| Paper Abstract and Keywords |
| Presentation |
2026-07-31 09:00
CGH Computation Method for High-Fidelity 3D Imaging Considering Optical Interactions Between Real and Virtual Objects
Aya Kudo (Science Tokyo), Ryo Higashida (NHK), Saori Takeyama, Masahiro Yamaguchi (Science Tokyo) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
In computer-generated holography (CGH), high-fidelity reproduction of real objects is essential. However, conventional methods fix surface reflection characteristics to the captured environment, which degrades reality due to illumination mismatches when placed in different environments. Additionally, 3D scanning of transparent or glossy objects is difficult. Furthermore, CGH computation methods fusing real and virtual objects also face challenges in reproducing their optical interactions. To address these issues, we propose a CGH c[MOU2.1]omputation method that integrates 3D-scanned models of real objects with computer-modeled virtual objects within the same 3D space, where rays of the entire scene are sampled collectively. This approach enables relighting independent of the capturing environment and reproducing optical interactions. Numerical simulations demonstrated the effectiveness of the proposed method in material representation and optical interaction reproduction. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
CGH / Sense of Presence / Material Representation / / / / / |
| Reference Info. |
ITE Tech. Rep. |
| Paper # |
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| Download PDF |
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| Conference Information |
| Committee |
SMC |
| Conference Date |
2026-07-30 - 2026-07-31 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
spatial media conference 2026 |
| Paper Information |
| Registration To |
SMC |
| Conference Code |
2026-07-SMC |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
CGH Computation Method for High-Fidelity 3D Imaging Considering Optical Interactions Between Real and Virtual Objects |
| Sub Title (in English) |
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| Keyword(1) |
CGH |
| Keyword(2) |
Sense of Presence |
| Keyword(3) |
Material Representation |
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| 1st Author's Name |
Aya Kudo |
| 1st Author's Affiliation |
Institute of Science Tokyo (Science Tokyo) |
| 2nd Author's Name |
Ryo Higashida |
| 2nd Author's Affiliation |
NHK Science & Technology Research Laboratories (NHK) |
| 3rd Author's Name |
Saori Takeyama |
| 3rd Author's Affiliation |
Institute of Science Tokyo (Science Tokyo) |
| 4th Author's Name |
Masahiro Yamaguchi |
| 4th Author's Affiliation |
Institute of Science Tokyo (Science Tokyo) |
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| Speaker |
Author-1 |
| Date Time |
2026-07-31 09:00:00 |
| Presentation Time |
20 minutes |
| Registration for |
SMC |
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| Volume (vol) |
vol. |
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