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26 November 2001 Association and fusion of air target tracks with airlanes
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Abstract
Association of air targets with airlanes is a problem of interest in wide area surveillance because of its application to target identification, situation assessment and sensor registration. This problem has been previously considered for the single airlane scenario, under the assumption that the track state estimates are Gaussian distributed. In this paper, under the same assumptions, a recent solution based on statistical hypothesis tests is generalized and extended in three ways. First, the association test is generalized to the multiple airlane scenario. If the target can be associated with more than one airlane, the ambiguity is resolved by employing the test statistic of the association test as a discriminant. Secondly, a probabilistic state model based on airlane information is formulated for the corresponding airlane. Finally, the track data is fused with the associated airlane to improve target state estimates. Simulation results are presented for both unbiased and biased sensor measurements in terms of the probability of association for each airlane, and the root mean square error of fused and unfused target position and velocity estimates.
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Hwa-Tung Ong and Martin G. Oxenham "Association and fusion of air target tracks with airlanes", Proc. SPIE 4473, Signal and Data Processing of Small Targets 2001, (26 November 2001); doi: 10.1117/12.492804; https://doi.org/10.1117/12.492804
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