Affiliation	Graduate School of Science and Technology ―Doctor course 2nd year
	Team	Reality Modeling
	Research theme	Visual Simulation of ‘Play of color’ Observed in Opal Using Voronoi-tessellation Model
	E-mail	soma.yokotafj.ics.keio.ac.jp
	Website	https://somayokota.me/en

Self-introduction

Since I was a child, I have loved Disney movies and been interested in computer graphics, which led me to join Fujishiro Laboratory.

Education

September 2023 – March 2025	Ph.D. in Information and Computer Science, Graduate School of Science and Technology, Keio University
April 2022 – September 2023	M.E. in Information and Computer Science, Graduate School of Science and Technology, Keio University
April 2019 – March 2022	B.E. in Information and Computer Science, Keio University

Publications

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Journals

Presentations

Refereeed

1. Soma Yokota，Issei Fujishiro: “Visual simulation of opal using bond percolation through the weighted Voronoi diagram and the Ewald construction,” Computer Graphics International 2024, Campas Biotech, Geneva, July 1-5, 2024.
2. Soma Yokota，Shumpei Sugita，Issei Fujishiro: “Visual Simulation of Opal Using 3D Voronoi Diagram -Reproduction of Play of Color-,” in Proceedings of Visual Computing 2022, Kyoto International Conference Center, Kyoto, pp. 17:1-17:6, October 6-8, 2022 (in Japanese).

Unrefereed

1. Mayuka Kuwana, Soma Yokota, Issei Fujishiro: “Single-material 3D printing with distributed transmittance,” in Proceedings of the 87th National Convention of Information Proceedings Society of Japan, March 15, 2025 (in Japanese).
2. Homare Onuki, Taku Kobayashi, Soma Yokota, Issei Fujishiro: “Reproduction of visibility changes based on atmospheric distributions,” in Proceedings of the 87th National Convention of Information Proceedings Society of Japan, March 14, 2025 (in Japanese).
3. Soma Yokota，Issei Fujishiro: “Opal rendering utilizing reciprocal space,” The 2nd Vision, Graphics and Sensing Workshop, April 19, 2024 (in Japanese).
4. Soma Yokota，Issei Fujishiro: “Visual simulation of opal—Representation of sintering and efficient search of diffracted ray direction—,” in Proceedings of SIG Technical Reports, Vol. 2023–CG–193, No. 11, pp. 1–6, March 18–19, 2024 (in Japanese).
5. Soma Yokota，Issei Fujishiro: “Modeling of Internal Structure of Opal Using 3D Additively Weighted Voronoi Tessellation,” in Proceedings of Visual Computing Workshop 2022, 8, November 25–26, 2022 [Abstract: The Journal of the Institute of Image Electionics Engineers of Japan, Vol. 52, No. 1, p. 248, January 2023] (in Japanese).
6. Soma Yokota，Shumpei Sugita，Issei Fujishiro: “Modeling of Opal Using 3D Voronoi Tessellation for Simulating Play of Color,” in Proceedings of Media Computing Conference 2022, Shiretoko, S10-3，pp. 1-6, September 2, 2022 (in Japanese).
7. Soma Yokota, Shumpei Sugita, Issei Fujishiro: “Visual Simulation of ‘Play of color’ Observed in Opal Using Voronoi-tessellation Model,” in Proceedings of SIG Technical Reports, Online, Vol. 2022–CG–185, No. 3, pp. 1-6, March 11-12,2022 (in Japanese).
8. Soma Yokota, Issei Fujishiro: “Voronoi Tessellation-based Opal Modeling for Visual Simulation of Play of Color,” in Proceedings of the 84th National Convention of Information Proceedings Society of Japan, Ehime University Johoku Campas, Ehime, March 3-5, 2022, Vol. 4, pp. 355-356 (7ZG–02) (in Japanese).

Awards

1. Soma Yokota: IPSJ Yamashita SIG Research Award, IPSJ SIG on CGVI, March 2025.
2. Soma Yokota: Best Presentation Award, IPSJ SIG on CGVI, June 2024.
3. Soma Yokota: Young Researcher Award, Media Computing Conference 2022, August 30, 2023.
4. Soma Yokota: CGVI Best Presentation Award, Visual Computing 2022, June 29, 2023.
5. Soma Yokota: CGVI Student Presetntation Award, Visual Computing 2022, June 29, 2023.
6. Soma Yokota，Shumpei Sugita，Issei Fujishiro: Polyphony Digital Award, Visual Computing 2022, October 8, 2022.
7. Soma Yokota: Student Encouragement Award, the 84th National Convention of Information Proceedings Society of Japan, October 8, 2022.

Others

1. SIGGRAPH Asia 2021 Student Volunteer