuki Shimozato, Takashi Kakue, Motofumi Fujii, Xia Peng, Yasuhiro Awatsuji, Shogo Ura, Kenzo Nishio, Toshihiro Kubota, Osamu Matoba

JEI Vol. 21 Issue 1

KEYWORDS: Holograms, Phase shifts, 3D image reconstruction, Digital holography, Holographic interferometry, Image sensors, Reconstruction algorithms, 3D image processing, Phase interferometry, Image quality

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SPIE Journal Paper | 1 September 2011

Construction of a portable parallel phase-shifting digital holography system

Motofumi Fujii, Takashi Kakue, Kenichi Ito, Tatsuki Tahara, Yuki Shimozato, Yasuhiro Awatsuji, Shogo Ura, Kenzo Nishio, Toshihiro Kubota, Osamu Matoba

OE Vol. 50 Issue 09

KEYWORDS: Digital holography, Phase shifts, Holograms, Image sensors, Wave plates, Imaging systems, Optical design, 3D metrology, 3D image reconstruction, Optical components

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Proceedings Article | 9 June 2006

Observation of femtosecond light pulse propagating in space and time

Toshihiro Kubota, Aya Komatsu, Masatomo Yamagiwa, Yasuhiro Awatsuji

Proc. SPIE. 6252, Holography 2005: International Conference on Holography, Optical Recording, and Processing of Information

KEYWORDS: Prisms, Holograms, Holography, Femtosecond phenomena, 3D image reconstruction, Glasses, Light scattering, Pulsed laser operation, Light wave propagation, Fiber optic illuminators

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Proceedings Article | 21 September 2005

Motion picture of three-dimensional image of propagating femtosecond laser pulse

Yasuhiro Awatsuji, Kazunari Komai, Masatomo Yamagiwa, Aya Komatsu, Toshihiro Kubota

Proc. SPIE. 5920, Ultrafast X-Ray Detectors, High-Speed Imaging, and Applications

KEYWORDS: Ultrafast phenomena, Holograms, Holography, Continuous wave operation, Femtosecond phenomena, Photography, Diffusers, Pulsed laser operation, Light wave propagation, 3D image processing

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Proceedings Article | 17 March 2005

Motion pictures of propagating ultrashort laser pulses

Yasuhiro Awatsuji, Aya Komatsu, Masatomo Yamagiwa, Toshihiro Kubota

Proc. SPIE. 5580, 26th International Congress on High-Speed Photography and Photonics

KEYWORDS: Ultrafast phenomena, Prisms, Holograms, Holography, Femtosecond phenomena, Glasses, Photography, Picosecond phenomena, Pulsed laser operation, Light wave propagation

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Proceedings Article | 3 June 2002

Analysis of imaging characteristics and design of HOE considering light efficiency using the hologram CAD tool

Yasuhiro Awatsuji, Yukio Matsuura, Tohru Shimizu, Toshihiro Kubota

Proc. SPIE. 4659, Practical Holography XVI and Holographic Materials VIII

KEYWORDS: Diffraction, Optical design, Holograms, Holographic optical elements, Holography, Gaussian beams, Imaging systems, Optical simulations, Computer aided design, Spherical lenses

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SPIE Journal Paper | 1 November 2001

Simulator for computer-aided design of holograms

Tohru Shimizu, Yasuhiro Awatsuji, Toshihiro Kubota

OE Vol. 40 Issue 11

KEYWORDS: Holograms, Computer aided design, Optical design, Optical simulations, Diffraction, Holographic optical elements, Demultiplexers, Computer simulations, 3D image reconstruction, Wavefront aberrations

Proceedings Article | 24 May 2000

Application-specific optoelectronic parallel computing architecture for solving optimization problems by using the genetic algorithm

Yasuhiro Awatsuji, Takeshi Ishimaru, Toshihiro Kubota

Proc. SPIE. 4089, Optics in Computing 2000

KEYWORDS: Genetic algorithms, Image processing, Computing systems, Computer simulations, Optoelectronics, Data processing, Parallel computing, Optimization (mathematics), Optical computing, Computer architecture

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Proceedings Article | 22 May 1998

Pixel spaced-location technique for optical digital discrete correlator based on pupil control methods with coherent illumination

Yasuhiro Awatsuji, Toshihiro Kubota

Proc. SPIE. 3490, Optics in Computing '98

KEYWORDS: Photodetectors, Modulation, Image segmentation, Image processing, Computing systems, Digital imaging, Image filtering, Digital image correlation, Optical computing, Optical correlators

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