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Date Posted: 09:57:21 04/21/02 Sun
Author: MJ
Author Host/IP: wks-166-152-9.kscable.com / 24.166.152.9
Subject: lights camera action - watch out

[Fair Use and discussion use only]

Robot cameras 'will predict crimes before they happen'
CCTV: By learning behaviour patterns, computers could soon alert police when an unmanned camera sees 'suspicious' activity
By Andrew Johnson
21 April 2002
Computers and CCTV cameras could be used to predict and prevent crime before it happens.

Scientists at Kingston University in London have developed software able to anticipate if someone is about to mug an old lady or plant a bomb at an airport.

It works by examining images coming in from close circuit television cameras (CCTV) and comparing them to behaviour patterns that have already programmed into its memory.

The software, called Cromatica, can then mathematically work out what is likely to happen next. And if it is likely to be a crime it can send a warning signal to a security guard or police officer.

The system was developed by Dr Sergio Velastin, of Kingston University's Digital Imaging Research Centre, to improve public transport.

By predicting crowd flow, congestion patterns and potential suicides on the London Underground, the aim was to increase the efficiency and safety of transport systems.

The software has already been tested at London's Liverpool Street Station.

Dr Velastin explained that not feeling safe was a major reason why some people did not use public transport. "In some ways, women and the elderly are effectively excluded from the public transport system," he said.

CCTV cameras help improve security, he said, but they are monitored by humans who can lose concentration or miss things. It is especially difficult for the person watching CCTV to remain vigilant if nothing happens for a long period of time, he said.

"Our technology excels at carrying out the boring, repetitive tasks and highlighting potential situations that could otherwise go unnoticed," he added.

While recent studies have shown that cameras tend to move crime on elsewhere rather than prevent it completely, in certain environments, such as train stations, they are still useful.

And Dr Velastin believes his creation has a much wider social use than just improving transport.

His team of European researchers are improving the software so that eventually it will be capable of spotting unattended luggage in an airport. And it will be able to tell who left it there and where that person has gone.

However, the computer is not yet set to replace the human being altogether.

"The idea is that the computer detects a potential event and shows it to the operator, who then decides what to do � so we are still a long way off from machines replacing humans," Dr Velastin says.

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