Scientists Use WiFi to See Through People's Walls

gedaliyah@lemmy.world to Technology@lemmy.world – 458 points – Scientists Can Now Use WiFi to See Through People's Walls
popularmechanics.com

“We developed a deep neural network that maps the phase and amplitude of WiFi signals to UV coordinates within 24 human regions. The results of the study reveal that our model can estimate the dense pose of multiple subjects, with comparable performance to image-based approaches, by utilizing WiFi signals as the only input.”

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Here's the summary for the wikipedia article you mentioned in your comment:

TEMPEST is a U. S. National Security Agency specification and a NATO certification referring to spying on information systems through leaking emanations, including unintentional radio or electrical signals, sounds, and vibrations. TEMPEST covers both methods to spy upon others and how to shield equipment against such spying. The protection efforts are also known as emission security (EMSEC), which is a subset of communications security (COMSEC).

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