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“WiFi signals are everywhere these days. Unmanned aerial vehicles are expected to become a part of our near-future society. In this paper, we are interested in the possibilities created at this intersection of robotics and communication. More specifically, we propose a new methodology that enables the first demonstration of high-resolution 3D through-wall imaging of completely unknown areas, using only WiFi signals and unmanned aerial vehicles. Some of the key features of our approach are as follows: 1) only WiFi RSSI measurements are used, 2) no prior measurements need to be made in the area of interest, and 3) the objects do not have to move to be imaged. Here, we briefly summarize our proposed approach and show sample experiments results. See the paper and video for more details.”

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