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加入 July 2022
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Researchers have shown that ordinary Wi-Fi can identify people with extremely high accuracy by analyzing how wireless signals bounce off the human body. Using AI, the system learns unique patterns from a person’s movement, posture, and body shape, almost like a biometric fingerprint. Recent tests using standard Wi-Fi hardware reportedly achieved near-perfect accuracy in controlled environments. The most surprising part is that people do not need to carry a phone or wearable device to be detected. Wi-Fi signals already present in a room can be enough.
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