| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| OSJ-HODIC, AIT, 3DMT, IDY, IEICE-EID, IEE-OQD, SID-JC |
2025-09-18
14:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg
(Primary: On-site, Secondary: Online) |
Efficient Calculation of Wide Field-of-View CGH Based on Orthographic Ray-Wavefront Conversion
Aya Kudo (Science Tokyo), Ryo Higashida (NHK), Saori Takeyama, Masahiro Yamaguchi (Science Tokyo) |
In this study, we develop a new calculation method based on orthographic ray–wavefront conversion for wide field-of-view... [more] |
IDY2025-47 AIT2025-189 3DMT2025-32
pp.29-32 |
| SMC |
2025-07-24
10:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online) |
Fabrication of Large-Scale Full-Color Stacked CGVH Using Tiling Contact-Copy
Tomoya Yamamoto, Hirohito Nishi, Kyoji Matsushima (Kansai Univ.) |
A stacked CGVH fabricated by stacking three computer-generated volume holograms (CGVH) for RGB features bright and sharp... [more] |
|
| SMC |
2025-07-24
10:35 |
Tokyo |
Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online) |
Fabrication of full-color stacked CGVH using Denisyuk-type wavefront printer
Yoshimoto Kazuki, Nishi Hirohito, Matsushima Kyoji (Kansai Univ.) |
A stacked CGVH fabricated by stacking three computer-generated volume holograms (CGVH) features highquality full-color ... [more] |
|
| SMC |
2025-07-24
16:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online) |
Full-Parallax High-Definition CGH Created Using Ray-Sampling Plane and Free-Viewpoint Images with NeRF
Tada Kengo, Nishi Hirohito, Matsushima Kyoji (Kansai Univ.) |
The method using the ray-sampling plane (RSP) is one of powerful techniques to create full-parallax high-definition comp... [more] |
|
| OSJ-HODIC, AIT, 3DMT, IDY, IEICE-EID, IEE-OQD, SID-JC |
2024-09-02
10:40 |
Tokyo |
Kikai-Shinko-Kaikan Bldg
(Primary: On-site, Secondary: Online) |
Scaling of 3D Image of Real Object in Full-Color Full-Parallax High-Definition CGH Created Using Ray-Sampling Plane
Tada Kengo, Hirohito Nishi, Kyoji Matsushima (Kansai Univ.) |
The ray-sampling plane (RSP) method is a powerful technique for fabricating full-parallax high-definition computer-gener... [more] |
IDY2024-33 AIT2024-155 3DMT2024-44
pp.9-12 |
| OSJ-HODIC, AIT, 3DMT, IDY, IEICE-EID, IEE-OQD, SID-JC |
2024-09-02
13:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg
(Primary: On-site, Secondary: Online) |
[Invited Talk]
Recent advances in computation and fabrication techniques in full-color full-parallax high-definition computer holography
Kyoji Matsushima, Hirohito Nishi, Chang-Joo Lee, Shunsuke Fujiki, Ryosuke Katsura (Kansai Univ.) |
This paper reports on the latest advances in fabrication and computation techniques of full-color computer-generated hol... [more] |
IDY2024-37 AIT2024-159 3DMT2024-48
pp.25-32 |
| OSJ-HODIC, AIT, 3DMT, IDY, IEICE-EID, IEE-OQD, SID-JC |
2024-09-02
17:40 |
Tokyo |
Kikai-Shinko-Kaikan Bldg
(Primary: On-site, Secondary: Online) |
Fabrication of Large-Scale Computer-Generated Volume Hologram Using Tiling Contact-Copy
Tomoya Yamamoto, Hirohito Nishi, Kyoji Matsushima (Kansai Univ.) |
Because of excellent spectral property, computer-generated volume holograms (CGVH) can reconstruct bright and sharp 3D i... [more] |
IDY2024-46 AIT2024-168 3DMT2024-57
pp.64-67 |
| AIT, 3DMT, OSJ-HODIC |
2023-09-08
13:35 |
Tokyo |
Nihon Univ. College of Science and Technology (Surugadai Campus) |
Print of full-parallax high-definition CGVH using Denisyuk-type wavefront printer
Yuki Takemura, Hirohito Nishi, Kyoji Matsushima (Kansai Univ.) |
A Denisyuk-type wavefront printer is developed for printing computer-generated volume holograms (CGVH) in a single step,... [more] |
AIT2023-139 3DMT2023-26
pp.1-4 |
| AIT, 3DMT, OSJ-HODIC |
2023-09-08
14:25 |
Tokyo |
Nihon Univ. College of Science and Technology (Surugadai Campus) |
Wave-optical characteristics of wavefield calculated using ray-sampling plane
Ryosuke katsura, Hirohito Nishi, Kyoji Matsushima (Kansai Univ.) |
The ray-sampling plane (RSP) method is a powerful method for calculating object waves from multi-viewpoint images in ful... [more] |
AIT2023-141 3DMT2023-28
pp.9-12 |
| AIT, 3DMT, OSJ-HODIC |
2022-09-09
13:05 |
Online |
|
Generation of Laguerre-Gaussian beam on equator of hybrid-order Poincare sphere by double-phase hologram
Yuto Nakamura, Takashi Kakue, Ken Morita, Tomoyoshi Shimobaba, Tomoyoshi Ito (Chiba Univ) |
Light of a complex polarization state which is mapped on hybrid-order Poincare sphere can be generated by superposition ... [more] |
AIT2022-166 3DMT2022-34
pp.1-4 |
| AIT, 3DMT, OSJ-HODIC |
2022-09-09
15:40 |
Online |
|
Removing the multiple images for the polynomial approximated hologram
Harutaka Shiomi, Tomoyoshi Shimobaba, Takashi Kakue, Tomoyoshi Ito (Chiba Univ.) |
The computational complexity of hologram calculation methods with point-cloud data is proportional to the number of obje... [more] |
AIT2022-170 3DMT2022-38
pp.17-20 |
| 3DMT |
2021-10-19
13:20 |
Online |
Online |
Memory Reduction of the Elemental Hologram Method Based on Combining Point Clouds
Ryota Koiso, Ryosuke Watanabe, Keisuke Nonaka, Tatsuya Kobayashi (KDDI Research, Inc.) |
A rendering method for computer-generated hologram (CGH) using a ray-tracing method has been proposed to reconstruct ima... [more] |
3DIT2021-39
pp.37-40 |
| AIT, 3DMT, OSJ-HODIC |
2021-09-03
14:05 |
Online |
|
Application of radial point spread function to hologram acceleration method
Daiki Yasuki, Tomoyoshi Shimobaba, Takashi Kakue, Tomoyoshi Ito (Chiba Univ.) |
Holograms can be computed by superimposing a point spread function (PSF), which represents the distribution of light on ... [more] |
AIT2021-135 3DIT2021-24
pp.9-12 |
| AIT, 3DMT, OSJ-HODIC |
2021-09-03
14:35 |
Online |
|
A high-speed hologram calculation using 3D scene compression by wavelet transform: WASABI-2
Harutaka Shiomi, Tomoyoshi Shimobaba, Takashi Kakue, Tomoyoshi Ito (Chiba Univ) |
When creating holograms from RGBD images, it is necessary to generate slice images from the RGBD image and then calculat... [more] |
AIT2021-136 3DIT2021-25
pp.13-16 |
| AIT, 3DMT, OSJ-HODIC |
2021-09-03
16:20 |
Online |
|
Speckleless reconstructed image display at multi-viewpoints using convergent light in CGH
Tatsuya Oshinomi, Masaya Mitobe, Yuji Sakamoto (Hokkaido Univ) |
There is a method to suppress the influence of speckle by converging the object light to a viewpoint in Computer-generat... [more] |
AIT2021-139 3DIT2021-28
pp.25-28 |
| AIT, 3DMT, OSJ-HODIC |
2020-09-25
13:40 |
Online |
Video Conference |
Special-purpose computer for amplitude and phase electroholography using Xilinx Alveo U250
Yota Yamamoto, Tomoyoshi Shimobaba, Takashi Kakue (Chiba Univ.), Nobuyuki Masuda (TUS), Tomoyoshi Ito (Chiba Univ.) |
Holography, which can reproduce the wavefront of light, has been attracting attention as a 3D display that can satisfy a... [more] |
AIT2020-171 3DIT2020-12
pp.1-4 |
| AIT, 3DMT, OSJ-HODIC |
2018-09-07
13:00 |
Tokyo |
The University of Electro-Communications |
Compensation for substrate aberration in creating stacked-volume CGHs
Orie Kunieda, Kyoji Matsushima (Kansai Univ.) |
The technique of stacked-volume CGHs allow us to create full-color computer-generated holograms (CGH). But this techniqu... [more] |
AIT2018-172 3DIT2018-14
pp.1-4 |
| AIT, 3DMT, OSJ-HODIC |
2016-09-06
15:00 |
Tokyo |
Surugadai campus, Nihon univ. |
Reconstruction of full-parallax high-definition CGHs calculated by point cloud with GPU
Noriaki Nakatsuji, Kyoji Matsushima (Kansai Univ.), Tomoyoshi Ito, Tomoyoshi Shimobaba (Chiba Univ.) |
Full-parallax high-definition CGHs were mainly created by using the polygon-based method because of the computation time... [more] |
AIT2016-150 3DIT2016-26
pp.13-16 |
| AIT, 3DMT, OSJ-HODIC |
2014-09-05
13:30 |
Chiba |
Funabashi Campus, Nihon Univ. |
Acceleration of the switch-back technique for fast occlusion processing in computer holograph
Sachio Masuda, Kyoji Matsushima, Sumio Nakahara (Kansai Univ.) |
Appropriate occlusion-processing is absolutely necessary for reconstruction of fine 3D images in computer holography. A ... [more] |
AIT2014-114 3DIT2014-36
pp.5-8 |
| AIT, 3DMT, OSJ-HODIC |
2012-09-07
16:20 |
Chiba |
Funabashi Campus, Nihon Univ. |
Development of software tools for scene design and numerical synthesis of object fields in computer holography
Shumpei Murata, Kyoji Matsushima (Kansai Univ.) |
Computer-generated holograms that reconstruct object fields synthesized by polygon-based method or captured by digitized... [more] |
AIT2012-115 3DIT2012-48
pp.25-28 |