Designing a 4D Digital Archive for Ikebana – Ishiguro Laboratory, The University of Tokyo
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Designing a 4D Digital Archive for Ikebana
We proposed the design of a 4D digital viewing system for archiving the embodied creation process of Ikebana. Using twenty-two synchronized fixed cameras and a grasses type eye tracker, our system captures full-body motion, the evolving flower arrangements, and gaze behavior. Camera poses are estimated with COLMAP, and each video frame is independently reconstructed using 3D Gaussian Splatting, resulting in a space-time sequence that can be interactively viewed from arbitrary angles. This frame-wise reconstruction strategy lowers computational load and avoids temporal drift, enabling long-duration recordings on moderate hardware while maintaining spatial coherence. The resulting archive integrates body kinematics, spatial composition, frontal aesthetics, and visual attention, creating a rich, interpret able resource for researchers, educators, and practitioners. By making previously tacit techniques to systematic observation, the method supports both the cultural preservation of Ikebana and the development of new forms of skill transmission.
This is a collaborative research project with Assoc. Prof. Yokokubo of the Yokokubo Laboratory, Interfaculty Initiative in Information Studies, The University of Tokyo.
東京大学情報学環 横窪研 横窪先生との共同研究です．
Yokokubo, A., Ishiguro, Y., Taketani, K., Hori, C., Rekimoto, J.,and Koshizuka, N.(2025) Designing a 4D Digital Archive for Ikebana: Toward Scalable and Interpretable Interactive Archiving of Cultural Performance, in Chang, C.-Y., Chen, C.-H., & Hsu, Y. (eds.), IASDR 2025: Design Next, 02-05 December, Taipei, Taiwan. https://doi.org/10.21606/iasdr.2025.807
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