WiSh: Towards a Wireless Shape-Aware World Using Passive RFIDs
Haojian Jin, Jingxian Wang, Zhijian Yang, Swarun Kumar, Jason Hong
This paper presents WiSh, a solution that makes ordinary surfaces shape-aware, relaying their real-time geometry directly to a user’s handheld device. WiSh achieves this using inexpensive, light-weight and battery-free RFID tags attached to these surfaces tracked from a compact single-antenna RFID reader. In doing so, WiSh enables several novel applications: shape-aware clothing that can detect a user’s posture, interactive shape-aware toys or even shape-aware bridges that report their structural health.
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