Prof. Kyuichi Niizeki Profile

Prof. Kyuichi Niizeki

at Yamagata Univ

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Author

Publications (8)

Proceedings Article | 20 February 2019 Presentation + Paper

RGB camera-based noncontact imaging of plethysmogram and spontaneous low-frequency oscillation in skin perfusion before and during psychological stress

Izumi Nishidate, Chihiro Tanabe, Daniel McDuff, Kazuya Nakano, Kyuichi Niizeki, Yoshihisa Aizu, Hideaki Haneishi

Proceedings Volume 10885, 1088507 (2019) https://doi.org/10.1117/12.2509752

KEYWORDS: Skin, RGB color model, Cameras, Chromophores, Digital cameras, In vivo imaging, Blood, Nervous system, Hemodynamics, Tissues

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Proceedings Article | 20 February 2018 Paper

Evaluation of arterial oxygen saturation using RGB camera-based remote photoplethysmography

Izumi Nishidate, Kazuya Nakano, Daniel McDuff, Kyuichi Niizeki, Yoshihisa Aizu, Hideaki Haneishi

Proceedings Volume 10501, 1050111 (2018) https://doi.org/10.1117/12.2290448

KEYWORDS: RGB color model, Skin, Oxygen, Cameras, Tissues, Chromophores, Oximeters, Photoplethysmography, Digital cameras, In vivo imaging

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Proceedings Article | 17 March 2016 Presentation + Paper

Noncontact imaging of plethysmographic pulsation and spontaneous low-frequency oscillation in skin perfusion with a digital red-green-blue camera

Izumi Nishidate, Akira Hoshi, Yuta Aoki, Kazuya Nakano, Kyuichi Niizeki, Yoshihisa Aizu

Proceedings Volume 9707, 97070L (2016) https://doi.org/10.1117/12.2212558

KEYWORDS: Skin, Nervous system, Digital cameras, Cameras, RGB color model, Monte Carlo methods, Blood, Blood vessels, Tissue optics, Fourier transforms, Curium, In vivo imaging, Chromophores, Digital imaging

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Proceedings Article | 18 June 2013 Paper

Noncontact plethysmographic imaging based on diffuse reflectance spectroscopy using a digital RGB camera

Izumi Nishidate, Ryohei Matsuda, Noriyuki Tanaka, Takaaki Maeda, Tomonori Yuasa, Tetsuya Yuasa, Kyuichi Niizeki, Yoshihisa Aizu

Proceedings Volume 8798, 87980D (2013) https://doi.org/10.1117/12.2032555

KEYWORDS: RGB color model, Skin, Blood, Curium, Cameras, Diffuse reflectance spectroscopy, Chromophores, Digital cameras, Monte Carlo methods, Tissues

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SPIE Journal Paper | 17 December 2012 Open Access

Visualization of peripheral vasodilative indices in human skin by use of red, green, blue images

Izumi Nishidate, Noriyuki Tanaka, Tatsuya Kawase, Takaaki Maeda, Tomonori Yuasa, Yoshihisa Aizu, Tetsuya Yuasa, Kyuichi Niizeki

JBO, Vol. 18, Issue 06, 061220, (December 2012) https://doi.org/10.1117/12.10.1117/1.JBO.18.6.061220

KEYWORDS: Skin, RGB color model, Blood, Capacitance, Resistance, Artificial intelligence, Visualization, Virtual colonoscopy, Tissues, Cameras

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SPIE Journal Paper | 1 August 2011 Open Access

Noninvasive imaging of human skin hemodynamics using a digital red-green-blue camera

Izumi Nishidate, Noriyuki Tanaka, Tatsuya Kawase, Takaaki Maeda, Tomonori Yuasa, Yoshihisa Aizu, Tetsuya Yuasa, Kyuichi Niizeki

JBO, Vol. 16, Issue 08, 086012, (August 2011) https://doi.org/10.1117/12.10.1117/1.3613929

KEYWORDS: Blood, Skin, RGB color model, Tissues, Monte Carlo methods, Absorption, Oxygen, Mercury, Hemodynamics, Visualization

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Proceedings Article | 8 July 2009 Paper

Investigation of arterial inflow and venous capacitance in human skin by use of RGB images

Izumi Nishidate, Hayato Kaneko, Takaaki Maeda, Yoshihisa Aizu, Tetsuya Yuasa, Kyuichi Niizeki

Proceedings Volume 7368, 73682F (2009) https://doi.org/10.1117/12.831585

KEYWORDS: Skin, RGB color model, Capacitance, Blood, Curium, Tissues, Chromophores, Visualization, Cameras, Hemodynamics

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SPIE Journal Paper | 1 September 2007 Open Access

Visualizing depth and thickness of a local blood region in skin tissue using diffuse reflectance images

Izumi Nishidate, Takaaki Maeda, Yoshihisa Aizu, Kyuichi Niizeki

JBO, Vol. 12, Issue 05, 054006, (September 2007) https://doi.org/10.1117/12.10.1117/1.2798703

KEYWORDS: Blood, Skin, Tissue optics, Tissues, Veins, Absorption, Scattering, Monte Carlo methods, Visualization, Diffuse reflectance spectroscopy

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Showing 5 of 8 publications

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