A Real-Time Indoor Surveillance system Using Two Active Cameras

[[abstract]]This paper presents a method of using dual PTZ net work cameras to automatically detect and track intruders that enter into an indoor surveillance space. The main advantage of using dual PTZ cameras in the indoor surveillance system is their assignment swap ability. Initially, one PTZ camera is used to monitor the surveillance space to detect for intruders; the second PTZ camera then tracks the intruders once the monitor has detected them. One of the biggest challenges of such a surveillance system is to be able to obtain a clear image of the intruder’s face, allowing the intruder to be either manually or automatically recognized. However, given that the intruders may move randomly inside the surveillance space, the tracker, which has the responsibility of obtaining the intruder’s photo may never be able to obtain suitable images. Moreover, 3D tracking can help us understand the behavior of the intruder, including analyzing and predicting when and what actions the intruder has or will take whilst inside the surveillance space. We believe that swapping the responsibilities of the monitor and tracker can greatly increase the chances of accomplishing these surveillance tasks. This paper proposes an assignment swap strategy using dual PTZ cameras in the surveillance system. The experimental results show that the method has the ability to work robustly in real-time.