Surveillance cameras can preserve us secure or invade our privacy, and enhancements in miniaturisation imply they can now be hidden in nearly any object. Researchers have developed a smartphone app that is claimed to become aware of such hidden cameras with 88.9 per cent accuracy.
Commercial gadgets to spot hidden cameras are available, however carrying a unique gadget for this cause is inconvenient. Sriram Sami at the National University of Singapore and his colleagues hope to grant the identical feature by means of a widespread smartphone.