Ambient Display Utilizing Anisotropy of Tatami
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19th International Conference on Tangible Embedded and Embodied Interaction(TEI2025)
![• Ambient display
• Transitioning information from screens to the physical environment
• Seamlessly integrating into natural environments
4
Background: Visual Display Using Physical Materials
Sand [Disney Research, 2015]
Carpets [Yamamoto, 2021]](https://image.slidesharecdn.com/teikitamura-250313182339-572456b0/85/Ambient-Display-Utilizing-Anisotropy-of-Tatami-4-320.jpg)
![• Individual pixel control enabled
5
Related Work: Dynamic Physical Object Display
Magnetic pins [Yasu, 2022]
Bubble [Sareen, 2023]
Grass [Tanaka, 2023]
Ion [Ishii, 2022]](https://image.slidesharecdn.com/teikitamura-250313182339-572456b0/85/Ambient-Display-Utilizing-Anisotropy-of-Tatami-5-320.jpg)
![• Displays utilizing anisotropy
• Object's characteristics change depending on direction
• Different expressions by changing the viewpoint or light source position
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Related Work: Displays Utilizing Anisotropy
Wood [Rozin][1]
Carpet [Sugiura, 2014]
[1] “Daniel Rozin's wooden mirror and how it works.” OpenLearn from The Open University https://www.youtube.com/watch?v=BZysu9QcceM (2025/2/26)](https://image.slidesharecdn.com/teikitamura-250313182339-572456b0/85/Ambient-Display-Utilizing-Anisotropy-of-Tatami-6-320.jpg)
Ambient Display Utilizing Anisotropy of Tatami
- 1. Ambient Display Utilizing Anisotropy of Tatami Riku Kitamura1)* , Kenji Yamada2) * , Takumi Yamamoto1) , Yuta Sugiura1) 1)Keio University, 2)Japanese Floor * Both authors contributed equally to this research.
- 2. Ambient Display Utilizing Anisotropy of Tatami Riku Kitamura1)* , Kenji Yamada2) * , Takumi Yamamoto1) , Yuta Sugiura1) 1)Keio University, 2)Japanese Floor * Both authors contributed equally to this research. Static display
- 3. Ambient Display Utilizing Anisotropy of Tatami Riku Kitamura1)* , Kenji Yamada2) * , Takumi Yamamoto1) , Yuta Sugiura1) 1)Keio University, 2)Japanese Floor * Both authors contributed equally to this research. Dynamic display
- 4. • Ambient display • Transitioning information from screens to the physical environment • Seamlessly integrating into natural environments 4 Background: Visual Display Using Physical Materials Sand [Disney Research, 2015] Carpets [Yamamoto, 2021]
- 5. • Individual pixel control enabled 5 Related Work: Dynamic Physical Object Display Magnetic pins [Yasu, 2022] Bubble [Sareen, 2023] Grass [Tanaka, 2023] Ion [Ishii, 2022]
- 6. • Displays utilizing anisotropy • Object's characteristics change depending on direction • Different expressions by changing the viewpoint or light source position 6 Related Work: Displays Utilizing Anisotropy Wood [Rozin][1] Carpet [Sugiura, 2014] [1] “Daniel Rozin's wooden mirror and how it works.” OpenLearn from The Open University https://www.youtube.com/watch?v=BZysu9QcceM (2025/2/26)
- 7. 7 Our Approach: Static and Dynamic Tatami Display Ambient Display Utilizing Anisotropy of Tatami • Tatami is a traditional Japanese flooring material • Allow information and art to blend naturally into living space Static display Dynamic display
- 8. • Primarily used in traditional japanese rooms and architecture • Decreasing production year by year • Aim to discover new value in tatami 8 Tatami: Symbol of Japanese Culture
- 9. 9 Tatami: Tatami Description • Igusa (rush) • Natural fragrance and texture • Static display • Washi (paper) • Resistant to moisture and dirt • Dynamic display (Surface) (Base)
- 10. • Directionality exists on the tatami surface (Anisotropy) • Color appears to change due to the anisotropy of the surface • Rotating the tatami changes the brightness of the surface 10 Principle: Reason for Color Change
- 12. Check the lighting conditions in the venue Sketch the design Adjust the design to fit the exhibition space size 12 Static Display: Production Process a b c
- 13. Cut materials according to the template (both base and surface) 13 Static Display: Production Process d e
- 14. Tatami is cut and folded Install in the exhibition space • Requires skill, but results in a highly expressive artwork 14 Static Display: Production Process f g h
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- 17. • 1 Module Consists of 16 Circular Tatami • Each Module Has a Side Length of 26.8 cm and a Height of 44 mm 17 Dynamic Display: System Configurations
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- 19. • Exhibited for one month in Kyoto and Nagoya in Japan • Static Display • Maintains the functionality of tatami that can be stepped on, while retaining artistic value • Dynamic Display • Fusion of technology and traditional culture, along with stability 19 Exhibition
- 20. • Static Display • Creation of design tools • Dynamic Display • Interactive experience • Color Expression • Not fully investigated • User Study • Only interviews conducted during demo this time • Use Case • Expanding expressive capabilities and providing interactive experiences 20 Future Work
- 21. • Static Display • Creation of design tools • Dynamic Display • Interactive experience • Color Expression • Not fully investigated • User Study • Only interviews conducted during demo this time • Use Case • Expanding expressive capabilities and providing interactive experiences 21 Future Work
- 22. 22 Summary: Ambient Display Utilizing Anisotropy of Tatami Riku Kitamura1)* , Kenji Yamada2) * , Takumi Yamamoto1) , Yuta Sugiura1) 1)Keio University, 2)Japanese Floor * Both authors contributed equally to this research. Background Digital signage does not blend well with natural environments. Motivation Display adapted to Japanese culture and the creation of new value for tatami. Our approach Ambient Display Utilizing Anisotropy of Tatami Implementation Static and Dynamic display Limitation Static: Craftsmanship is required Dynamic: Load-bearing capacity Future work Creation of design tools and providing interactive experiences Investigation of color expression.