China unveils Minority Report-style AI security system

A smart surveillance system that can identify criminals among a database of 2 billion faces within seconds has been revealed in China. The system connects to millions of CCTV cameras and uses artificial intelligence to pick out targets. Known as'Dragonfly Eye', it has already been used in Shanghai to track down hundreds of wanted criminals, reports suggest. A smart surveillance system (pictured) that can scan 2 billion faces within seconds has been revealed in China. The system has been helping Shanghai's police force track down criminals in a city with more than 24 million inhabitants.