Prof. Kenji Yamamoto Profile

Prof. Kenji Yamamoto

at Tokushima Univ

SPIE Involvement:

Conference Program Committee | Author

Publications (24)

SPIE Journal Paper | 27 April 2018 Open Access

Three-dimensional reflection screens fabricated by holographic wavefront printer (Erratum)

Ryutaro Oi, Ping-Yen Chou, Boaz Jessie Jackin, Koki Wakunami, Yasuyuki Ichihashi, Makoto Okui, Yi-Pai Huang, Kenji Yamamoto

OE, Vol. 57, Issue 06, 069801, (April 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.6.069801

KEYWORDS: Holography, Wavefronts, Printing, 3D displays, 3D printing, Electromagnetism, Communication engineering, Communication and information technologies, Photonics, Electro-optical engineering

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 19 February 2018 Paper

Hologram printing for next-generation holographic display

Kenji Yamamoto, Boaz Jessie Jackin, Koki Wakunami, Lode Jorissen, Yasuyuki Ichihashi, Makoto Okui, Ryutaro Oi

Proceedings Volume 10557, 105570O (2018) https://doi.org/10.1117/12.2289091

KEYWORDS: Holograms, Holography, Holographic optical elements

Read Abstract +

Proceedings Article | 19 February 2018 Paper

View synthesis from sparse camera array for pop-out rendering on hologram displays

Lode Jorissen, Jackin Boaz Jessie , Koki Wakunami, Kenji Yamamoto, Gauthier Lafruit, Philippe Bekaert

Proceedings Volume 10558, 105580K (2018) https://doi.org/10.1117/12.2288826

KEYWORDS: 3D modeling, Holograms, Holography, Visualization, Reconstruction algorithms, Visual process modeling

Read Abstract +

SPIE Journal Paper | 27 January 2018 Open Access

Three-dimensional reflection screens fabricated by holographic wavefront printer

Ryutaro Oi, Ping-Yen Chou, Jackin Boaz Jessie , Koki Wakunami, Yasuyuki Ichihashi, Makoto Okui, Yi-Pai Huang, Kenji Yamamoto

OE, Vol. 57, Issue 06, 061605, (January 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.6.061605

KEYWORDS: Printing, Holograms, Wavefronts, 3D displays, 3D printing, Holography, Projection systems, Holographic optical elements, Spatial light modulators, Mirrors

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 6 April 2017 Presentation + Paper

An analysis of printing conditions for wavefront overlapping printing

Y. Ichihashi, K. Yamamoto, K. Wakunami, R. Oi, M. Okui, T. Senoh

Proceedings Volume 10127, 101270L (2017) https://doi.org/10.1117/12.2251285

KEYWORDS: Wavefronts, Printing, 3D image reconstruction, Holograms, Holography, Spatial light modulators, Computer generated holography, Image analysis, LCDs, Image quality, Digital holography, Cameras, Image resolution, Light sources

Read Abstract +

Proceedings Article | 1 June 2016 Paper

Wavefront printing technique with overlapping approach toward high definition holographic image reconstruction

K. Wakunami, R. Oi, T. Senoh, H. Sasaki, Y. Ichihashi, K. Yamamoto

Proceedings Volume 9867, 98670J (2016) https://doi.org/10.1117/12.2229517

KEYWORDS: Wavefronts, Printing, 3D image reconstruction, Holograms, Holography, Diffraction, Spatial light modulators, 3D acquisition, 3D image processing, 3D printing

Read Abstract +

Proceedings Article | 22 May 2015 Paper

Reconstruct holographic 3D objects by double phase hologram

Chih-Hung Ting, Koki Wakunami, Kenji Yamamoto, Yi-Pai Huang

Proceedings Volume 9495, 94950V (2015) https://doi.org/10.1117/12.2184376

KEYWORDS: 3D displays, Holograms, Holography, Phase shift keying, Modulation, 3D image processing, 3D image reconstruction, Fringe analysis, Computer generated holography, Light sources

Read Abstract +

Proceedings Article | 5 June 2014 Paper

Integral photography capture and electronic holography display

Yasuyuki Ichihashi, Kenji Yamamoto

Proceedings Volume 9117, 91170P (2014) https://doi.org/10.1117/12.2049690

KEYWORDS: Holograms, Holography, Photography, 3D image reconstruction, Video, Spatial light modulators, 3D displays, 3D image processing, Diffraction, Video acceleration

Read Abstract +

SPIE Journal Paper | 6 March 2014

Multiview image and depth map coding for holographic TV system

Takanori Senoh, Koki Wakunami, Yasuyuki Ichihashi, Hisayuki Sasaki, Ryutaro Oi, Kenji Yamamoto

OE, Vol. 53, Issue 11, 112302, (March 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.11.112302

KEYWORDS: Image compression, Holograms, Holography, 3D image reconstruction, Image quality, Image transmission, Cameras, Computer programming, Speckle, Optical engineering

Read Abstract +

Proceedings Article | 25 February 2014 Paper

Viewing-zone-angle expansion of tiled color electronic holography reconstruction system

Takanori Senoh, Koki Wakunami, Yasuyuki Ichihashi, Hisayuki Sasaki, Ryutaro Oi, Kenji Yamamoto

Proceedings Volume 9006, 90060Z (2014) https://doi.org/10.1117/12.2035909

KEYWORDS: Spatial light modulators, Holograms, Holography, Light sources, Liquid crystal on silicon, Diffraction, Optical fibers, Camera shutters, Lenses, 3D image reconstruction

Read Abstract +

Proceedings Article | 1 March 2013 Paper

Study of a holographic TV system based on multi-view images and depth maps

Takanori Senoh, Yasuyuki Ichihashi, Ryutaro Oi, Hisayuki Sasaki, Kenji Yamamoto

Proceedings Volume 8644, 86440A (2013) https://doi.org/10.1117/12.2000570

KEYWORDS: Holograms, Holography, Image compression, 3D image processing, 3D image reconstruction, Cameras, Computer generated holography, Computer programming, Error analysis, Digital holography

Read Abstract +

Proceedings Article | 15 May 2012 Paper

3D visual systems using integral photography camera, camera array, and electronic holography display

Kenji Yamamoto, Yasuyuki Ichihashi, Takanori Senoh, Ryutaro Oi, Taiichiro Kurita

Proceedings Volume 8384, 838405 (2012) https://doi.org/10.1117/12.918315

KEYWORDS: Cameras, 3D displays, 3D image processing, 3D image reconstruction, Holograms, Photography, Holography, LCDs, Spatial filters, Visual system

Read Abstract +

Proceedings Article | 10 February 2012 Paper

Wide viewing-zone angle hologram generation using phase-shifting hologram capture for holographic media communications

Ryutaro Oi, Yasuyuki Ichihashi, Kenji Yamamoto, Takanori Senoh, Taiichiro Kurita

Proceedings Volume 8281, 828107 (2012) https://doi.org/10.1117/12.909536

KEYWORDS: Holograms, Phase shifts, Holography, Digital holography

Read Abstract +

Proceedings Article | 20 May 2011 Paper

Development of electronic holography toward ultra-realistic communication

Kenji Yamamoto, Yasuyuki Ichihashi, Takanori Senoh, Ryutaro Oi, Taiichiro Kurita

Proceedings Volume 8043, 804312 (2011) https://doi.org/10.1117/12.883337

KEYWORDS: 3D image reconstruction, Holography, 3D image processing, Holograms, 3D displays, Image compression, Image visualization, Imaging systems, Cameras, Image processing

Read Abstract +

Proceedings Article | 11 May 2011 Paper

Computer-generated hologram for 3D display from ray information on tilted surface

Kenji Yamamoto, Takanori Senoh, Ryutaro Oi, Yasuyuki Ichihashi, Taiichiro Kurita

Proceedings Volume 8074, 807406 (2011) https://doi.org/10.1117/12.886234

KEYWORDS: Computer generated holography, 3D displays, Holography, Computer graphics, Holograms, Current controlled current source, Wave propagation

Read Abstract +

Proceedings Article | 7 February 2011 Paper

Wide viewing-zone-angle full-color electronic holography system using very high resolution liquid crystal display panels

Takanori Senoh, Tomoyuki Mishina, Kenji Yamamoto, Ryutaro Oi, Taiichiro Kurita

Proceedings Volume 7957, 795709 (2011) https://doi.org/10.1117/12.876763

KEYWORDS: Holograms, Holography, 3D image reconstruction, LCDs, Monochromatic aberrations, RGB color model, Time division multiplexing, Diffraction, Light sources, Light

Read Abstract +

Proceedings Article | 7 February 2011 Paper

Holographic stereogram using camera array in dense arrangement

Kenji Yamamoto, Ryutaro Oi, Takanori Senoh, Yasuyuki Ichihashi, Taiichiro Kurita

Proceedings Volume 7957, 795703 (2011) https://doi.org/10.1117/12.873028

KEYWORDS: Cameras, Holography, Stereo holograms, 3D displays, Stereoscopic cameras, Holograms, Signal processing, Current controlled current source, Fourier transforms, Optical design

Read Abstract +

Proceedings Article | 11 February 2010 Paper

Real-time color holography system for live scene using 4K2K video system

Kenji Yamamoto, Tomoyuki Mishina, Ryutaro Oi, Takanori Senoh, Taiichiro Kurita

Proceedings Volume 7619, 761906 (2010) https://doi.org/10.1117/12.840589

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

Read Abstract +

Proceedings Article | 11 February 2010 Paper

Fresnel hologram generation using an HD resolution depth range video camera

Ryutaro Oi, Tomoyuki Mishina, Kenji Yamamoto, Takanori Senoh, Taiichiro Kurita

Proceedings Volume 7619, 76190Z (2010) https://doi.org/10.1117/12.841817

KEYWORDS: Holograms, Cameras, 3D image reconstruction, Spatial light modulators, Video, Diffraction, Data conversion, Liquid crystal on silicon, Reconstruction algorithms, Image resolution

Read Abstract +

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

Read Abstract +

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

Read Abstract +

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

Read Abstract +

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

Read Abstract +

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

Read Abstract +