Prof. Kazunori Umeda Profile

Prof. Kazunori Umeda

Associate Professor at Chuo Univ

SPIE Involvement:

Author | Editor

Publications (8)

Proceedings Article | 28 July 2023 Paper

Automatic scoring in fencing by using skeleton points extracted from images

Takehiro Sawahata, Alessandro Moro, Sarthak Pathak, Kazunori Umeda

Proceedings Volume 12749, 1274919 (2023) https://doi.org/10.1117/12.3000424

KEYWORDS: Deep learning, Video, RGB color model, Visualization, Systems modeling, Cameras, Video processing, Statistical modeling, Sensors, Pose estimation

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Proceedings Article | 16 July 2021 Paper

Tiny range image sensors using multiple laser lights for short distance measurement

Tomoaki Fukuda, Yonghoon Ji, Kazunori Umeda

Proceedings Volume 11794, 117940F (2021) https://doi.org/10.1117/12.2589196

KEYWORDS: Image sensors, Distance measurement, Projection systems, Time metrology, Sensors, Cameras

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SPIE Journal Paper | 25 August 2020 Open Access

Special Section Guest Editorial: Quality Control by Artificial Vision VI

Christophe Cudel, Oliver Aubreton, Kazunori Umeda, Kunihito Kato

JEI, Vol. 29, Issue 04, 041001, (August 2020) https://doi.org/10.1117/12.10.1117/1.JEI.29.4.041001

KEYWORDS: Machine vision, Inspection, 3D vision, 3D acquisition, Reflectivity, Precision mechanics, Polarization, Skin, Polarimetry, Nondestructive evaluation

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Proceedings Article | 16 July 2019 Paper

A system for home appliance operation by hand waving in a user-definable command space

Shixun Yan, Yonghoon Ji, Kazunori Umeda

Proceedings Volume 11172, 1117214 (2019) https://doi.org/10.1117/12.2521252

KEYWORDS: Space operations, Cameras, 3D image processing, Image processing, Image resolution, Gesture recognition, Imaging systems, 3D metrology, Switching, Fourier transforms

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Proceedings Article | 16 July 2019 Paper

Automatic camera pose estimation based on a flat surface map

Yonghoon Ji, Atsushi Yamashita, Kazunori Umeda, Hajime Asama

Proceedings Volume 11172, 111720X (2019) https://doi.org/10.1117/12.2521780

KEYWORDS: Cameras, 3D modeling, 3D image processing, Image processing, Calibration, OpenGL, Particle filters

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Proceedings Article | 14 May 2017 Paper

Estimation of extrinsic parameters of multiple fish-eye cameras using calibration markers

Hiroya Okamoto, Yuki Tanaka, Akihiko Hishigi, Abdelaziz Khiat, Noriko Shimomura, Gakuto Masuyama, Kazunori Umeda

Proceedings Volume 10338, 103380B (2017) https://doi.org/10.1117/12.2266999

KEYWORDS: Cameras, Calibration, Error analysis, Content addressable memory, Imaging systems, 3D image processing, Computer simulations, Distortion, 3D modeling, Device simulation

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Proceedings Article | 19 January 2009 Paper

Subtraction stereo: a stereo camera system that focuses on moving regions

Kazunori Umeda, Yuuki Hashimoto, Tatsuya Nakanishi, Kota Irie, Kenji Terabayashi

Proceedings Volume 7239, 723908 (2009) https://doi.org/10.1117/12.805718

KEYWORDS: Stereoscopic cameras, Cameras, Surveillance, 3D metrology, Distance measurement, 3D acquisition, 3D image processing, Imaging systems, Detection and tracking algorithms, Error analysis

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Proceedings Article | 6 December 2005 Paper

Range measurement by a digital camera using flash

Naoya Ogawa, Kazunori Umeda

Proceedings Volume 6051, 605108 (2005) https://doi.org/10.1117/12.647730

KEYWORDS: Reflectivity, Charge-coupled devices, Digital cameras, 3D metrology, Distance measurement, Bidirectional reflectance transmission function, Reflection, Digital imaging, Visible radiation, Cameras

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Showing 5 of 8 publications

Proceedings Volume Editor (1)

SPIE Conference Volume | 17 April 2017

Thirteenth International Conference on Quality Control by Artificial Vision 2017

Conference Committee Involvement (1)

The International Conference on Quality Control by Artificial Vision 2017

14 May 2017 | Tokyo, Japan

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