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MCMC-based particle filtering for tracking a variable number of interacting targets

Zia Khan, Balch, T., Dellaert, F.·2005·IEEE Transactions on Pattern Analysis and Machine Intelligence

Abstract

We describe a particle filter that effectively deals with interacting targets--targets that are influenced by the proximity and/or behavior of other targets. The particle filter includes a Markov random field (MRF) motion prior that helps maintain the identity of targets throughout an interaction, significantly reducing tracker failures. We show that this MRF prior can be easily implemented by including an additional interaction factor in the importance weights of the particle filter. However, the computational requirements of the resulting multitarget filter render it unusable for large numbers of targets. Consequently, we replace the traditional importance sampling step in the particle filter with a novel Markov chain Monte Carlo (MCMC) sampling step to obtain a more efficient MCMC-based multitarget filter. We also show how to extend this MCMC-based filter to address a variable number of interacting targets. Finally, we present both qualitative and quantitative experimental results, demonstrating that the resulting particle filters deal efficiently and effectively with complicated target interactions.

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Metadata

Authors
Khan, Z., Balch, T., & Dellaert, F.
Venue
IEEE Transactions on Pattern Analysis and Machine Intelligence
Published
2005-11
Volume
27
Issue
11
Pages
1805-1819
ISSN
0162-8828 (ISSN-L)
OpenAlex
W2113926057
Cited by
771
References
40
FWCI
45.35
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: MCMC-based particle filtering for tracking a variable number of interacting targets. https://app.cochat.ai/papers/10.1109/tpami.2005.223
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Khan, Z., Balch, T., & Dellaert, F. (2005). MCMC-based particle filtering for tracking a variable number of interacting targets. IEEE Transactions on Pattern Analysis and Machine Intelligence. https://doi.org/10.1109/tpami.2005.223

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