Dr. Norimichi Tsumura Profile

Dr. Norimichi Tsumura

at Chiba Univ.

SPIE Involvement:

Author

Publications (64)

Proceedings Article | 16 March 2023 Presentation + Paper

Improving driving ability using biofeedback by monitoring the mental situation by RGB camera

Takumi Okubo, Kamui Ono, Norimichi Tsumura

Proceedings Volume 12387, 1238705 (2023) https://doi.org/10.1117/12.2648008

KEYWORDS: RGB color model, Cameras, Pulse signals, Nervous system, Skin, Biological research, Video, Facial recognition systems, Pigments, Engineering

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Proceedings Article | 2 March 2022 Poster + Presentation + Paper

Accuracy of pulse wave measurement from the sole of rodents using RGB camera

Masato Takahashi, Takeshi Yamaguchi, Keiko Ogawa-Ochiai, Norimichi Tsumura, Norio Iijima

Proceedings Volume 11968, 119680D (2022) https://doi.org/10.1117/12.2607919

KEYWORDS: Electrocardiography, Cameras, RGB color model, Heart, Signal processing, Video, Beam propagation method, MATLAB, Absorption, Wave propagation

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Proceedings Article | 8 March 2021 Presentation + Paper

Blood pressure estimation using sech functions pulse decomposition

Ryo Takahashi, Takumi Nagasawa, Mari Tsunomura, Raquel Pantojo de Souza, Norimichi Tsumura, George Cardoso

Proceedings Volume 11651, 116510D (2021) https://doi.org/10.1117/12.2577535

KEYWORDS: Blood pressure, Heart, Aorta, Time metrology, Statistical analysis, Photoplethysmography, Feature extraction, Blood, Arteries

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Proceedings Article | 5 March 2021 Presentation + Paper

Non-contact measurement of pulse wave in rats using an RGB camera

Masato Takahashi, Takeshi Yamaguchi, Ryo Takahashi, Norimichi Tsumura, Norio Iijima

Proceedings Volume 11651, 116510E (2021) https://doi.org/10.1117/12.2577481

KEYWORDS: RGB color model, Cameras, Skin, Wave plates, Video, Signal processing

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Proceedings Article | 11 March 2020 Paper

Validation of a method to estimate hemoglobin concentration of seven-layered skin model with three subjects

Mengyao Lin, Kaito Iuchi, Norimichi Tsumura

Proceedings Volume 11331, 113310S (2020) https://doi.org/10.1117/12.2552981

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Proceedings Article | 17 February 2020 Paper

Estimation of melanin concentration, blood concentration, and oxygen saturation in skin tissue layers with different depths unaffected by shading

Kaito Iuchi, Ikumi Nomura, Takanori Igarashi, Nobutoshi Ojima, Norimichi Tsumura

Proceedings Volume 11243, 112430I (2020) https://doi.org/10.1117/12.2545133

KEYWORDS: Skin, Blood, Absorbance, Oxygen, Tissues, Reflectivity, Absorption, Chromophores, Data modeling

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Proceedings Article | 4 March 2019 Paper

Improvement of analyzing method for human skin color separation by independent component analysis

Satomi Tanaka, Norimichi Tsumura

Proceedings Volume 10881, 108811D (2019) https://doi.org/10.1117/12.2507672

KEYWORDS: Skin, Independent component analysis, RGB color model, Signal processing, Cameras, Image analysis, Reflection, Image processing, Color reproduction, Analytical research

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Proceedings Article | 21 February 2019 Paper

A real-time driver monitoring system using a high sensitivity camera

Leyi Tan, Masashi Hakamata, Chen Cao, Keiichiro Kagawa, Norimichi Tsumura, Shoji Kawahito

Proceedings Volume 10883, 108831G (2019) https://doi.org/10.1117/12.2507181

KEYWORDS: Heart, Video, Cameras, Signal detection, Imaging systems, Independent component analysis, Electronic filtering, Nervous system, Skin, RGB color model

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Proceedings Article | 20 February 2018 Paper

Image-based non-contact monitoring of skin texture changed by piloerection for emotion estimation

Mihiro Uchida, Rina Akaho, Keiko Ogawa, Norimichi Tsumura

Proceedings Volume 10501, 105010G (2018) https://doi.org/10.1117/12.2284297

KEYWORDS: Skin, Image processing, Image analysis, Cameras, Analytical research, Nervous system

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Proceedings Article | 22 February 2017 Presentation + Paper

High-speed stimulated Raman scattering microscopy for studying the metabolic diversity of motile Euglena gracilis

Y. Suzuki, Y. Wakisaka, O. Iwata, A. Nakashima, T. Ito, M. Hirose, R. Domon, M. Sugawara, N. Tsumura, H. Watarai, T. Shimobaba, K. Suzuki, K. Goda, Y. Ozeki

Proceedings Volume 10076, 1007604 (2017) https://doi.org/10.1117/12.2250455

KEYWORDS: Raman scattering, Chemical analysis, Microscopy, Biofuels, Spectroscopy, Image acquisition, High speed imaging, Raman spectroscopy, Imaging systems, Microscopes, Imaging spectroscopy, Optical spectroscopy

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Proceedings Article | 16 February 2017 Paper

Component analysis and synthesis of dark circles under the eyes using a spectral image

Rina Akaho, Misa Hirose, Nobutoshi Ojima, Takanori Igarashi, Norimichi Tsumura

Proceedings Volume 10068, 1006815 (2017) https://doi.org/10.1117/12.2252343

KEYWORDS: Skin, Chromophores, Hyperspectral imaging, Modulation, Image analysis, Absorbance, Monte Carlo methods, Tissues, Reflectivity, RGB color model, Oxygen

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Proceedings Article | 14 February 2017 Paper

Volume measurement of the leg with the depth camera for quantitative evaluation of edema

Kaoru Kiyomitsu, Akihiro Kakinuma, Hiroshi Takahashi, Naohiro Kamijo, Keiko Ogawa, Norimichi Tsumura

Proceedings Volume 10054, 1005411 (2017) https://doi.org/10.1117/12.2250096

KEYWORDS: Cameras, Clouds, 3D metrology, Imaging systems, 3D modeling, RGB color model, Sensors, Motion models, 3D acquisition, Phase modulation

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Proceedings Article | 28 June 2016 Presentation

Label-free chemical imaging of live Euglena gracilis by high-speed SRS spectral microscopy (Conference Presentation)

Yoshifumi Wakisaka, Yuta Suzuki, Kyoya Tokunaga, Misa Hirose, Ryota Domon, Rina Akaho, Mai Kuroshima, Norimichi Tsumura, Tomoyoshi Shimobaba, Osamu Iwata, Kengo Suzuki, Ayaka Nakashima, Keisuke Goda, Yasuyuki Ozeki

Proceedings Volume 9720, 97200H (2016) https://doi.org/10.1117/12.2211991

KEYWORDS: Microorganisms, Imaging spectroscopy, Microscopy, Chemical analysis, Biofuels, High speed imaging, Raman scattering, Visualization, Tissues, Temporal resolution

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Proceedings Article | 7 March 2016 Paper

A computational approach to real-time image processing for serial time-encoded amplified microscopy

Minoru Oikawa, Daisuke Hiyama, Ryuji Hirayama, Satoki Hasegawa, Yutaka Endo, Takahisa Sugie, Norimichi Tsumura, Mai Kuroshima, Masanori Maki, Genki Okada, Cheng Lei, Yasuyuki Ozeki, Keisuke Goda, Tomoyoshi Shimobaba

Proceedings Volume 9720, 97200E (2016) https://doi.org/10.1117/12.2211646

KEYWORDS: Field programmable gate arrays, Microscopy, Image processing, Real time image processing, Optical imaging, Imaging systems, Cameras, Particles, Image resolution, Digital signal processing, Prototyping

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Proceedings Article | 17 March 2015 Paper

Illuminant color estimation based on pigmentation separation from human skin color

Satomi Tanaka, Akihiro Kakinuma, Naohiro Kamijo, Hiroshi Takahashi, Norimichi Tsumura

Proceedings Volume 9394, 93941J (2015) https://doi.org/10.1117/12.2077854

KEYWORDS: Skin, Light sources, Xenon, Halogens, Light emitting diodes, Optical filters, Image filtering, Absorbance, Cameras, Visual system

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Proceedings Article | 13 March 2015 Paper

Principal component analysis for surface reflection components and structure in the facial image and synthesis of the facial image in various ages

Misa Hirose, Saori Toyota, Nobutoshi Ojima, Keiko Ogawa-Ochiai, Norimichi Tsumura

Proceedings Volume 9398, 939809 (2015) https://doi.org/10.1117/12.2076694

KEYWORDS: Principal component analysis, Reflectivity, Skin, Modulation, Databases, Discrete wavelet transforms, Light sources, Image processing, Independent component analysis, Cameras

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Proceedings Article | 13 March 2015 Paper

Estimating reflectance property from multi-focus images by light field camera and its application

Norimichi Tsumura, Kaori Baba, Shoji Yamamoto, Masao Sambongi

Proceedings Volume 9398, 939805 (2015) https://doi.org/10.1117/12.2076324

KEYWORDS: Light sources, Reflectivity, Cameras, Point spread functions, Light, Specular reflections, Statistical analysis, Image analysis, Analytical research, Digital cameras

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SPIE Journal Paper | 28 February 2013

Application of image quality metamerism to investigate gold color area in cultural property

Kimiyoshi Miyata, Norimichi Tsumura

JEI, Vol. 22, Issue 01, 013029, (February 2013) https://doi.org/10.1117/12.10.1117/1.JEI.22.1.013029

KEYWORDS: Image quality, Reflectivity, Image segmentation, Gold, Colorimetry, Visualization, Digital imaging, Imaging systems, Visual system, Image visualization

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Proceedings Article | 3 February 2012 Paper

Measuring hemoglobin amount and oxygen saturation of skin with advancing age

Shumpei Watanabe, Satoshi Yamamoto, Midori Yamauchi, Norimichi Tsumura, Keiko Ogawa-Ochiai, Tetsuo Akiba

Proceedings Volume 8229, 822905 (2012) https://doi.org/10.1117/12.907874

KEYWORDS: Skin, Oxygen, Reflectivity, Absorption, Tissue optics, Monte Carlo methods, Diffuse reflectance spectroscopy, Medicine, Oximeters, Scattering

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Proceedings Article | 25 January 2012 Paper

Detection of image quality metamers based on the metric for unified image quality

Kimiyoshi Miyata, Norimichi Tsumura

Proceedings Volume 8293, 829310 (2012) https://doi.org/10.1117/12.907694

KEYWORDS: Image quality, Reflectivity, Gold, Imaging systems, Scanners, Colorimetry, Sensors, Head, Reflection, Color difference

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Proceedings Article | 17 May 2011 Paper

Security enhanced BioEncoding for protecting iris codes

Osama Ouda, Norimichi Tsumura, Toshiya Nakaguchi

Proceedings Volume 8029, 80291U (2011) https://doi.org/10.1117/12.883675

KEYWORDS: Iris, Biometrics, Iris recognition, Databases, Information security, Biological research, Resistance, Binary data, Computer security, Transform theory

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Proceedings Article | 14 March 2011 Paper

A liver segmentation approach in contrast-enhanced CT images with patient-specific knowledge

Ahmed Afifi, Toshiya Nakaguchi, Norimichi Tsumura

Proceedings Volume 7962, 796232 (2011) https://doi.org/10.1117/12.878742

KEYWORDS: Liver, Image segmentation, Computed tomography, Nonlinear filtering, Tissues, Statistical analysis, Tumors, Image filtering, Digital filtering, Data modeling

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Proceedings Article | 18 February 2011 Paper

Analysis on unevenness of skin color using the melanin and hemoglobin components separated by independent component analysis of skin color image

Nobutoshi Ojima, Izumi Fujiwara, Yayoi Inoue, Norimichi Tsumura, Toshiya Nakaguchi, Kayoko Iwata

Proceedings Volume 7897, 78971M (2011) https://doi.org/10.1117/12.873494

KEYWORDS: Skin, Chromophores, Independent component analysis, Spatial frequencies, Image analysis, Modulation, Image processing, Reflection, Image resolution, Quantitative analysis

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Proceedings Article | 12 February 2011 Paper

High-speed simulation of skin spectral reflectance based on an optical path-length matrix method and its application

Izumi Fujiwara, Satoshi Yamamoto, Midori Yamauchi, Keiko Ogawa-Ochiai, Toshiya Nakaguchi, Norimichi Tsumura

Proceedings Volume 7907, 79070K (2011) https://doi.org/10.1117/12.873750

KEYWORDS: Monte Carlo methods, Skin, Reflectivity, Tissue optics, Light scattering, Scattering, Absorption, Oxygen, Photon transport, Current controlled current source

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Proceedings Article | 24 January 2011 Paper

Feature-based automatic color calibration for networked camera system

Shoji Yamamoto, Keisuke Taki, Norimichi Tsumura, Toshiya Nakaguchi, Yoichi Miyake

Proceedings Volume 7867, 78670G (2011) https://doi.org/10.1117/12.872335

KEYWORDS: Calibration, Cameras, Imaging systems, RGB color model, Computing systems, Signal detection, Video surveillance, Image quality, Algorithm development, Color difference

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SPIE Journal Paper | 1 January 2011

Photometric approach to surface reconstruction of artist paintings

Takayuki Hasegawa, Norimichi Tsumura, Toshiya Nakaguchi, Koichi Iino

JEI, Vol. 20, Issue 1, 013006, (January 2011) https://doi.org/10.1117/12.10.1117/1.3533329

KEYWORDS: Bidirectional reflectance transmission function, Light sources, Cameras, Sensors, Reflection, Specular reflections, Light sources and illumination, Photography, Optimization (mathematics), Reflectivity

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Proceedings Article | 13 March 2010 Paper

Segmentation of deformable organs from medical images using particle swarm optimization and nonlinear shape priors

Ahmed Afifi, Toshiya Nakaguchi, Norimichi Tsumura

Proceedings Volume 7623, 762349 (2010) https://doi.org/10.1117/12.844378

KEYWORDS: Image segmentation, Particle swarm optimization, Medical imaging, Liver, Computed tomography, Wavelet packet decomposition, Image processing algorithms and systems, Binary data, Wavelets, Image processing

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SPIE Journal Paper | 1 October 2009

Application of an imaging system to a museum exhibition for developing interactive exhibitions

Kimiyoshi Miyata, Yuka Inoue, Takahiro Takiguchi, Norimichi Tsumura, Toshiya Nakaguchi, Yoichi Miyake

JEI, Vol. 18, Issue 04, 043008, (October 2009) https://doi.org/10.1117/12.10.1117/1.3267085

KEYWORDS: Imaging systems, Projection systems, Cameras, Calibration, Imaging technologies, Human-machine interfaces, Digital cameras, Light sources and illumination, Augmented reality, Video

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Proceedings Article | 13 March 2009 Paper

Absolute length measurement using manually decided stereo correspondence for endoscopy

M. Sasaki, T. Koishi, T. Nakaguchi, N. Tsumura, Y. Miyake

Proceedings Volume 7261, 72610B (2009) https://doi.org/10.1117/12.811592

KEYWORDS: Endoscopy, Cameras, Sensors, Endoscopes, Calibration, Magnetic sensors, Magnetic tracking, Distortion, Magnetism, Photogrammetry

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Proceedings Article | 13 March 2009 Paper

Deformable hollow organ models with self-collision processing between inner surfaces

K. Nishimura, T. Koishi, T. Nakaguchi, S. Morita, N. Tsumura, Y. Miyake

Proceedings Volume 7261, 726127 (2009) https://doi.org/10.1117/12.811579

KEYWORDS: Finite element methods, Natural surfaces, Surgery, Solid modeling, Computer simulations, Systems modeling, Visualization, Virtual colonoscopy, Stomach, Intestine

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Proceedings Article | 3 February 2009 Paper

Fast hand recognition method using limited area of IR projection pattern

Shoji Yamamoto, Sayuri Kamimigaki, Norimichi Tsumura, Toshiya Nakaguchi, Yoichi Miyake

Proceedings Volume 7251, 725103 (2009) https://doi.org/10.1117/12.805781

KEYWORDS: Image processing, Computer programming, Cameras, Displays, Projection systems, Infrared imaging, Distortion, Motion measurement, Visualization, Structured light

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Proceedings Article | 19 January 2009 Paper

Motion blur perception considering anisotropic contrast sensitivity of human visual system

Shinji Nakagawa, Toshiya Nakaguchi, Norimichi Tsumura, Yoichi Miyake

Proceedings Volume 7242, 72421B (2009) https://doi.org/10.1117/12.810467

KEYWORDS: LCDs, Contrast sensitivity, Motion measurement, Visual system, Spatial frequencies, Image quality, Visualization, Anisotropy, Plasma display panels, CRTs

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Proceedings Article | 19 January 2009 Paper

Improved video image by pixel-based learning for super-resolution

Kenji Kamimura, Norimichi Tsumura, Toshiya Nakaguchi, Hideto Motomura, Yoichi Miyake

Proceedings Volume 7242, 724217 (2009) https://doi.org/10.1117/12.810462

KEYWORDS: Super resolution, Video, Cameras, Image resolution, Sensors, Stationary wavelet transform, Image quality, Imaging systems, Image sensors, Spatial resolution

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Proceedings Article | 19 January 2009 Paper

The relationship between ambient illumination and psychological factors in viewing of display Images

Takuya Iwanami, Ayano Kikuchi, Takashi Kaneko, Keita Hirai, Natsumi Yano, Toshiya Nakaguchi, Norimichi Tsumura, Yasuhiro Yoshida, Yoichi Miyake

Proceedings Volume 7241, 72410L (2009) https://doi.org/10.1117/12.810118

KEYWORDS: Factor analysis, RGB color model, LED lighting, Illumination engineering, Video, Control systems, Image resolution, Image quality, Light sources and illumination, Psychology

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Proceedings Article | 24 March 2008 Paper

A navigation system using projection images of laparoscopic instruments and a surgical target with improved image quality

Takeshi Koishi, Suguru Ushiki, Toshiya Nakaguchi, Hideki Hayashi, Norimichi Tsumura, Yoichi Miyake

Proceedings Volume 6918, 691810 (2008) https://doi.org/10.1117/12.770961

KEYWORDS: Laparoscopy, Surgery, Navigation systems, Sensors, Calibration, Projection systems, Cameras, Electromagnetism, Image quality, Distortion

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Proceedings Article | 17 March 2008 Paper

Quantitative evaluation of humeral head defects by comparing left and right feature

Shogo Kawasaki, Toshiya Nakaguchi, Nobuyasu Ochiai, Norimichi Tsumura, Yoichi Miyake

Proceedings Volume 6915, 69153F (2008) https://doi.org/10.1117/12.770225

KEYWORDS: 3D modeling, Computed tomography, Head, Bone, Visualization, 3D image processing, Mirrors, Analytical research, Principal component analysis, Reverse modeling

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Proceedings Article | 17 March 2008 Paper

A fast stereo matching algorithm for 3D reconstruction of internal organs in laparoscopic surgery

Yoshimichi Okada, Takeshi Koishi, Suguru Ushiki, Toshiya Nakaguchi, Norimichi Tsumura, Yoichi Miyake

Proceedings Volume 6918, 69182K (2008) https://doi.org/10.1117/12.770818

KEYWORDS: Reconstruction algorithms, Laparoscopy, 3D modeling, Image registration, Cameras, Surgery, Optimization (mathematics), Stereoscopic cameras, Infrared imaging, 3D image processing

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Proceedings Article | 11 March 2008 Paper

Local control of speed function in level set segmentation using interactive interface for CT images

Shingo Tate, Norimichi Tsumura, Toshiya Nakaguchi, Yoichi Miyake

Proceedings Volume 6914, 69143Z (2008) https://doi.org/10.1117/12.770736

KEYWORDS: Image segmentation, Computed tomography, 3D image processing, Optical spheres, Human-machine interfaces, Pancreas, 3D acquisition, 3D displays, Medical imaging, Computer aided diagnosis and therapy

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Proceedings Article | 25 February 2008 Paper

Efficient acquisition and rendering of transparent and refractive objects using quotient image

Keiichi Ochiai, Norimichi Tsumura, Toshiya Nakaguchi, Kimiyoshi Miyata, Yoichi Miyake

Proceedings Volume 6805, 680502 (2008) https://doi.org/10.1117/12.765860

KEYWORDS: Image compression, Image processing, CRTs, Image transmission, Transmittance, Cameras, Digital imaging, Transparency, Medical imaging, Structured light

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Proceedings Article | 28 January 2008 Paper

An application of projection imaging systems for museum exhibitions

Kimiyoshi Miyata, Takahiro Takiguchi, Toshiya Nakaguchi, Norimichi Tsumura, Yoichi Miyake

Proceedings Volume 6807, 68070L (2008) https://doi.org/10.1117/12.765785

KEYWORDS: Projection systems, Cameras, Imaging systems, Visualization, Calibration, Image processing, Light sources and illumination, Digital cameras, Augmented reality, Multimedia

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Proceedings Article | 28 January 2008 Paper

Motion blur perception in various conditions of presented edge

Shinji Nakagawa, Toshiya Nakaguchi, Norimichi Tsumura, Yoichi Miyake

Proceedings Volume 6808, 68080C (2008) https://doi.org/10.1117/12.766615

KEYWORDS: Anisotropy, Image quality, Motion measurement, Visualization, Video, LCDs, Contrast sensitivity, CRTs, Semantic video, Cameras

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Proceedings Article | 28 January 2008 Paper

Noise estimation from a single image taken by specific digital camera using a priori information

Hitomi Ito, Kenji Kamimura, Norimichi Tsumura, Toshiya Nakaguchi, Hideto Motomura, Yoichi Miyake

Proceedings Volume 6808, 68080D (2008) https://doi.org/10.1117/12.766941

KEYWORDS: Cameras, Image segmentation, Image analysis, Digital imaging, Cerium, CCD cameras, Image quality, Databases, Image compression, Computer simulations

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Proceedings Article | 3 April 2007 Paper

Six degree-of-freedom haptic rendering for the surgical incision training

Yasuhiro Kawaguchi, Toshiya Nakaguchi, Norimichi Tsumura, Yoichi Miyake

Proceedings Volume 6509, 65092R (2007) https://doi.org/10.1117/12.709324

KEYWORDS: Tissues, Haptic technology, Surgery, Instrument modeling, Data modeling, Computer simulations, Virtual reality, Control systems, Natural surfaces, Visualization

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Proceedings Article | 22 March 2007 Paper

Forceps insertion supporting system in laparoscopic surgery: image projection onto the abdominal surface

Takeshi Koishi, Suguru Ushiki, Toshiya Nakaguchi, Hideki Hayashi, Norimichi Tsumura, Yoichi Miyake

Proceedings Volume 6509, 65091Q (2007) https://doi.org/10.1117/12.709290

KEYWORDS: Surgery, Laparoscopy, Distortion, Projection systems, Abdomen, Image quality, Sensors, Medical imaging, Glasses, Natural surfaces

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Proceedings Article | 13 March 2006 Paper

Real-time deformations of organ based on structural mechanics for surgical simulators

Toshiya Nakaguchi, Masashi Tagaya, Nobuhiko Tamura, Norimichi Tsumura, Yoichi Miyake

Proceedings Volume 6143, 61432A (2006) https://doi.org/10.1117/12.654347

KEYWORDS: Surgery, Finite element methods, Mechanics, Laparoscopy, 3D modeling, Signal attenuation, Virtual reality, Liver, Computer simulations, Motion models

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Proceedings Article | 17 January 2006 Paper

Spectral based color reproduction for print illuminated by image projector

Kumiko Ueda, Shoji Yamamoto, Norimichi Tsumura, Toshiya Nakaguchi, Yoichi Miyake

Proceedings Volume 6062, 60620I (2006) https://doi.org/10.1117/12.642811

KEYWORDS: Projection systems, Color difference, Color reproduction, Reflectivity, Control systems, Halftones, Displays, Printing, Digital imaging, CRTs

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Proceedings Article | 17 January 2006 Paper

Designing flat-bed scanning system for spectral and glossiness recording

Takahiro Takiguchi, Sachiko Abe, Norimichi Tsumura, Toshiya Nakaguchi, Fumio Nakaya, Hirokazu Ichikawa, Yuji Minato, Kimiyoshi Miyata, Yoichi Miyake

Proceedings Volume 6062, 60620D (2006) https://doi.org/10.1117/12.642837

KEYWORDS: Reflectivity, Light sources, Optical filters, Scanners, Image analysis, Computer simulations, Diffuse reflectance spectroscopy, Image processing, Imaging systems, Image filtering

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Proceedings Article | 17 January 2006 Paper

An evaluation of sharpness in different image displays used for medical imaging

Masayuki Ukishima, Toshiya Nakaguchi, Katsushi Kato, Yoshikazu Fukuchi, Norimichi Tsumura, Kazumasa Matsumoto, Noriyuki Yanagawa, Takashi Ogura, Takashi Kikawa, Yoichi Miyake

Proceedings Volume 6059, 60590C (2006) https://doi.org/10.1117/12.642590

KEYWORDS: Modulation transfer functions, Imaging systems, LCDs, X-rays, CRTs, X-ray imaging, Image processing, Medical imaging, Silver, Image quality

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Proceedings Article | 25 April 2005 Paper

Quantification method for the appearance of melanin pigmentation using independent component analysis

Nobutoshi Ojima, Natsuko Okiyama, Saya Okaguchi, Norimichi Tsumura, Toshiya Nakaguchi, Kimihiko Hori, Yoichi Miyake

Proceedings Volume 5686, (2005) https://doi.org/10.1117/12.589611

KEYWORDS: Skin, Independent component analysis, Chromophores, Image analysis, Reflection, Image filtering, Imaging systems, Light sources and illumination, Electronic filtering, Digital cameras

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Proceedings Article | 17 January 2005 Paper

Evaluation and analysis for spectral reflectance imaging of human skin

Kenji Kamimura, Norimichi Tsumura, Toshiya Nakaguchi, Yoichi Miyake

Proceedings Volume 5667, (2005) https://doi.org/10.1117/12.585740

KEYWORDS: Reflectivity, Skin, Imaging systems, Light sources, Cameras, RGB color model, Optical filters, Image analysis, Modulation, Principal component analysis

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Proceedings Article | 17 January 2005 Paper

Development of multispectral scanner by using LEDs array for digital color proof

Shouji Yamamoto, Norimichi Tsumura, Toshiya Nakaguchi, Yoichi Miyake

Proceedings Volume 5668, (2005) https://doi.org/10.1117/12.585692

KEYWORDS: Light emitting diodes, Reflectivity, Color difference, Scanners, Statistical analysis, Printing, Sensors, Error analysis, Photodiodes, Chemical elements

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Proceedings Article | 17 January 2005 Paper

Virtual mirror based on 3D-shape reconstruction and real-time face tracking

Takao Makino, Toshiya Nakaguchi, Norimichi Tsumura, Yoichi Miyake

Proceedings Volume 5670, (2005) https://doi.org/10.1117/12.585841

KEYWORDS: 3D image processing, Mirrors, 3D acquisition, Laser induced plasma spectroscopy, Filtering (signal processing), Neck, 3D image reconstruction, Cameras, Light sources, Motion estimation

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Proceedings Article | 6 June 2002 Paper

Gonio photometric imaging for recording of reflectance spectra of 3D objects

Yoichi Miyake, Norimichi Tsumura, Hideaki Haneishi, Junichiro Hayashi

Proceedings Volume 4421, (2002) https://doi.org/10.1117/12.464568

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Proceedings Article | 28 December 2001 Paper

Development of goniophotometric imaging system for recording reflectance spectra of 3D objects

Kazutaka Tonsho, Y Akao, Norimichi Tsumura, Yoichi Miyake

Proceedings Volume 4663, (2001) https://doi.org/10.1117/12.453008

KEYWORDS: 3D image processing, Reflection, 3D modeling, Visualization, Reflectivity, Imaging systems, Cameras, Internet, Visual process modeling, CCD cameras

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Proceedings Article | 8 June 2001 Paper

Correlation map analysis between appearances of Japanese facial images and amount of melanin and hemoglobin components in the skin

Norimichi Tsumura, Keiji Uetsuki, Nobutoshi Ojima, Yoichi Miyake

Proceedings Volume 4299, (2001) https://doi.org/10.1117/12.429496

KEYWORDS: Skin, Independent component analysis, Imaging systems, Visualization, Electroluminescence, Visual analytics, Signal processing, Color reproduction, Image analysis, Color image segmentation

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SPIE Journal Paper | 1 April 2001

Perceptual color difference metric for complex images based on Mahalanobis distance

Francisco Imai, Norimichi Tsumura, Yoichi Miyake

JEI, Vol. 10, Issue 02, (April 2001) https://doi.org/10.1117/12.10.1117/1.1350559

KEYWORDS: Color difference, Endoscopes, Mahalanobis distance, Matrices, CRTs, Tolerancing, Endoscopy, 3D image processing, Stomach, Image processing

Proceedings Article | 21 December 1999 Paper

Evaluation of spectral color reproduction by vector error diffusion method

Masahiro Kozaki, Tetsuya Itoh, Takayuki Kawaguchi, Norimichi Tsumura, Hideaki Haneishi, Yoichi Miyake

Proceedings Volume 3963, (1999) https://doi.org/10.1117/12.373425

KEYWORDS: Color reproduction, Reflectivity, Error analysis, Diffusion, Printing, Computer simulations, Vector spaces, Principal component analysis, Image processing, Lamps

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Proceedings Article | 6 May 1999 Paper

Segmentation for the optical micrograph of fungi by using spectral transmittance and neural network

Masaru Takeya, Norimichi Tsumura, Hideaki Haneishi, Yoichi Miyake

Proceedings Volume 3605, (1999) https://doi.org/10.1117/12.347575

KEYWORDS: Transmittance, Image segmentation, Fungi, Photomicroscopy, Transparency, Optical filters, Cameras, Neurons, Image filtering, Neural networks

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Proceedings Article | 22 December 1998 Paper

Evaluation of digital halftones image by vector error diffusion

Masahiro Kouzaki, Tetsuya Itoh, Takayuki Kawaguchi, Norimichi Tsumura, Hideaki Haneishi, Yoichi Miyake

Proceedings Volume 3648, (1998) https://doi.org/10.1117/12.334591

KEYWORDS: Printing, Color reproduction, Halftones, Image quality, Digital imaging, Surface conduction electron emitter displays, Diffusion, Color difference, Error analysis, CMYK color model

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Proceedings Article | 22 December 1998 Paper

Development of multiband color imaging systems for recordings of art paintings

Yoichi Miyake, Yasuaki Yokoyama, Norimichi Tsumura, Hideaki Haneishi, K. Miyata, Junichiro Hayashi

Proceedings Volume 3648, (1998) https://doi.org/10.1117/12.334560

KEYWORDS: Imaging systems, Reflectivity, Reflection, Optical filters, CCD cameras, Image processing, Image filtering, Image quality, RGB color model, Software development

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Proceedings Article | 7 September 1998 Paper

Development and standardization of a spectral characteristics database for evaluating color reproduction in image input devices

Johji Tajima, Masato Tsukada, Yoichi Miyake, Hideaki Haneishi, Norimichi Tsumura, Masayuki Nakajima, Yoshihiko Azuma, Tetsuo Iga, Masao Inui, Noboru Ohta, Nobutoshi Ojima, Sei Sanada

Proceedings Volume 3409, (1998) https://doi.org/10.1117/12.324095

KEYWORDS: Printing, Databases, Sensors, Color reproduction, Visualization, Standards development, Reflectivity, Skin, Photography, Remote sensing

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Proceedings Article | 9 December 1997 Paper

Improved Wiener reconstruction of bioelectric current distribution based on its estimated correlation matrix

Hideaki Haneishi, Hajime Nobuhara, Norimichi Tsumura, Yoichi Miyake

Proceedings Volume 3171, (1997) https://doi.org/10.1117/12.284716

KEYWORDS: Biological research, Lead, Computer simulations

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Proceedings Article | 3 June 1997 Paper

Evaluation of image quality for high-quality digital halftoning: image analysis and evaluation of multilevel error diffusion

Kimiyoshi Miyata, Masayuki Saito, Norimichi Tsumura, Yoichi Miyake

Proceedings Volume 3016, (1997) https://doi.org/10.1117/12.274512

KEYWORDS: Image quality, Diffusion, Digital imaging, Error analysis, Image resolution, Color difference, Modulation transfer functions, Printing, Image analysis, Halftones

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Proceedings Article | 22 April 1996 Paper

Image compression and decompression based on gazing area

Norimichi Tsumura, Chizuko Endo, Hideaki Haneishi, Yoichi Miyake

Proceedings Volume 2657, (1996) https://doi.org/10.1117/12.238733

KEYWORDS: Image transmission, Image compression, Image quality, Data compression, Eye, CRTs, Motion analysis, Medical imaging, Image quality standards, Image storage

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Showing 5 of 64 publications

Conference Committee Involvement (2)

Third International Conference on Photonic Solutions

8 November 2017 | Pattaya, Thailand

Spectral Imaging: Eighth International Symposium on Multispectral Color Science

16 January 2006 | San Jose, California, United States

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