In recent years there has been a growing interest in the use of surveillance cameras to prevent accidents and crime, promote security and safety, and monitor critical systems and traffic scenes. Surveillance systems can be found everywhere: in transport systems from taxis to trams, from small corner stores to large banks, from lonely footpaths to crowded streets and sport arenas. With the advent of closed circuit television (CCTV) the task of monitoring no longer re quires a significant physical presence: the collective images from a large number of cameras may be monitored by “controllers” working in front of several monitors. Because human monitoring of surveillance video is a very laborintensive task, however, there is growing interest in developing intelligent and automated surveillance systems. [read on]
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