Smart CCTV

 

A new system claims it can track an individual in the crowd.

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The BAE Systems CCTV technology could even autonomously track an individual if they even changed their appearance or tried to disappear in a crowd.
 
Researchers from the defence giant company analysed TV images collected from a single, standard pan/tilt/zoom camera, from which software produced templates – four by four pixel squares that displayed as coloured dots around a target’s body. It can then track the target by following the position of these templates.
 
BAE project manager Andrew Cooke told The Engineer: “The identification of individuals is done manually. The user can see the image from the camera and, with a mouse, click on somebody to say ‘follow this person for me automatically’ from the click onwards.”
 
“We then have a step which generates all of these templates which we use to track the target. Normally there are 25 of these very small patches which are dotted around a person, so some of them may be on the head, some on the torso and some on the legs.”
 
As well as adapting it to track a person’s appearance, the software can also detect suspicious behaviour.
 
Cooke said: “What we have essentially done is produce a system which can alert operators to some loitering behaviour. So if somebody is hanging around in an area declared as sensitive or high security, there is an underlying process which can provide alarms for that sort of situation,”
 
The technology is a result of research carried out by BAE Systems as part of a 10-partner EC project on integrated surveillance in crowded areas.

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