Dr. Makoto Okui Profile

Dr. Makoto Okui

Senior Research Engineer at NHK Science and Technical Research Labs

SPIE Involvement:

Author

Publications (24)

Proceedings Article | 19 February 2013 Paper

A 33M-pixel wide color gamut image capturing system using four CMOS image sensors at 120 Hz

Takuji Soeno, Kohei Omura, Takayuki Yamashita, Ryohei Funatsu, Masayuki Sugawara, Makoto Okui

Proceedings Volume 8659, 865909 (2013) https://doi.org/10.1117/12.2003292

KEYWORDS: Image sensors, Sensors, Modulation transfer functions, Prisms, CMOS sensors, Cameras, Prototyping, Imaging systems, Image resolution, Head

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Proceedings Article | 15 May 2012 Paper

Integral imaging system with enlarged horizontal viewing angle

Masato Miura, Jun Arai, Tomoyuki Mishina, Makoto Okui, Fumio Okano

Proceedings Volume 8384, 83840O (2012) https://doi.org/10.1117/12.921388

KEYWORDS: 3D image processing, Imaging systems, Integral imaging, 3D displays, 3D image reconstruction, LCDs, 3D vision, Staring arrays, Multichannel imaging systems, Image quality

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Proceedings Article | 22 September 2011 Paper

Integral imaging system with 33 mega-pixel imaging devices using the pixel-offset method

Jun Arai, Masahiro Kawakita, Takayuki Yamashita, Hisayuki Sasaki, Masato Miura, Hitoshi Hiura, Makoto Okui, Fumio Okano, Yasuyuki Haino, Masahito Sato

Proceedings Volume 8167, 81670X (2011) https://doi.org/10.1117/12.896753

KEYWORDS: 3D image processing, 3D displays, Cameras, Spatial frequencies, Image resolution, Televisions, Imaging devices, Video, Imaging systems, Integral imaging

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Proceedings Article | 20 May 2011 Paper

Method of enlarging horizontal viewing zone in integral imaging

Masato Miura, Jun Arai, Makoto Okui, Fumio Okano

Proceedings Volume 8043, 80430A (2011) https://doi.org/10.1117/12.884383

KEYWORDS: 3D image reconstruction, 3D image processing, Integral imaging, 3D displays, Image quality, Image resolution, Imaging arrays, Televisions, Optical filters, Displays

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Proceedings Article | 16 February 2011 Paper

Pixel-offset position detection using lens array for integral three-dimensional display

Hisayuki Sasaki, Masahiro Kawakita, Kenichiro Masaoka, Jun Arai, Makoto Okui, Fumio Okano, Yasuyuki Haino, Makoto Yoshimura, Masahito Sato

Proceedings Volume 7863, 78631Z (2011) https://doi.org/10.1117/12.872694

KEYWORDS: Spatial frequencies, Image resolution, Lithium, Modulation transfer functions, 3D displays, 3D image processing, Imaging systems, Integral imaging, Actuators, Detector arrays

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Proceedings Article | 14 May 2010 Paper

Geometric analysis on stereoscopic images captured by single high-definition television camera on lunar orbiter Kaguya (SELENE)

Masato Miura, Jun Arai, Junichi Yamazaki, Hisayuki Sasaki, Makoto Okui, Shin-ichi Sobue, Fumio Okano

Proceedings Volume 7690, 76900T (2010) https://doi.org/10.1117/12.849635

KEYWORDS: Cameras, Distortion, Image sensors, Televisions, Image analysis, Spherical lenses, 3D image processing, Eye models, Lenses, Promethium

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Proceedings Article | 17 February 2010 Paper

Integral imaging using pupil modulation and depth-control processing

Jun Arai, Masahiro Kawakita, Makoto Okui, Eisuke Nakasu, Fumio Okano

Proceedings Volume 7524, 75241Q (2010) https://doi.org/10.1117/12.839113

KEYWORDS: Modulation transfer functions, Spatial frequencies, 3D image processing, Image processing, Integral imaging, Image restoration, Modulation, 3D image reconstruction, Imaging systems, 3D displays

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Proceedings Article | 20 May 2009 Paper

Semi-lens lens array and fast Fourier transform to generate hologram for live electronic holography

Kenji Yamamoto, Tomoyuki Mishina, Makoto Okui

Proceedings Volume 7358, 73580U (2009) https://doi.org/10.1117/12.819785

KEYWORDS: Holograms, Holography, Image processing, 3D image processing, LCDs, 3D image reconstruction, 3D displays, Fourier transforms, Cameras, Video

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Proceedings Article | 3 February 2009 Paper

A real-time color holography system for live scene

Kenji Yamamoto, Tomoyuki Mishina, Ryutaro Oi, Takanori Senoh, Makoto Okui

Proceedings Volume 7233, 723310 (2009) https://doi.org/10.1117/12.807257

KEYWORDS: Holograms, 3D image reconstruction, Cameras, Holography, Video, 3D image processing, Image processing, LCDs, Laser sources, Optical filters

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Proceedings Article | 3 February 2009 Paper

Real-time IP–hologram conversion hardware based on floating point DSPs

Ryutaro Oi, Tomoyuki Mishina, Kenji Yamamoto, Makoto Okui

Proceedings Volume 7233, 723305 (2009) https://doi.org/10.1117/12.807612

KEYWORDS: Holograms, Digital signal processing, 3D image reconstruction, Lenses, Image processing, Photography, Field programmable gate arrays, Near field diffraction, Cameras, 3D image processing

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Proceedings Article | 25 January 2008 Paper

Half-zone-plate processing for objects on both sides of hologram display

Kenji Yamamoto, Ryutaro Oi, Tomoyuki Mishina, Makoto Okui

Proceedings Volume 6912, 69120Q (2008) https://doi.org/10.1117/12.762903

KEYWORDS: Holograms, Light sources, Spatial filters, Holography, Computer generated holography, LCDs, 3D image reconstruction, 3D image processing, Collimators, Electronic components

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Proceedings Article | 25 January 2008 Paper

Electronic generation of holograms by using depth maps of real scenes

Ryutaro Oi, Kenji Yamamoto, Makoto Okui

Proceedings Volume 6912, 69120M (2008) https://doi.org/10.1117/12.764144

KEYWORDS: Holograms, Spatial light modulators, Cameras, 3D image reconstruction, LCDs, Holography, Diffraction, Laser scanners, Near field diffraction, Reflectivity

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SPIE Journal Paper | 1 February 2007

Visual resolution characteristics of an afocal array optical system for three-dimensional images

Fumio Okano, Jun Arai, Makoto Okui

OE, Vol. 46, Issue 02, 023201, (February 2007) https://doi.org/10.1117/12.10.1117/1.2709623

KEYWORDS: Modulation transfer functions, Visualization, 3D image processing, Spatial frequencies, GRIN lenses, Image resolution, Optical engineering, Spatial resolution, Diffraction, Optical arrays

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Proceedings Article | 30 January 2006 Paper

Imaging properties of microlens arrays for integral imaging system

Jun Arai, Makoto Okui, Yuji Nojiri, Fumio Okano

Proceedings Volume 6055, 605511 (2006) https://doi.org/10.1117/12.642143

KEYWORDS: Optical arrays, Lenses, Staring arrays, 3D image processing, Geometrical optics, Stray light, Imaging systems, 3D displays, Gradient-index optics, Integral imaging

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Proceedings Article | 15 November 2005 Paper

Resolution characteristics of afocal array optics

Fumio Okano, Jun Arai, Makoto Okui

Proceedings Volume 6016, 601601 (2005) https://doi.org/10.1117/12.630270

KEYWORDS: Modulation transfer functions, Spatial frequencies, Visualization, Diffraction, Image resolution, Optical arrays, 3D image processing, Visual optics, Spatial resolution, 3D displays

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Proceedings Article | 25 October 2004 Paper

Generation of holograms using integral photography

Tomoyuki Mishina, Makoto Okui, Fumio Okano

Proceedings Volume 5599, (2004) https://doi.org/10.1117/12.577506

KEYWORDS: Holograms, 3D image reconstruction, LCDs, Photography, Lenses, Holography, 3D image processing, IP cameras, Near field diffraction, Light sources

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Proceedings Article | 25 October 2004 Paper

Depth control afocal lens array for integral imaging

Fumio Okano, Makoto Okui, Jun Arai

Proceedings Volume 5599, (2004) https://doi.org/10.1117/12.571859

KEYWORDS: 3D image processing, Photography, Imaging arrays, Integral imaging, Optical arrays, Light sources, 3D displays, GRIN lenses, Video, Distortion

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Proceedings Article | 21 May 2004 Paper

Improvement of integral 3D image quality by compensating for lens position errors

Makoto Okui, Jun Arai, Masaki Kobayashi, Fumio Okano

Proceedings Volume 5291, (2004) https://doi.org/10.1117/12.526606

KEYWORDS: 3D image processing, Image quality, 3D displays, Cameras, Photography, GRIN lenses, Imaging arrays, Televisions, Error analysis, Prototyping

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Proceedings Article | 26 November 2003 Paper

Depth control GRIN lens array for integral photography

Fumio Okano, Masaki Kobayashi, Jun Arai, Makoto Okui

Proceedings Volume 5243, (2003) https://doi.org/10.1117/12.510932

KEYWORDS: GRIN lenses, 3D image processing, Photography, Distortion, Lanthanum, LCDs, Imaging arrays, 3D displays, Control systems, Cameras

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Proceedings Article | 4 June 2003 Paper

Holographic display with enlarged viewing-zone using high-resolution LC panel

Tomoyuki Mishina, Makoto Okui, Keiichiro Doi, Fumio Okano

Proceedings Volume 5005, (2003) https://doi.org/10.1117/12.473818

KEYWORDS: LCDs, Holography, Holograms, Diffraction, 3D image reconstruction, Liquid crystals, 3D image processing, Spatial filters, Image resolution, Spatial frequencies

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Proceedings Article | 30 May 2003 Paper

Integral three-dimensional television based on superhigh-definition video system

Jun Arai, Makoto Okui, Masaki Kobayashi, Masayuki Sugawara, Kohji Mitani, Hiroshi Shimamoto, Fumio Okano

Proceedings Volume 5006, (2003) https://doi.org/10.1117/12.474096

KEYWORDS: 3D image processing, 3D displays, Photography, Microlens array, LCDs, Image resolution, 3D image reconstruction, Microlens, Imaging systems, Displays

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Proceedings Article | 27 November 2002 Paper

Gradient-index lens array for forming three-dimensional spatial images

Fumio Okano, Jun Arai, Makoto Okui

Proceedings Volume 4864, (2002) https://doi.org/10.1117/12.454915

KEYWORDS: GRIN lenses, 3D image processing, 3D displays, Gradient-index optics, Photography, Imaging arrays, Diffusers, Optoelectronics, Optical amplifiers, Electronic components

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Proceedings Article | 23 May 2002 Paper

Parallax distribution for ease of viewing in stereoscopic HDTV

Shinji Ide, Hirokazu Yamanoue, Makoto Okui, Fumio Okano, Mineo Bitou, Nobuyoshi Terashima

Proceedings Volume 4660, (2002) https://doi.org/10.1117/12.468065

KEYWORDS: 3D image processing, 3D displays, Image fusion, Principal component analysis, Cameras, Factor analysis, Error analysis, Analytical research, 3D imaging standards, 3D vision

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Proceedings Article | 28 February 2001 Paper

Stereoscopic HDTV

Ichiro Yuyama, Makoto Okui

Proceedings Volume 10298, 1029802 (2001) https://doi.org/10.1117/12.419781

KEYWORDS: 3D displays, Televisions, Image quality, 3D image processing, Signal processing, Image processing

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Showing 5 of 24 publications

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