The multitarget recursive Bayes nonlinear filter is the theoretically optimal approach to multisensor-multitarget detection, tracking, and identification. For applications in which this filter is appropriate, it is likely to be tractable for only a small number of targets. In earlier papers we derived closed-form equations for an approximation of this filter based on propagation of a first-order multitarget moment called the probability hypothesis density (PHD). In a recent paper, Erdinc, Willett, and Bar-Shalom argued for the need for a PHD-type filter which remains first-order in the states of individual targets, but which is higher-order in target number. In this paper we show that this is indeed possible. We derive a closed-form cardinalized PHD (CPHD) filter, which propagates not only the PHD but also the entire probability distribution on target number.
PHD filters of higher order in target number
IEEE Transactions on Aerospace and Electronic Systems ; 43 , 4 ; 1523-1543
01.10.2007
313367 byte
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
PHD Filters of Higher Order in Target Number
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