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Joint Probabilistic Data Association, track coalescence, K Nearest Neighbor, Scaled Joint Probabilistic Data Association
For the problem of tracking multiple targets, the Joint Probabilistic Data Association approach has shown to be very effective in handling clutter and missed detections. However, it tends to coalesce neighboring tracks and ignores the coupling between those tracks. To avoid track coalescence，a K Nearest Neighbor Joint Probabilistic Data Association algorithm is proposed in this paper. Like the Joint Probabilistic Data Association algorithm, the association possibilities of target with every measurement will be computed in the new algorithm, but only the first K measurements whose association probabilities with the target are larger than others’ are used to estimate target’s state. Finally, through Monte Carlo simulations, it is shown that the new algorithm is able to avoid track coalescence and keeps good tracking performance in heavy clutter and missed detections.
Song-lin Chen, Yi-bing Xu,"A New Joint Possibility Data Association Algorithm Avoiding Track Coalescence", International Journal of Intelligent Systems and Applications(IJISA), vol.3, no.2, pp.45-51, 2011. DOI: 10.5815/ijisa.2011.02.07
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