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Sensors 2015, 15(5), 10526-10546; doi:10.3390/s150510526

A Novel Square-Root Cubature Information Weighted Consensus Filter Algorithm for Multi-Target Tracking in Distributed Camera Networks

Beijing Key Laboratory of Intelligence Information Technology, School of Computer Science, Beijing Institute of Technology, Beijing 100081, China
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Academic Editor: Y. Ahmet Sekercioglu
Received: 2 March 2015 / Revised: 21 April 2015 / Accepted: 27 April 2015 / Published: 5 May 2015
(This article belongs to the Special Issue Visual Sensor Networks)
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Abstract

This paper deals with the problem of multi-target tracking in a distributed camera network using the square-root cubature information filter (SCIF). SCIF is an efficient and robust nonlinear filter for multi-sensor data fusion. In camera networks, multiple cameras are arranged in a dispersed manner to cover a large area, and the target may appear in the blind area due to the limited field of view (FOV). Besides, each camera might receive noisy measurements. To overcome these problems, this paper proposes a novel multi-target square-root cubature information weighted consensus filter (MTSCF), which reduces the effect of clutter or spurious measurements using joint probabilistic data association (JPDA) and proper weights on the information matrix and information vector. The simulation results show that the proposed algorithm can efficiently track multiple targets in camera networks and is obviously better in terms of accuracy and stability than conventional multi-target tracking algorithms. View Full-Text
Keywords: cubature Kalman filter; information filter; consensus algorithm; multi-target tracking; distributed camera networks cubature Kalman filter; information filter; consensus algorithm; multi-target tracking; distributed camera networks
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Chen, Y.; Zhao, Q. A Novel Square-Root Cubature Information Weighted Consensus Filter Algorithm for Multi-Target Tracking in Distributed Camera Networks. Sensors 2015, 15, 10526-10546.

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