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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 24  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
AIT, 3DMT, OSJ-HODIC 2023-09-08
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
AIT, 3DMT, OSJ-HODIC 2023-09-08
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
AIT, 3DMT, OSJ-HODIC 2022-09-09
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
AIT, 3DMT, OSJ-HODIC 2022-09-09
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
3DMT 2021-10-19
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
AIT, 3DMT, OSJ-HODIC 2021-09-03
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
AIT, 3DMT, OSJ-HODIC 2021-09-03
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
AIT, 3DMT, OSJ-HODIC 2021-09-03
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
AIT, 3DMT, OSJ-HODIC 2020-09-25
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
AIT, 3DMT, OSJ-HODIC 2018-09-07
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
AIT, 3DMT, OSJ-HODIC 2016-09-06
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
AIT, 3DMT, OSJ-HODIC 2014-09-05
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
AIT, 3DMT, OSJ-HODIC 2012-09-07
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
AIT, IIEEJ 2012-03-16
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
3DMT, IDY, IST 2011-10-21
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
3DMT, IDY, IST 2011-10-21
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
AIT, 3DMT, OSJ-HODIC 2011-09-09
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
AIT, IIEEJ 2011-03-11
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
AIT, IIEEJ 2011-03-11
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
AIT, 3DMT, OSJ-HODIC 2010-09-10
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
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