Tracking magnetics above portable displays

Authors:
Rong-Hao Liang;Kai-Yin Cheng;Liwei Chan;Chuan-Xhyuan Peng;Mike Y. Chen;Rung-Huei Liang;De-Nian Yang;Bing-Yu Chen
Affiliations:
National Taiwan University and Academia Sinica;National Taiwan University;Academia Sinica;National Taiwan University of Science and Technology;National Taiwan University;Academia Sinica;Academia Sinica;National Taiwan University
Venue:
ACM SIGGRAPH 2013 Posters
Year:
2013

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GaussBits: magnetic tangible bits for portable and occlusion-free near-surface interactions

Proceedings of the SIGCHI Conference on Human Factors in Computing Systems

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Abstract

We present a system of the passive magnetic tangible designs that enables 3D tangible interactions above the portable displays. When a thin magnetic sensor grid is attached to the back of the display, the 3D position and partial 3D orientation of the magnetic tangibles, GaussBits, can be resolved by the proposed bi-polar magnetic field tracking technique. The occlusion-free properties of this tracking method also enrich the design of tangible interactions.