Communications of the ACM
How to Find Hidden Spy Cameras with a Smartphone
During the scan process, the Time-of-Flight sensor emits laser pulses and captures the reflected light off of an object and its surroundings. Hidden cameras embedded in objects reflect incoming laser pulses at a higher intensity than its surroundings, a r
Credit: Help Net Security
Scientists at the National University of Singapore and South Korea's Yonsei University developed a smartphone application that can find tiny spy cameras concealed in everyday objects, using smartphones' time-of-flight (ToF) sensor.
The researchers said the Laser-Assisted Photography Detection (LAPD) app spots hidden cameras better than commercial camera detectors, and much better than the human eye.
The app, which works on any smartphone handset equipped with a time of flight (ToF) sensor, can only scan a single object at a time, and requires about a minutes to scan that object.
The researchers said the app could be made more accurate by taking advantage of the handset’s flashlight and RGB cameras.
From Help Net Security
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