Information Technology Reference
In-Depth Information
Cameras
Mirror
Projector
Sound Table
Amplifier
Figure 8.1
System setup.
Figure 8.2
Sound Table. (From Nakaie, T., Koyama, T., and Hirakawa, M.
Development of Collaborative
System with a Shared Sound Display,
14-19, 2008. With permission.)
is estimated by analyzing a pair of stereo images taken from two cam-
eras over Sound Table. Here the LED is covered by a semitransparent cap
to have the light diffused, as shown in the figure. In consequence, even
though the device is turned below to the table, its position can be sensed
by the cameras.
