Abstract
We present a visual sensor network—comprising wide field-of-view (FOV) passive cameras and pan/tilt/zoom (PTZ) active cameras—capable of automatically capturing closeup video of selected pedestrians in a designated area. The passive cameras can track multiple pedestrians simultaneously and any PTZ camera can observe a single pedestrian at a time. We propose a strategy for proactive PTZ camera control where cameras plan ahead to select optimal camera assignment and handoff with respect to predefined observational goals. The passive cameras supply tracking information that is used to control the PTZ cameras.
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