Integrating Covariance Intersection into Bayesian multi-target tracking filters

Daniel E. Clark, Mark A. Campbell

Research output: Contribution to journalArticlepeer-review


Multitarget tracking systems typically provide sets of estimated target states as their output. It is challenging to be able to integrate these outputs as inputs to other tracking systems to gain a better picture of the area under surveillance since they do not conform to the standard observation model. Moreover, in cyclic distributed systems, there may be common information between state estimates that would mean that fused estimates may become overconfident and corrupt the system. In this article, we develop a Bayesian multitarget estimator based on the covariance intersection algorithm for multitarget track-to-track data fusion. The approach is integrated into a multitarget tracking algorithm and demonstrated in simulations. The approach is able to account for missed tracks and false tracks produced by another tracking system.

Original languageEnglish
Pages (from-to)1382-1391
Number of pages10
JournalIEEE Transactions on Aerospace and Electronic Systems
Issue number2
Early online date25 Aug 2022
Publication statusPublished - Apr 2023


  • Bayes methods
  • Estimation
  • Kalman filters
  • Radar tracking
  • Random variables
  • Robot sensing systems
  • Target tracking

ASJC Scopus subject areas

  • Aerospace Engineering
  • Electrical and Electronic Engineering


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