| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| 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 |
| AIT, IIEEJ |
2012-03-16
15:20 |
Tokyo |
Tokyo Polytechnic Univ. |
Stereogram
Tatsuto Kimura (Tama Art Univ.) |
It is stereogram by 3DCG which I developed in Lithuanian Geola company. [more] |
AIT2012-66
pp.117-118 |
| 3DMT, IDY, IST |
2011-10-21
14:10 |
Tokyo |
|
A Time-Division Electro-Holography with Enhanced Viewing-Angle by Switching LD Source
Atsushi Matsuda, Isao Teraguchi, Kyoji Matsushima (Kansai Univ.) |
A novel technique is proposed for expanding the horizontal viewing-angle by employing time-division method in electro-ho... [more] |
IST2011-64 IDY2011-55 3DIT2011-85
pp.23-26 |
| 3DMT, IDY, IST |
2011-10-21
14:45 |
Tokyo |
|
A basic research for rendering of transparent objects in polygon-based computer-generated hologram
Hirohito Nishi, Kyoji Matsushima, Sumio Nakahara (Kansai Univ.) |
A novel rendering technique is attempted for reconstructing transparent objects in polygon-based method. In this techniq... [more] |
IST2011-65 IDY2011-56 3DIT2011-86
pp.27-30 |
| AIT, 3DMT, OSJ-HODIC |
2011-09-09
14:15 |
Chiba |
Nihon Univ. |
High-Definition Image CGH Created by Polygon-Based Method and its Reconstruction by White Light
Hiroshi Yamashita, Kyoji Matsushima, Sumio Nakahara (Kansai Univ.) |
Image-type binary CGHs commonly lost the surface shading and texture-mapping in the optical reconstruction. This is caus... [more] |
AIT2011-69 3DIT2011-66
pp.13-16 |
| AIT, IIEEJ |
2011-03-11
15:35 |
Tokyo |
Tokyo Denki Univ. |
Smooth shading of specular surfaces rendered by the polygon-based method
Hirohito Nishi, Kyoji Matsushima, Sumio Nakahara (Kansai Univ.) |
High-definition computer-generated holograms (CGH) created by the polygon-based method feature reconstruction of very fi... [more] |
AIT2011-33
pp.77-80 |
| AIT, IIEEJ |
2011-03-11
16:20 |
Tokyo |
Tokyo Denki Univ. |
The making condition in Fourier transform type hologram is considered.
Masataka Tozuka, Koki Sato (SIT), Kunihiko Takano (Tokyo Metropolitan College of Industrial Technology), Makoto Ohki (SIT) |
Recently, the processing speed at which the hologram is made has been sped up by two or more cores CPU and the GPGPU use... [more] |
AIT2011-36
pp.89-92 |
| AIT, 3DMT, OSJ-HODIC |
2010-09-10
13:25 |
Chiba |
Nihon Univ. |
Computer-generated holograms of real objects captured by using synthetic-aperture digital holography
Yasuaki Arima, Kyoji Matsushima, Sumio Nakahara (Kansai Univ.) |
The wave field of real objects can be recorded by using digital holography. However, the resolution of common image sens... [more] |
AIT2010-109 3DIT2010-50
pp.5-8 |