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Cooperative Surveillance of Multiple Targets using Mutual Information

Abstract : This work presents a method to control multiple, but diverse pan-tilt-zoom cameras which are sharing overlapping views of the same spatial location for the purpose of observation of this scene. We cast this control input selection problem in an information-theoretic framework, where we maximise the expected mutual information gain in the scene model with respect to the observation parameters. The scene model yielding this information comprises several dynamic targets, augmented by one which has not yet been detected. The information content of the former is supplied directly by the uncertainties computed using a Sequential Kalman Filter tracker for the observed targets, while the undetected is modelled using a Poisson process for every element of a common ground plane. Together these yield an informationtheoretic utility for each parameter setting for each camera, triggering collaborative explorative behaviour of the system. Overall this yields a framework in which heterogeneous active camera types can be integrated cleanly and consistently, obviating the need for a wide-angle supervisor camera or other artificial restrictions on the camera parameter settings.
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https://hal.inria.fr/inria-00326777
Contributor : Peter Sturm <>
Submitted on : Sunday, October 5, 2008 - 2:57:37 PM
Last modification on : Monday, October 6, 2008 - 9:18:44 AM
Long-term archiving on: : Friday, June 4, 2010 - 12:14:07 PM

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  • HAL Id : inria-00326777, version 1

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Eric Sommerlade, Ian Reid. Cooperative Surveillance of Multiple Targets using Mutual Information. Workshop on Multi-camera and Multi-modal Sensor Fusion Algorithms and Applications - M2SFA2 2008, Andrea Cavallaro and Hamid Aghajan, Oct 2008, Marseille, France. ⟨inria-00326777⟩

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