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Video cameras detect crimes

12.11.2012

Scientists from Carnegie Mellon University in Pennsylvania, USA, reported on the development of software for video surveillance systems that can detect the moment of a crime in real time. Its description was presented at the conference Semantic Technology for Intelligence, Defense and Security.

The developed solution, being used at public transport stops or at airports, is able to fix when a person leaves a bag for a suspiciously long time, one of its authors Christian Lebiere cited as an example. He added that eventually the new software will be able to predict crime - that is, to predict illegal actions that have not yet occurred. Such an ability can only be found in science fiction, notes CNet.

The solution is based on machine vision technology - the recognition of stationary and moving objects and the determination of their properties. Over the past decades, scientists have made significant progress in this area, and today this technology is used in many commercial products, including the social networking site Facebook. Machine vision is also the backbone of Google's driverless car project.

The video surveillance system with the function of automatic detection of crimes distinguishes objects by types and "knows" which types of objects are allowed to perform certain actions and how to interact with each other. In turn, the offence-prediction feature, which is still experimental and under development by a team led by scientist Kris Kitani, "knows" about people's most popular routes. When the trajectories begin to suspiciously differ from the usual ones, the system turns on the alarm. The operator can already respond to this signal.

The project is sponsored by the Defense Advanced Research Projects Agency (DARPA) under the US Department of Defense. It believes that video surveillance systems equipped with such software will eventually be able to do without operators or, in any case, reduce their number and increase the efficiency of monitoring order. Such systems will never sleep and will not require rest. They are planned to be used for both civilian and military purposes.

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