FuwaFuwa: Detecting Shape Deformations on Soft Objects Using Directional Photo-reflectivity Measurements
Yuta Sugiura, Gota Kakehi, Anusha Withana, Calista Lee, Daisuke Sakamoto, Maki Sugimoto, Masahiko Inami and Takeo Igarashi
We present the FuwaFuwa sensor module, a round, hand-size, wireless device for measuring the shape deformations of soft objects such as cushions and plush toys. It can be embedded in typical soft objects in the household without complex installation procedures and without spoiling the softness of the object because it requires no physical connection. Six LEDs in the module emit IR light in six orthogonal directions, and six corresponding photosensors measure the reflected light energy. One can easily convert almost any soft object into a touch-input device that can detect both touch position and surface displacement by embedding multiple FuwaFuwa sensor modules in the object. A variety of example applications illustrate the utility of the FuwaFuwa sensor module. An evaluation of the proposed deformation measurement technique confirms its effectiveness.
- Yuta Sugiura, Gota Kakehi, Anusha Withana, Calista Lee, Daisuke Sakamoto, Maki Sugimoto, Masahiko Inami and Takeo Igarashi,
"FuwaFuwa: Detecting Shape Deformation of Soft Objects Using Directional Photoreflectivity Measurement",
In Proceedings of the 24th annual ACM symposium on User interface software and technology (UIST 2011), pp.509-516, October 16-19, Santa Barbara, CA.
- Gota Kakehi, Yuta Sugiura, Anusha Withana, Calista Lee, Naohisa Nagaya, Daisuke Sakamoto, Maki Sugimoto, Masahiko Inami and Takeo Igarashi,
"Detecting Shape Deformation on Soft Object Using Directional Photoreflectivity Measurement",
In ACM SIGGRAPH 2011 Emerging Technologies (SIGGRAPH 2011), Article No.5, August 7-11, ACM, New York, NY, USA.
- ROBOT Magazine (USA), Nobember / December 2011, pp.13