this post was submitted on 25 Jul 2025
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Humans can be tracked with unique 'fingerprint' based on how their bodies block Wi-Fi signals (www.theregister.com)
submitted 1 day ago* (last edited 1 day ago) by bignose@programming.dev to c/technology@lemmy.world
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The Sapienza computer scientists say Wi-Fi signals offer superior surveillance potential compared to cameras because they're not affected by light conditions, can penetrate walls and other obstacles, and they're more privacy-preserving than visual images.

[…] The Rome-based researchers who proposed WhoFi claim their technique makes accurate matches on the public NTU-Fi dataset up to 95.5 percent of the time when the deep neural network uses the transformer encoding architecture.

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[–] StenSaksTapir@feddit.dk 28 points 1 day ago (1 children)

Well I heard about this and thought "this will be great for home automation", but I also know that someone was equally excited about using this to rob people of basic freedoms or being a fucking creep or both.

[–] echodot@feddit.uk 1 points 16 hours ago (1 children)

If it's your home why can't you just have a camera or motion sensor. Rather than trying to adapt something that isn't designed for the purpose.

[–] StenSaksTapir@feddit.dk 6 points 13 hours ago

Cameras require light, while radio waves works almost as well in darkness.

A motion sensor is an extra device that needs to be connected, have power and so on.

There are already radio wave motion- and room occupancy sensors where you can specify zones and so on, but if I could have personalized on top of that I'd take it.

Finally, using a thing for something useful other than its intended purpose is kinda fun.