Dr. Yuji Nojiri Profile

Dr. Yuji Nojiri

at NHK Science & Technical Research Labs

SPIE Involvement:

Author

Publications (15)

Proceedings Article | 17 February 2011 Paper

Single-chip color imaging for UHDTV camera with a 33M-pixel CMOS image sensor

Ryohei Funatsu, Takayuki Yamashita, Kohji Mitani, Yuji Nojiri

Proceedings Volume 7875, 787502 (2011) https://doi.org/10.1117/12.871045

KEYWORDS: Cameras, Modulation transfer functions, Imaging systems, Sensors, CMOS sensors, Image resolution, Optical filters, Image filtering, Signal processing, Color imaging

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Proceedings Article | 19 January 2010 Paper

Multidirectional MTF measurement of digital image acquisition devices using a Siemens star

Kenichiro Masaoka, Masayuki Sugawara, Yuji Nojiri

Proceedings Volume 7537, 75370V (2010) https://doi.org/10.1117/12.838889

KEYWORDS: Modulation transfer functions, Stars, Modulation, Digital imaging, Spatial frequencies, Edge detection, Target detection, Super resolution, Sensors, Target acquisition

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Proceedings Article | 28 January 2009 Paper

Experimental color video capturing equipment with three 33-megapixel CMOS image sensors

Takayuki Yamashita, Steven Huang, Ryohei Funatsu, Barmak Mansoorian, Kohji Mitani, Yuji Nojiri

Proceedings Volume 7249, 72490H (2009) https://doi.org/10.1117/12.805493

KEYWORDS: Sensors, Imaging systems, Cameras, CMOS sensors, Signal processing, Image sensors, Modulation transfer functions, Video, Image resolution, Modulation

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Proceedings Article | 19 January 2009 Paper

A high-dynamic-range and high-resolution projector with dual modulation

Y. Kusakabe, M. Kanazawa, Y. Nojiri, M. Furuya, M. Yoshimura

Proceedings Volume 7241, 72410Q (2009) https://doi.org/10.1117/12.805468

KEYWORDS: Modulation, Projection systems, High dynamic range imaging, RGB color model, Image resolution, Signal processing, Modulation transfer functions, Video, Relays, LCDs

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Proceedings Article | 14 February 2008 Paper

Perceptual limit to display resolution of images as per visual acuity

Kenichiro Masaoka, Takahiro Niida, Miya Murakami, Kenji Suzuki, Masayuki Sugawara, Yuji Nojiri

Proceedings Volume 6806, 68061G (2008) https://doi.org/10.1117/12.767143

KEYWORDS: Visualization, Image resolution, Contrast sensitivity, Modulation transfer functions, Optical filters, Image filtering, Optical resolution, RGB color model, Image quality, Image processing

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Proceedings Article | 20 February 2007 Paper

Characteristics of experimental single-chip color HDTV image acquisition system with 8M-pixel image sensor

Hiroshi Shimamoto, Takayuki Yamashita, Ryohei Funatsu, Kohji Mitani, Yuji Nojiri

Proceedings Volume 6502, 65020Q (2007) https://doi.org/10.1117/12.705337

KEYWORDS: Imaging systems, Cameras, Modulation transfer functions, Signal processing, Image acquisition, Optical filters, Signal to noise ratio, Image resolution, Video, Solids

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Proceedings Article | 12 February 2007 Paper

Comparing realness between real objects and images at various resolutions

Kenichiro Masaoka, Masaki Emoto, Masayuki Sugawara, Yuji Nojiri

Proceedings Volume 6492, 64921F (2007) https://doi.org/10.1117/12.704947

KEYWORDS: Image resolution, Visualization, RGB color model, Image filtering, Spatial frequencies, Data modeling, Optical filters, Image processing, Modulation transfer functions, Image visualization

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Proceedings Article | 6 February 2006 Paper

A lateral chromatic aberration correction system for ultrahigh-definition color video camera

Takayuki Yamashita, Hiroshi Shimamoto, Ryohei Funatsu, Kohji Mitani, Yuji Nojiri

Proceedings Volume 6068, 60680N (2006) https://doi.org/10.1117/12.642969

KEYWORDS: Data corrections, Chromatic aberrations, Signal processing, Imaging systems, Cameras, Video, Zoom lenses, Tolerancing, Sensors, LCDs

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Proceedings Article | 6 February 2006 Paper

Experimental single-chip color HDTV image acquisition system with 8M-pixel CMOS image sensor

Hiroshi Shimamoto, Takayuki Yamashita, Ryohei Funatsu, Kohji Mitani, Yuji Nojiri

Proceedings Volume 6068, 606808 (2006) https://doi.org/10.1117/12.650488

KEYWORDS: Imaging systems, Cameras, Optical filters, Spatial frequencies, Image acquisition, CMOS sensors, Image sensors, Modulation transfer functions, Signal processing, Sensors

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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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SPIE Journal Paper | 1 January 2006

Spatial distortion prediction system for stereoscopic images

Kenichiro Masaoka, Atsuo Hanazato, Masaki Emoto, Hirokazu Yamanoue, Yuji Nojiri, Fumio Okano

JEI, Vol. 15, Issue 01, 013002, (January 2006) https://doi.org/10.1117/12.10.1117/1.2181178

KEYWORDS: Cameras, Distortion, Imaging systems, Stereoscopic cameras, 3D image processing, Head, 3D displays, Lenses, Visualization, Stereoscopic displays

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Proceedings Article | 21 May 2004 Paper

Visual comfort/discomfort and visual fatigue caused by stereoscopic HDTV viewing

Yuji Nojiri, Hirokazu Yamanoue, Atsuo Hanazato, Masaki Emoto, Fumio Okano

Proceedings Volume 5291, (2004) https://doi.org/10.1117/12.522018

KEYWORDS: Visualization, Cameras, Image fusion, Glasses, Distortion, Imaging systems, Prisms, Eye, Tolerancing, Image analysis

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Proceedings Article | 30 May 2003 Paper

Measurement of parallax distribution and its application to the analysis of visual comfort for stereoscopic HDTV

Yuji Nojiri, Hirokazu Yamanoue, Atsuo Hanazato, Fumio Okano

Proceedings Volume 5006, (2003) https://doi.org/10.1117/12.474146

KEYWORDS: Visualization, Visual analytics, Eye, 3D image processing, Error analysis, Image processing, Phase measurement, Image segmentation, Stereoscopic displays, Glasses

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Proceedings Article | 12 August 1992 Paper

Laser film recorder for HDTV

Yukio Sugiura, Yuji Nojiri, Hiroshi Hirabayashi, Shigeru Tamura

Proceedings Volume 1656, (1992) https://doi.org/10.1117/12.135899

KEYWORDS: Laser development, Sensors, Mirrors, Digital signal processing, Cameras, Interference (communication), Modulation, Video processing, Video, Color reproduction

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Proceedings Article | 12 August 1992 Paper

Laser telecine for HDTV

Hiroshi Hirabayashi, Yuji Nojiri, Yukio Sugiura, Shigeru Tamura

Proceedings Volume 1656, (1992) https://doi.org/10.1117/12.135904

KEYWORDS: Mirrors, Video, Laser development, Sensors, Data corrections, Image resolution, Reflection, Bragg cells, Photomultipliers, Signal processing

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Showing 5 of 15 publications

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