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Surveillance cams now offer up to 29 megapixels, surpassing many cameras used by professional photographers.
Manufacturer's figures suggest there will be 129,299 HD CCTV cameras in the UK by the end of 2012. The HDCCTV Alliance has predicted that number would rise to over 3.7 million by 2016.
"It's the ability to pick out your face in a crowd from a camera which is probably half a mile away."
He also flagged that research was being carried out to pair the technology with facial recognition software to run captured images against databases of known offenders.
The UK is far from being the only country to utilise the technology. a study by RNCOS suggests the global CCTV market will be worth about $23.5bn (£14bn) a year by the end of 2014.
http://www.bbc.co.uk...nology-19812385
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