Gravity-based 3DCS

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Fabric is a material very close to us, and its motion is very interesting.
In order to measure the motion, we develop a cloth-like sheet that measures its own 3D configuration.
With the sheet, you can measure the shape and size of an object with ease.


Fig.1 Illustration of 3DCS
There is a lattice structure in the 3DCS, and a triaxial accelerometer is attached on each link.
The whole configuration is estimated using the gravity vector measured by accelerometers.

Fig.2 Demonstration I: flat plate

Fig.3 Demonstration II: sphere

  1. Takayuki Hoshi and Hiroyuki Shinoda: Gravity-Based 3D Shape Measuring Sheet,
    Proc. SICE Annual Conference 2007, pp. 2126-2131, Takamatsu (Japan), 17-20 Sep., 2007. [SICE Annual Conference International Award (2/584) / 20 Sep. 2007]
  2. Takayuki Hoshi, Sayo Ozaki, and Hiroyuki Shinoda: Three-Dimensional Shape Capture Sheet Using Distributed Triaxial Accelerometers,
    Proc. 4th International Conference on Networked Sensing Systems (INSS 2007), pp. 207-212, Braunschweig (Germany), 6-8 Jun., 2007.
  3. Takayuki Hoshi and Hiroyuki Shinoda: Free-Form Tactile Sensor Using 3-Dimensional Shape Capture Sheet,
    Proc. 2nd Joint Eurohaptics Conference and Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems (World Haptics 2007), pp. 403-408, Tsukuba (Japan), 22-24 Mar., 2007. [Poster]

Release: 9 Mar. 2007
Update: 2 Aug. 2013
Takayuki Hoshi: star(at)alab.t.u-tokyo.ac.jp