Prof. Kenji Yamada Profile

Prof. Kenji Yamada

at Osaka University

SPIE Involvement:

Author

Publications (40)

Proceedings Article | 27 March 2024 Poster + Paper

Personal identification and pulse wave detection system using compound eye optics

Kenji Yamada, Nanami Miyanishi, Kayo Yoshimoto, Syunpei Hamasaki

Proceedings Volume 12850, 128500F (2024) https://doi.org/10.1117/12.3000268

KEYWORDS: Veins, Image processing, Eye, Tunable filters, Image sensors, Optical filters, Lens arrays, Skin, Image analysis, Cameras

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Proceedings Article | 18 August 2020 Poster + Presentation + Paper

Development of drowsiness predicting system using respiration curve on image information processing

Nanami Miyanishi, Kenji Yamada, Yuzuha Tonegawa, Koji Nagasaki

Proceedings Volume 11509, 115090O (2020) https://doi.org/10.1117/12.2568319

KEYWORDS: Image processing, Data processing, Cameras, Video, Image sensors, Imaging systems, Medical devices, Video processing, Computing systems

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Proceedings Article | 21 February 2020 Paper

Development of vessel position estimation system based on pixel-wise refocusing using light field imaging

Kayo Yoshimoto, Hideya Takahashi, Kohei Yamamoto, Kenji Yamada

Proceedings Volume 11229, 112291N (2020) https://doi.org/10.1117/12.2536519

KEYWORDS: Imaging systems, Blood vessels, Visualization, Light scattering, Veins, Cameras, Scattering, Image filtering, 3D image processing

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Proceedings Article | 6 September 2019 Paper

Development of a screening system based on nano structure photonics crystal in homecare

Kana Kodama, Kenji Yamada

Proceedings Volume 11136, 111360U (2019) https://doi.org/10.1117/12.2530664

KEYWORDS: Photonic crystals, Surface enhanced Raman spectroscopy, Raman spectroscopy, Sodium, Blood, Raman scattering, Solids, Light scattering, Spectroscopy, Photonics

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Proceedings Article | 26 February 2019 Paper

Vessel position estimation system based on pixel-wise refocusing using light field imaging

Kayo Yoshimoto, Hideya Takahashi, Kenji Yamada

Proceedings Volume 10868, 108681M (2019) https://doi.org/10.1117/12.2511192

KEYWORDS: Light scattering, Scattering, Imaging systems, Blood vessels, Visualization, Optical filters, Image sensors, 3D image processing, Tissue optics, Infrared imaging

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Proceedings Article | 20 February 2018 Paper

Photonically driven DNA nanomachine with hybrid functions towards cell measurement

Yusuke Ogura, Takahiro Nishimura, Kenji Yamada, Jun Tanida

Proceedings Volume 10510, 105100M (2018) https://doi.org/10.1117/12.2292875

KEYWORDS: Molecular machines, Fluorescence resonance energy transfer, Signal detection, Molecular self-assembly

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Proceedings Article | 12 February 2018 Paper

3D registration method for assessing the gastrointestinal motility using spectral reflectance estimation

Kazuki Nobe, Kayo Yoshimoto, Kenji Yamada, Hideya Takahashi

Proceedings Volume 10484, 104841A (2018) https://doi.org/10.1117/12.2288383

KEYWORDS: Reflectivity, 3D image processing, Endoscopes, Motion estimation, Image registration, Image analysis, Stomach

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Proceedings Article | 17 February 2017 Paper

Nanoimprint lithography-based plasmonic crystal-surface enhanced Raman scattering substrate for point of care testing application

Tatsuro Endo, Kenji Yamada

Proceedings Volume 10072, 1007206 (2017) https://doi.org/10.1117/12.2249727

KEYWORDS: Nanoparticles, Surface enhanced Raman spectroscopy, Point-of-care devices, Nanoimprint lithography, Raman spectroscopy, Plasmonics, Crystals, Raman scattering, Metals, Nanolithography, Surface plasmons, Gold

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Proceedings Article | 14 February 2017 Paper

Evaluation of endoscopic entire 3D image acquisition of the digestive tract using a stereo endoscope

Kayo Yoshimoto, Kenji Watabe, Tetsuji Fujinaga, Hideki Iijima, Masahiko Tsujii, Hideya Takahashi, Tetsuo Takehara, Kenji Yamada

Proceedings Volume 10054, 1005412 (2017) https://doi.org/10.1117/12.2250774

KEYWORDS: 3D acquisition, Endoscopy, Endoscopes, 3D image processing, 3D image reconstruction, Cancer, Image analysis, Computed tomography, Biomedical optics, Diagnostics, Cameras, 3D metrology, 3D modeling

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Proceedings Article | 4 March 2016 Presentation + Paper

Effectiveness of surface enhanced Raman spectroscopy of tear fluid with soft substrate for point-of-care therapeutic drug monitoring

K. Yamada, T. Endo, H. Imai, M. Kido, H. Jeong, Y. Ohno

Proceedings Volume 9715, 97150E (2016) https://doi.org/10.1117/12.2214614

KEYWORDS: Surface enhanced Raman spectroscopy, Point-of-care devices, Nanophotonics, Time division multiplexing, Raman spectroscopy, Gold, Nanoimprint lithography, Polymers, Photonic crystals, Sodium, Blood, Light scattering

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Proceedings Article | 4 March 2016 Paper

Evaluation of motion compensation method for assessing the gastrointestinal motility using three dimensional endoscope

Kayo Yoshimoto, Kenji Yamada, Kenji Watabe, Tetsuji Fujinaga, Michiko Kido, Toshiaki Nagakura, Hideya Takahashi, Hideki Iijima, Masahiko Tsujii, Tetsuo Takehara, Yuko Ohno

Proceedings Volume 9698, 969819 (2016) https://doi.org/10.1117/12.2214423

KEYWORDS: Endoscopes, 3D modeling, 3D image processing, Image registration, Gastroenterology, Eye, Pathogens, Endoscopy, Imaging systems, Stomach, Cameras, Wave propagation, Motion measurement, Motion models

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Proceedings Article | 15 July 2015 Paper

Paper-based surfaced enhanced Raman spectroscopy for drug level testing with tear fluid

Kenji Yamada, Moe Yokoyama, Hieyong Jeong, Michiko Kido, Yuko Ohno

Proceedings Volume 9537, 95372I (2015) https://doi.org/10.1117/12.2192833

KEYWORDS: Raman spectroscopy, Surface enhanced Raman spectroscopy, Gold, Blood, Sodium, Glucose, Solids, Biomedical optics, Imaging spectroscopy, Nanorods

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Proceedings Article | 10 April 2015 Paper

Paper-basd surface enhanced Raman spectroscopy of pnenobarbital sodium for point-of-care therapeutic drug monitoring

Moe Yokoyama, Kenji Yamada, Takahiro Nishimura, Michiko Kido, Hieyong Jeong, Yuko Ohno

Proceedings Volume 9332, 933210 (2015) https://doi.org/10.1117/12.2080619

KEYWORDS: Surface enhanced Raman spectroscopy, Raman spectroscopy, Time division multiplexing, Sodium, Point-of-care devices, Blood, Gold, Raman scattering, Absorption, Nanorods

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Proceedings Article | 17 March 2015 Paper

360-degree three-dimensional flat panel display using holographic optical elements

Hirofumi Yabu, Yusuke Takeuchi, Kayo Yoshimoto, Hideya Takahashi, Kenji Yamada

Proceedings Volume 9391, 93910M (2015) https://doi.org/10.1117/12.2077036

KEYWORDS: Holographic optical elements, 3D displays, Flat panel displays, LCDs, 3D image processing, Control systems, Prototyping, Diffusion, Diffraction gratings, Holography

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Proceedings Article | 4 March 2015 Paper

A study on the quantitative evaluation of skin barrier function

Tomomi Maruyama, Yasuhiro Kabetani, Michiko Kido, Kenji Yamada, Hirotoshi Oikaze, Yohei Takechi, Tomotaka Furuta, Shoichi Ishii, Haruna Katayama, Hieyong Jeong, Yuko Ohno

Proceedings Volume 9313, 93131F (2015) https://doi.org/10.1117/12.2079655

KEYWORDS: Skin, In vivo imaging, Optical coherence microscopy, Microscopy, Tissues, Nondestructive evaluation, Optical coherence tomography, Mirrors, Light scattering, Natural surfaces

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Proceedings Article | 4 March 2015 Paper

Gastrointestinal tract volume measurement method using a compound eye type endoscope

Kayo Yoshimoto, Kenji Yamada, Kenji Watabe, Michiko Kido, Toshiaki Nagakura, Hideya Takahashi, Tsutomu Nishida, Hideki Iijima, Masahiko Tsujii, Tetsuo Takehara, Yuko Ohno

Proceedings Volume 9313, 93131I (2015) https://doi.org/10.1117/12.2080949

KEYWORDS: Endoscopes, Eye, Rectum, Intestine, Stomach, Distance measurement, Endoscopy, 3D modeling, Magnetic resonance imaging, 3D image processing

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Proceedings Article | 28 February 2014 Paper

Retinal projection type super multi-view head-mounted display

Hideya Takahashi, Yutaka Ito, Seigo Nakata, Kenji Yamada

Proceedings Volume 9012, 90120L (2014) https://doi.org/10.1117/12.2038330

KEYWORDS: Head-mounted displays, Holographic optical elements, Eye, 3D image processing, Retina, 3D displays, Prototyping, Holography, Mirrors, Superposition

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Proceedings Article | 27 February 2014 Paper

Evaluation of the three-dimensional endoscope system for assessing the gastrointestinal motility

Kayo Yoshimoto, Kenji Yamada, Kenji Watabe, Maki Takeda, Takahiro Nishimura, Michiko Kido, Toshiaki Nagakura, Hideya Takahashi, Tsutomu Nishida, Hideki Iijima, Masahiko Tsujii, Tetsuo Takehara, Yuko Ohno

Proceedings Volume 8935, 89351G (2014) https://doi.org/10.1117/12.2041652

KEYWORDS: Endoscopes, Stomach, Wave propagation, 3D image processing, Magnetic resonance imaging, Prototyping, 3D modeling, 3D metrology, In vivo imaging, Imaging systems

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Proceedings Article | 20 February 2014 Paper

Amplification and modulation of fluorescent signals by using hybridization chain reactions for multiplexed sensing of biomolecules in a one-pot

Takahiro Nishimura, Yusuke Ogura, Kenji Yamada, Yuko Ohno, Jun Tanida

Proceedings Volume 8954, 89540P (2014) https://doi.org/10.1117/12.2041436

KEYWORDS: Computer programming, Molecules, Multiplexing, Target detection, Luminescence, Modulation, Biosensing, Fluorescence resonance energy transfer, Polymers, Signal processing

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Proceedings Article | 13 March 2013 Paper

Evaluation of a compound eye type tactile endoscope

Kayo Yoshimoto, Kenji Yamada, Nagisa Sasaki, Maki Takeda, Sachiko Shimizu, Toshiaki Nagakura, Hideya Takahashi, Yuko Ohno

Proceedings Volume 8575, 85750Z (2013) https://doi.org/10.1117/12.2005808

KEYWORDS: Silicon, Endoscopes, Eye, Endoscopy, Sensors, Surgery, Prototyping, Image sensors, Imaging systems, Laparoscopy

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Proceedings Article | 12 March 2013 Paper

Wide viewing angle three-dimensional display using curved HOE lens array

Yoshiaki Oshima, Hideya Takahashi, Kenji Yamada

Proceedings Volume 8648, 86481N (2013) https://doi.org/10.1117/12.2002321

KEYWORDS: 3D displays, Holographic optical elements, 3D image processing, Prototyping, Image resolution, Microlens, 3D image reconstruction, Projection systems, Spatial resolution, Mirrors

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Proceedings Article | 28 February 2012 Paper

Wide-viewing angle three-dimensional display based on the ray reconstruction method using multiple micro-projectors

Hideya Takahashi, Kenta Hirooka, Kenji Yamada

Proceedings Volume 8288, 828824 (2012) https://doi.org/10.1117/12.907254

KEYWORDS: 3D displays, 3D image processing, Lenticular lenses, Prototyping, 3D image reconstruction, Displays, Integral imaging, Imaging systems, Projection systems, Glasses

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Proceedings Article | 3 February 2012 Paper

Deep-focus compound-eye camera with polarization filters for 3D endoscopes

Keiichiro Kagawa, Eiji Tanaka, Kenji Yamada, Shoji Kawahito, Jun Tanida

Proceedings Volume 8227, 822714 (2012) https://doi.org/10.1117/12.908415

KEYWORDS: Polarization, Cameras, Endoscopes, Optical filters, Imaging systems, Super resolution, Point spread functions, Tissues, Prototyping, Wavefronts

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Proceedings Article | 23 September 2011 Paper

A photonic DNA processor: concept and implementation

Takahiro Nishimura, Yusuke Ogura, Kenji Yamada, Hirotsugu Yamamoto, Jun Tanida

Proceedings Volume 8102, 810207 (2011) https://doi.org/10.1117/12.893269

KEYWORDS: Signal processing, Molecules, Molecular machines, Molecular photonics, Luminescence, Fluorescence resonance energy transfer, Visible radiation, Ultraviolet radiation, Target recognition, Prototyping

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Proceedings Article | 8 September 2010 Paper

Design and image processing for tactile endoscope system

Kenji Yamada, Yuto Susuki, Toshiaki Nagakura, Ken Ishihara, Yuko Ohno

Proceedings Volume 7797, 77970Z (2010) https://doi.org/10.1117/12.859651

KEYWORDS: Silicon, Endoscopes, Sensors, Image processing, Endoscopy, Image sensors, Cameras, Communication engineering, Prototyping, Computer simulations

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Proceedings Article | 29 February 2008 Paper

Flatbed-type omnidirectional three-dimensional display system using holographic lens array

Hideya Takahashi, Manabu Chikayama, Kenji Yamada

Proceedings Volume 6803, 68031M (2008) https://doi.org/10.1117/12.764827

KEYWORDS: 3D displays, Holographic optical elements, 3D image processing, 3D image reconstruction, Holography, Prototyping, Digital micromirror devices, Flat panel displays, Projection systems, Light sources

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Proceedings Article | 25 February 2008 Paper

Small 3D image capturing system by TOMBO

Kenji Yamada, Hideya Takahashi

Proceedings Volume 6805, 680512 (2008) https://doi.org/10.1117/12.767988

KEYWORDS: Imaging systems, 3D image processing, Image processing, 3D image reconstruction, GRIN lenses, Signal detection, Cameras, Image sensors, 3D image capture, 3D acquisition

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Proceedings Article | 30 January 2006 Paper

Wide-viewing-angle three-dimensional display system using HOE lens array

Hideya Takahashi, Hiromitsu Fujinami, Kenji Yamada

Proceedings Volume 6055, 60551C (2006) https://doi.org/10.1117/12.642186

KEYWORDS: Holographic optical elements, 3D displays, Displays, Projection systems, 3D image reconstruction, Imaging systems, Integral imaging, Holography, 3D image processing, Diffraction gratings

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Proceedings Article | 27 January 2006 Paper

Development of ultra thin three-dimensional image capturing system

Kenji Yamada, Hiroko Mitsui, Toshiro Asano, Jun Tanida, Hideya Takahashi

Proceedings Volume 6056, 60560V (2006) https://doi.org/10.1117/12.642583

KEYWORDS: Imaging systems, 3D image processing, Image processing, Signal detection, 3D image reconstruction, CCD image sensors, Prototyping, Endoscopes, Digital signal processing, Digital image processing

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Proceedings Article | 1 September 2005 Paper

Development of three dimensional endoscope by compound optics

Kenji Yamada, Toshiro Asano, Jun Tanida, Rui Shougenji, Toshiaki Nagakura

Proceedings Volume 5864, 586405 (2005) https://doi.org/10.1117/12.632910

KEYWORDS: Imaging systems, Endoscopes, 3D image processing, Image processing, Signal detection, CMOS sensors, Prototyping, Biomedical optics, Surgery, Data conversion

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Proceedings Article | 22 March 2005 Paper

Camera system for arbitrary viewpoint 3D display system

Hideya Takahashi, Yoshinori Nakano, Kenji Yamada

Proceedings Volume 5664, (2005) https://doi.org/10.1117/12.585815

KEYWORDS: 3D displays, 3D image processing, Cameras, Imaging systems, 3D image reconstruction, Image processing, CMOS cameras, Field programmable gate arrays, Data conversion, 3D acquisition

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Proceedings Article | 26 November 2003 Paper

Arbitrary viewpoint 3D display system

Hideya Takahashi, Kenji Yamada, Eiji Shimizu

Proceedings Volume 5243, (2003) https://doi.org/10.1117/12.512484

KEYWORDS: 3D displays, 3D image reconstruction, 3D image processing, Imaging systems, 3D vision, Data conversion, Cameras, 3D modeling, Light sources, Diffraction gratings

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Proceedings Article | 20 October 2003 Paper

Multispectral imaging system by compact compound optics

Rui Shogenji, Yoshiro Kitamura, Kenji Yamada, Shigehiro Miyatake, Jun Tanida

Proceedings Volume 5225, (2003) https://doi.org/10.1117/12.505501

KEYWORDS: Multispectral imaging, Optical filters, Imaging systems, Microlens array, Image filtering, Photodetectors, Prototyping, Reconstruction algorithms, Image sensors, RGB color model

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Proceedings Article | 27 November 2002 Paper

Ray-space-based 3D image input method for a color 3D display using a method of the reconstruction of parallax rays

Hideya Takahashi, Kenji Yamada, Shimizu Eiji

Proceedings Volume 4864, (2002) https://doi.org/10.1117/12.454909

KEYWORDS: 3D image reconstruction, 3D displays, 3D image processing, 3D modeling, Holography, Data modeling, 3D volumetric displays, Photography, Diffraction gratings, Digital micromirror devices

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Proceedings Article | 27 November 2002 Paper

Analysis of the real-time 3D display system based on the reconstruction of parallax rays

Kenji Yamada, Hideya Takahashi, Eiji Shimizu

Proceedings Volume 4864, (2002) https://doi.org/10.1117/12.454913

KEYWORDS: Light sources, 3D displays, Geometrical optics, Image quality, Spatial light modulators, 3D image processing, Displays, Spatial frequencies, 3D image reconstruction, Holographic optical elements

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Proceedings Article | 13 December 2001 Paper

Compact image capturing system based on compound imaging and digital reconstruction

Jun Tanida, Yoshifumi Kitamura, Kenji Yamada, Shigehiro Miyatake, Masaru Miyamoto, Takashi Morimoto, Yasuo Masaki, Noriyuki Kondou, Daisuke Miyazaki, Yoshiki Ichioka

Proceedings Volume 4455, (2001) https://doi.org/10.1117/12.450454

KEYWORDS: Imaging systems, Prototyping, Digital imaging, Microlens array, CMOS sensors, Image processing, Image restoration, Image sensors, Information visualization, Photodetectors

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Proceedings Article | 9 November 2001 Paper

Microrotators fabricated by photolithography

Takashi Katsuhara, Yasushi Ueda, Daisuke Miyazaki, Kenji Matsushita, Kenji Yamada, Tsutomu Yotsuya

Proceedings Volume 4440, (2001) https://doi.org/10.1117/12.448049

KEYWORDS: Photoresist materials, Particles, Optical tweezers, Optical lithography, Glasses, Objectives, Aluminum, Refractive index, Manufacturing, Microorganisms

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Proceedings Article | 24 May 2000 Paper

Thin observation module by bound optics (TOMBO): an optoelectronic image capturing system

Jun Tanida, Tomoya Kumagai, Kenji Yamada, Shigehiro Miyatake, Kouichi Ishida, Takashi Morimoto, Noriyuki Kondou, Daisuke Miyazaki, Yoshiki Ichioka

Proceedings Volume 4089, (2000) https://doi.org/10.1117/12.386797

KEYWORDS: Imaging systems, Image retrieval, Image processing, Microlens array, Photodetectors, Optoelectronics, Microlens, Image quality, CCD cameras, Charge-coupled devices

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Proceedings Article | 20 February 1998 Paper

Advanced pulsed laser deposition method (eclipse angle)

Minoru Tachiki, Eiichi Morita, Kenji Yamada, Xiaodong Fang, Takeshi Kobayashi

Proceedings Volume 3175, (1998) https://doi.org/10.1117/12.300700

KEYWORDS: Pulsed laser deposition, Deposition processes, Laser processing, Composites, Ultrafast imaging, Cameras, Copper, Thin films, Oxygen, Argon

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Proceedings Article | 12 April 1995 Paper

Approach to computer-generated holographic stereogram by electro-holography

Kenji Yamada, Hideya Takahashi, Eiji Shimizu

Proceedings Volume 2406, (1995) https://doi.org/10.1117/12.206217

KEYWORDS: Computer generated holography, Holography, 3D image reconstruction, Holograms, 3D displays, Cameras, Stereo holograms, Eye, Computing systems, Mirrors

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Showing 5 of 40 publications

Conference Committee Involvement (1)

Lithographic and Micromachining Techniques for Optical Component Fabrication II

3 August 2003 | San Diego, California, United States

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