A significant problem in multiple target tracking is the hit-to-track data association. A hit is a received signal from a target or background clutter which provides positional information. If an incorrect hit is associated with a track, that track could diverge and terminate. Prior methods for this data association problem include various optimal and suboptimal two-dimensional assignment algorithms which make hit-to-track associations. Another method is to assign a weight for the reasonable hits and use a weighted centroid of those hits to update the track. The method of weighting the hits is known as joint probabilistic data association (JPDA). The authors review the JPDA approach and a simple ad hoc approximation and then introduce a new suboptimal JPDA algorithm. Examples which compare an optimal two-dimensional assignment algorithm with the ad hoc and the new suboptimal JPDA formulation are given.<>
Suboptimal joint probabilistic data association
IEEE Transactions on Aerospace and Electronic Systems ; 29 , 2 ; 510-517
1993-04-01
583590 byte
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Suboptimal Joint Probabilistic Data Association
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