The CCTV technology identifies suspicious individuals and behaviour and then acts to stamp out crimes before they happen.
When a crime looks like it is going to occur, the system will verbally warn the perpetrator and then if necessary alert the nearest police officer.
ISIS, short for Integrated Sensor Information System, is being developed by a team at Queen’s University Belfast at its Centre for Secure Information Technologies.
It is designed to work with the extensive network of CCTV cameras already installed on buses and trains as well as in stations, airports and on the street.
It centres on specially developed “computer vision technology” that analyses images picked up by CCTV and is able to profile individuals to see if they pose a risk and then to check for patterns of behaviour that may be suspicious or anti-social.
The computer constantly assesses the situation and if it becomes a major risk alerts a control room who can send out a verbal warning or alert officers nearby to stampout crimes before they occur.
Criteria that ISIS will look for are likely to include clothing such as hooded tops, sudden movements, odd behaviour such as moving seats and verbal aggression.
Metal detectors, motion detectors and even microphones could eventually be added to sharpen the system further.
“We have four million cameras across the country at present but their impact on anti-social behaviour is actually fairly negligible,” said Dr Paul Miller, who is part of the 50-strong team.
“We aim to develop a system which helps to make crime-free buses, trains, stations and airports a reality. We think it will be a strong deterrent.”
The science fiction film Minority Report, directed by Steven Spielberg and starring Tom Cruise, revolves around a “Pre-crime” police unit that is able to identify and prevent crimes before they happen.
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