| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| OSJ-HODIC, AIT, 3DMT, IDY, IEICE-EID, IEE-OQD, SID-JC |
2024-09-02
10:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg
(Primary: On-site, Secondary: Online) |
Hologram computation using separable Fraunhofer diffraction
Noritomo Okamoto, Wang Fan, Tomoyoshi Ito, Tomoyoshi Shimobaba (Chiba Univ.) |
Computational holography requires a large amount of time to generate holograms. One of methods to solve this problem is ... [more] |
IDY2024-31 AIT2024-153 3DMT2024-42
pp.1-4 |
| OSJ-HODIC, AIT, 3DMT, IDY, IEICE-EID, IEE-OQD, SID-JC |
2024-09-02
10:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg
(Primary: On-site, Secondary: Online) |
Simplification of Hologram Computation by Bipolar Approximation and Comparison of Reproduced Images
Fujima Yudai (Chiba Univ.), Alejandro Velez-Zea (Universidad de Antioquia UdeA), Wang fan, Tomoyoshi Ito, Tomoyoshi Shimobaba (Chiba Univ.) |
Computer-generated holograms (CGH) usually require the computation of a large number of trigonometric functions. Look-up... [more] |
IDY2024-32 AIT2024-154 3DMT2024-43
pp.5-8 |
| OSJ-HODIC, AIT, 3DMT, IDY, IEICE-EID, IEE-OQD, SID-JC |
2024-09-02
11:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg
(Primary: On-site, Secondary: Online) |
Logarithmic Spectra for Elevating Hologaphic Reconstruction Quality
Yogi Udjaja, David Blinder, Tomoyoshi Shimobaba, Tomoyoshi Ito (Chiba Univ.) |
This study explores recent advancements in holographic reconstruction, focusing particularly on enhancing the quality of... [more] |
IDY2024-36 AIT2024-158 3DMT2024-47
pp.21-24 |
| OSJ-HODIC, AIT, 3DMT, IDY, IEICE-EID, IEE-OQD, SID-JC |
2024-09-02
17:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg
(Primary: On-site, Secondary: Online) |
Image reconstruction of a Fourier incoherent hologram using a 2D FFT circuit
Takayuki Hara (NIT (KOSEN), Nagano College/ Chiba Univ.), Takashi Kakue, Takaho Ueyama, Tomoyoshi Shimobaba, Tomoyoshi Ito (Chiba Univ.) |
In recent years, research is being conducted on a video camera capable of time super-resolution imaging based on Fourier... [more] |
IDY2024-44 AIT2024-166 3DMT2024-55
pp.56-59 |
| AIT, 3DMT, OSJ-HODIC |
2023-09-08
17:15 |
Tokyo |
Nihon Univ. College of Science and Technology (Surugadai Campus) |
|
Phase unwrapping is a technique used to recover the original phase from the wrapped phase in the range (−π, π]. Conventi... [more] |
AIT2023-147 3DMT2023-34
pp.33-36 |
| 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
14:15 |
Online |
|
Design and Implementation of Fresnel Diffraction Circuit for Incoherent Digital Holography
Takayuki Hara (Chiba Univ./NITNC), Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito (Chiba Univ.) |
We designed and implemented a Fresnel diffraction circuit for incoherent digital holography. We focused on multiwaveleng... [more] |
AIT2022-168 3DMT2022-36
pp.9-12 |
| 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 |
| 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 |
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 |
2020-09-25
14:15 |
Online |
Video Conference |
Image quality improvement algorithm in phase type holographic projector
Yumi Yamaguchi (Chiba Univ), Yuki Nagahama (Agriculture and Technology Univ), Yota Yamamoto, Takashi Kakue, Tomoyoshi Ito, Tomoyoshi Shimobaba (Chiba Univ) |
[more] |
AIT2020-172 3DIT2020-13
pp.5-10 |
| AIT, 3DMT, OSJ-HODIC |
2020-09-25
15:05 |
Online |
Video Conference |
wavelength-multiplexed phase-shifting incoherent multicolor digital holography
Takayuki Hara (Chiba Univ.), Tatsuki Tahara, Yasuyuki Ichihashi, Ryutaro Oi (NICT), Tomoyoshi Ito (Chiba Univ.) |
We present wavelength-multiplexed phase-shifting incoherent multicolor digital holography, which is a technique that rec... [more] |
AIT2020-173 3DIT2020-14
pp.11-15 |
| AIT, 3DMT, OSJ-HODIC |
2019-09-13
14:10 |
Tokyo |
Tokyo Metropolitan University |
Yumi Yamaguchi (Chiba Univ.), Yuki Nagahama (TUAT.), Yota Yamamoto, Tomoyoshi Shimobaba, Takshi Kakue, Tomoyoshi Ito (Chiba Univ.) |
[more] |
AIT2019-182 3DIT2019-19
pp.9-12 |
| AIT, 3DMT, OSJ-HODIC |
2018-09-07
14:10 |
Tokyo |
The University of Electro-Communications |
Design and evaluation of the cosine approximation circuit for holographic calculation
Takashi Nishitsuji (TMU), Yota Yamamoto, Takashige Sugie, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito (Chiba Univ.) |
[more] |
AIT2018-174 3DIT2018-16
pp.9-12 |
| AIT, 3DMT, OSJ-HODIC |
2018-09-07
15:00 |
Tokyo |
The University of Electro-Communications |
Special-purpose computer HORN-8 for a real-time electroholography
Yota Yamamoto, Takashige Sugie (Chiba Univ.), Takashi Nishitsuji (TMU), Tomoyoshi Shimobaba, Takashi Kakue, Tomoyoshi Ito (Chiba Univ.) |
Electroholography attracts attention as an ideal 3D image display method. However, it has not realized yet due to the va... [more] |
AIT2018-175 3DIT2018-17
pp.13-16 |
| IEICE-MRIS, MMS |
2017-12-07
13:20 |
Ehime |
Ehime Univ. |
Holographic memory using deep learning
Tomoyoshi Shimobaba, Miduha Honma, Takashi Kakue, Tomoyoshi Ito (Chiba Univ.) |
[more] |
|
| AIT, 3DMT, OSJ-HODIC |
2017-09-15
15:25 |
Tokyo |
Tokyo Institute of Technology |
Precision improvement method of simple cosine approximation technique for holographic calculation
Takashi Nishitsuji (MELCO), Tomoyoshi Shimobaba, Takashi Kakue (Chiba Univ.), Seiji Okumura (MELCO), Tomoyoshi Ito (Chiba Univ.) |
An approximation of the cosine function is one of the solution for reducing the computational load in holographic calcul... [more] |
AIT2017-164 3DIT2017-27
pp.21-24 |
| 3DMT |
2017-03-07
13:25 |
Tokyo |
|
Evaluation of viewing zone and parallax of reconstructed image projected to fog display by integral photography
Keisuke Uchigata, Takashi Kakue, Yutaka Endo, Tomoyoshi Shimobaba (Chiba Univ.), Yasuyuki Ichihashi, Kenji Yamamoto (NICT), Tomoyoshi Ito (Chiba Univ.) |
[more] |
3DIT2017-2
pp.5-7 |
| 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 |