Spy camera detection using smartphone time-of-flight sensors
Hey! Sriram here, author of this work. I'd be glad to answer any questions. There's also a short talk I gave about this here (<a href="https://www.youtube.com/watch?v=t4Txdhlji4k" rel="nofollow">https://www.youtube.com/watch?v=t4Txdhlji4k</a>) if that's helpful!