Prof. Akira Kimachi Profile

Prof. Akira Kimachi

Professor at Osaka Electro-Communication Univ

SPIE Involvement:

Author

Publications (13)

Proceedings Article | 25 January 2012 Paper

Human skin imaging using three-phase spectral matching imager

Akira Kimachi, Shigeru Ando, Motonori Doi, Shogo Nishi

Proceedings Volume 8292, 82920P (2012) https://doi.org/10.1117/12.906169

KEYWORDS: Skin, Reflectivity, Imaging systems, Image segmentation, Image sensors, Cameras, Laser induced plasma spectroscopy, Photography, Video, RGB color model

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SPIE Journal Paper | 1 December 2011

Three-phase quadrature spectral matching imager using correlation image sensor and wavelength-swept monochromatic illumination

Akira Kimachi, Shogo Nishi, Shigeru Ando, Motonori Doi

OE, Vol. 50, Issue 12, 127208, (December 2011) https://doi.org/10.1117/12.10.1117/1.3662425

KEYWORDS: Imaging systems, Cameras, Image sensors, Reflectivity, RGB color model, Error analysis, Optical engineering, Signal to noise ratio, Light sources, Copper indium disulfide

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Proceedings Article | 3 August 2010 Paper

Real-time phase demodulation of heterodyne speckle interference patterns using correlation image sensor

Akira Kimachi

Proceedings Volume 7790, 779007 (2010) https://doi.org/10.1117/12.859391

KEYWORDS: Image sensors, Speckle, Speckle pattern, Heterodyning, Demodulation, Interferometry, Cameras, Spatial resolution, Signal to noise ratio, Imaging systems

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Proceedings Article | 19 January 2010 Paper

Spectral matching imager with three-phase quadrature detection

Akira Kimachi, Shigeru Ando, Motonori Doi, Shogo Nishi

Proceedings Volume 7528, 75280E (2010) https://doi.org/10.1117/12.839104

KEYWORDS: Imaging systems, Reflectivity, Light sources, Cameras, Image sensors, Modulation, Imaging spectroscopy, Copper indium disulfide, Target detection, Signal to noise ratio

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Proceedings Article | 4 September 2009 Paper

Real-time phase-stamp range finder with improved accuracy

Akira Kimachi

Proceedings Volume 7447, 744705 (2009) https://doi.org/10.1117/12.825773

KEYWORDS: Error analysis, 3D image reconstruction, Image sensors, Cameras, Phase measurement, 3D image processing, Imaging systems, Mirrors, Range imaging, Light emitting diodes

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SPIE Journal Paper | 1 December 2008

Polarization imaging for material classification

Shoji Tominaga, Akira Kimachi

OE, Vol. 47, Issue 12, 123201, (December 2008) https://doi.org/10.1117/12.10.1117/1.3041770

KEYWORDS: Dielectric polarization, Dielectrics, Metals, Polarizers, Image filtering, Glasses, Reflection, Optical filters, Optical engineering, Specular reflections

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Proceedings Article | 29 January 2007 Paper

Real-time range imaging by phase-stamp method using correlation image sensor

Akira Kimachi, Shigeru Ando

Proceedings Volume 6491, 64910A (2007) https://doi.org/10.1117/12.696311

KEYWORDS: Reflectivity, Phase shift keying, Image sensors, Modulation, Range imaging, Mirrors, 3D image processing, Cameras, Sensors, Signal generators

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Proceedings Article | 17 January 2005 Paper

Real-time detection of natural objects using AM-coded spectral matching imager

Akira Kimachi

Proceedings Volume 5667, (2005) https://doi.org/10.1117/12.586787

KEYWORDS: Reflectivity, Light emitting diodes, Imaging systems, Light sources, Scanners, Image sensors, Copper indium disulfide, Cameras, Amplitude modulation, Skin

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SPIE Journal Paper | 1 April 2004

Spectral matching imager using amplitude-modulation-coded multispectral light-emitting diode illumination

Akira Kimachi, Hisashi Ikuta, Yusuke Fujiwara, Mitsuharu Masumoto, Hitoshi Matsuyama

OE, Vol. 43, Issue 04, (April 2004) https://doi.org/10.1117/12.10.1117/1.1666679

KEYWORDS: Light emitting diodes, Imaging systems, Glasses, Light sources, Chromium, Amplitude modulation, LED lighting, Multispectral imaging, Copper indium disulfide, Signal to noise ratio

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Proceedings Article | 16 May 2003 Paper

Spectral matching imager using correlation image sensor and AM-coded multispectral illumination

Akira Kimachi, Hisashi Ikuta, Yusuke Fujiwara, Hitoshi Matsuyama

Proceedings Volume 5017, (2003) https://doi.org/10.1117/12.476778

KEYWORDS: Image sensors, Imaging systems, Light emitting diodes, Amplitude modulation, Glasses, Reflectivity, Transmittance, Optical filters, Multispectral imaging, Spectral resolution

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Proceedings Article | 24 April 2002 Paper

Spectral matching imager using correlation image sensor and variable-wavelength illumination

Akira Kimachi, Toshihide Imaizumi, Ai Kato, Shigeru Ando

Proceedings Volume 4669, (2002) https://doi.org/10.1117/12.463414

KEYWORDS: Glasses, Imaging systems, Image sensors, Light sources, Erbium, Praseodymium, Chromium, Spectral resolution, Mirrors, Selenium

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Proceedings Article | 22 December 2000 Paper

Novel rangefinding system using a correlation image sensor

Akira Kimachi, Toru Kurihara, Masao Takamoto, Shigeru Ando

Proceedings Volume 4309, (2000) https://doi.org/10.1117/12.410881

KEYWORDS: Image sensors, Modulation, Reflectivity, Phase shift keying, Sensors, Phase shifts, 3D image processing, 3D metrology, Image processing, Sensing systems

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Proceedings Article | 19 April 2000 Paper

Time-domain correlation image sensor: CMOS design and integration of demodulator pixels

Akira Kimachi, Shigeru Ando

Proceedings Volume 3950, (2000) https://doi.org/10.1117/12.382165

KEYWORDS: Image sensors, Sensors, Modulation, CMOS sensors, Photometry, Vibrometry, Image processing, Photodiodes, Capacitors, Information operations

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Showing 5 of 13 publications

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