XRay Drones Can See Through Walls
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The two drones simultaneously work together to transmit data. They would each fly around four sided walls of a brick building conducting scans.
A single drone is responsible for the transmition of a continuous Wi-Fi signal, while the other, on the opposite side of the house, measures its power after it passes through.
By circumnavigating the house several times, the drones can produce incredibly high-resolution and accurate 3D images of the objects inside the walls.
Yasamin Mostofi, a professor of electrical and computer engineering at USB, stated that, “Our proposed approach has enabled unmanned aerial vehicles to image details through walls in 3D with only Wi-Fi signals. This approach utilises only Wi-Fi RSSI [received signal strength indicator] measurements, does not require any prior measurements in the area of interest and does not need objects to move to be imaged.”