Researchers build a smartphone clip-on that spots hidden cameras A technology has been developed to detect illegal hidden cameras in places like hotels and restrooms by simply attaching a light-emitting diode, LED device to a smartphone. Unlike conventional methods of visually identifying lenses, AI analyzes light reflection patterns to detect camera lenses.
In experiments on 30 objects commonly found in living spaces — such as chargers, alarm clocks, remote controls, and decorations — the technology achieved a 94% accuracy rate in detecting hidden cameras, with each inspection taking less than 5 seconds.
“Illegal hidden cameras seriously threaten personal safety and privacy in everyday spaces,” — Professor Han Jun from KAIST stated. “By combining low-cost hardware with AI analysis, we have demonstrated the potential for a detection technology that even non-experts can use easily.”
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