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Trial of CCTV cameras that also listen in Glasgow

Posted by James Hammerton @ 6:03 pm on 15 February, 2009.
Categories privacy and surveillance, British politics, accountability, culture of suspicion.
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BBC News in Scotland reports:

But teaching a computer system to recognise the specific characteristics of aggression has taken more than a decade, building on research at the University of Groningen.

Bram Kuipers explains how the system operates

Sound Intelligence say Sigard is able to discriminate between the sound of aggression and other, everyday loud noises like passing trucks and car horns.

Kuipers demonstrated this by clapping his hands. A display screen noted the sounds but took no action. Then he shouted aggressively. This time an alarm sounded and a CCTV camera spun round to look directly at the source of the shouting.

Such systems are already in everyday use on the streets of several Dutch towns and cities. The company said it also has uses in potential flashpoints like prisons and benefits offices.

There are hopes eventually to sell Sigard in other markets - hence the Glasgow trial.

“We installed a couple of microphones in one of the main streets of Glasgow,” Kuipers said.

“It’s working. We detected aggression and it’s currently under evaluation.”

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