Systems Engineering and Electronics ›› 2019, Vol. 41 ›› Issue (8): 1686-1691.doi: 10.3969/j.issn.1001-506X.2019.08.02

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SMC-CBMeMBer filter based on pairwise Markov chains

LIU Jiangyi1, WANG Chunping1, WANG Wei2   

  1. 1. Electronic and Optical Engineering Department, Shijiazhuang Campus of Army Engineering University, Shijiazhuang 050003, China; 2. Unit 65875of the PLA, Weinan 714000, China
  • Online:2019-07-25 Published:2019-07-25

Abstract:

Most multitarget tracking filters assume that one target and its observation follow a hidden Markov chain (HMC) model, but the implicit independence assumption of the HMC model is invalid in many practical applications, and a pairwise Markov chain (PMC) model is more universally suitable than the traditional HMC model. The existing Gauss mixture implementation of cardinality balanced multi-target multi-Bernoulli (CBMeMBer) filter based on the PMC model is only applicable to the linear Gauss system.Each hypothetical path of the Bernoulli random finite set is approximated by a set of weighted particles, and then the sequential Monte-Carlo(SMC) implementation of the PMC-CBMeMBer filter is proposed for nonlinear systems. The experimental results show that SMC-PMC-CBMeMBer filter has better tracking performance than the SMC-HMC-CBMeMBer filter and the SMC-PMC-PHD filter.

Key words: pairwise Markov chain(PMC), cardinality balanced multi-target multi-Bernoulli (CBMeMBer), sequential Monte-Carlo (SMC)

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