A small camera mounted on the glasses will be capable of identifying 46,000 points on a human face.
Read more:
http://www.dailymail.co.uk/sciencetech/article-1376569/Brazilian-police-use-Robocop-style-facial-recognition-glasses-catch-hooligans-2014-World-Cup.html#ixzz1JdHb7X8kSimilar - if less advanced - technology is already used in some digital cameras on sale to the public.
Robocop: The future of law enforcement had similar facial recognition technology built into his helmet
The camera is capable of recognising 400 facial images per second and will instantly identify any matches to known criminals.
The technology calls to mind the futuristic armoury at the disposal of Robocop in the 1987 crime-fighting sci-fi classic.
If the computer system identifies a known-criminal, a small red light will become visible on a screen connected to the glasses, and transmit advice on what action is required.
The incredible piece of equipment is able to recognise a face from as far away as as 12 miles in extreme cases, but will usually be effective from around 164 foot.
It will be used at key points such as airports and bus stations to scan crowds, cutting the time it takes for officers to stop and identify suspicious individuals.
'It's something discreet because you do not question the person or ask for documents,' Major Leandro Pavani Agostini, of Sao Paulo's Military Police, told the Daily Telegraph.
'To the naked eye two people may appear identical but with 46,000 points compared, the data will not be beaten.'
Police in Rio de Janeiro and Sao Paulo have already been privy to demonstrations of the equipment and they are to be trialled at football matches in the country in the future, before being deployed at the World Cup.
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