Dr. Kenichiro Masaoka Profile

Dr. Kenichiro Masaoka

at NHK Japan Broadcasting Corp

SPIE Involvement:

Author

Publications (8)

Proceedings Article | 13 March 2024 Presentation

Aerial display by use of plane-symmetric real-image forming optics and its modulation transfer function

Hirotsugu Yamamoto, Kazuaki Takiyama, Kenichiro Masaoka, Shiro Suyama

Proceedings Volume 12909, 129090J (2024) https://doi.org/10.1117/12.3008945

KEYWORDS: Modulation transfer functions, Microlens array, Retroreflectors, Reflectors, Micromirrors, Interfaces, Augmented reality

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Proceedings Article | 1 March 2019 Presentation + Paper

Real-time modulation transfer function measurement system

Kenichiro Masaoka

Proceedings Volume 10943, 1094309 (2019) https://doi.org/10.1117/12.2517201

KEYWORDS: Modulation transfer functions, Cameras, Imaging systems, Spatial frequencies, Optical filters, Phase shifts, Image sensors, Image processing, Spatial resolution, Visualization

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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 | 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 | 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 | 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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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 | 17 January 2005 Paper

Presence and preferable viewing conditions when using an ultrahigh-definition large-screen display

Kenichiro Masaoka, Masaki Emoto, Masayuki Sugawara, Fumio Okano

Proceedings Volume 5668, (2005) https://doi.org/10.1117/12.586619

KEYWORDS: Image resolution, Surface plasmons, Modulation transfer functions, Projection systems, Image quality standards, Image processing, Televisions, Scanners, Image quality, Virtual reality

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Showing 5 of 8 publications

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