Mobility Investigate

iBrush: Writing Chinese Characters With Flashlight and Wireless Sensor Grid

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Executive Summary

Light is the widely available and pervasive resource in one's daily life. Existing research shows that light can be used in localization in wireless sensor networks. Meanwhile, the former work also indicates that wireless sensor networks can track light sources. This paper demonstrates iBrush, a system which allows users to write Chinese characters with a flashlight and a sensor grid.

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