When a three-year-old was recently kidnapped in Shenzhen, China, it took a matter of hours for the offender to be tracked down and the child to be reunited with his parents. Unknown to the kidnapper, her journey to a town more than 1,000km away was being automatically tracked by "intelligent" cameras. "Through a facial-recognition video system the police could quickly identify the three-year-old and the kidnapper," Huawei Enterprise global public safety expert Peter Goulding says. "The kidnapper was identified in another part of the city, and we then saw a video of her in a building collecting a bag. "We picked up another video of her going to a railway station, where she checked through with her ID," Goulding says. By the time the kidnapper arrived in a town about 2½ hours’ flying distance away, police were waiting to arrest her. "It was all done by city-wide closed-circuit TV (CCTV) using facial recognition. It’s about prevention and also about prosecuting and finding offenders an...

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