Affiliation(s):
School of Astronautics, Harbin Institute of Technology, Harbin 150001, China;
moreAffiliation(s): School of Astronautics, Harbin Institute of Technology, Harbin 150001, China; National Key Laboratory of Science and Technology on Test Physics and Numerical Mathematics, Beijing 100076, China;
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Abstract: We proposed a distributed labeled multi-Bernoulli (LMB) filter based on an efficient label matching method. Conventional distributed LMB filter fusion has the premise that the labels among local densities have already been matched. However, considering that the label space of each local posterior is independent, such a premise is not practical in many applications. To achieve the distributed fusion practically, we proposed an efficient label matching method derived from the divergence of arithmetic average (AA) mechanism, and subsequently, the label-wise LMB fusion is performed according to the matching result. Compared with the existing label matching methods, this proposed method shows higher performance, especially in low detection probability scenarios. Moreover, to guarantee the consistency and completeness of the fusion outcome, the overall fusion procedure is designed into the following four stages: pre-fusion, label determination, posterior complement, and uniqueness check stages. The performance of the proposed label matching distributed LMB fusion is demonstrated in a challenging nonlinear bearings-only multi-target tracking (MTT) scenario.
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Reference
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