Japanese police have been using a system that can match photos of people who have been previously arrested with images gathered by surveillance cameras and social media, police officials said Saturday, a move that could raise concerns about privacy violations.
The facial analysis system has been operated by police across the nation since March to identify criminal suspects more quickly and accurately, the officials said. But critics warn that the system could turn the country into a surveillance society unless it is operated under strict rules.
"We are using the system only for criminal investigations and within the scope of law. We discard facial images that are found to be unrelated to cases," a senior National Police Agency official said.