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- W2611304865 abstract "This paper considers the problem of estimating the 3D states of a salvo of thrusting/ballistic endo-atmospheric objects using 2D Cartesian measurements from the focal plane array (FPA) of a single fixed optical sensor. Since the initial separations in the FPA are smaller than the resolution of the sensor, this results in merged measurements in the FPA, compounding the usual false-alarm and missed-detection uncertainty. We present a two-step methodology. First, we assume a Wiener process acceleration (WPA) model for the motion of the images of the projectiles in the optical sensor's FPA. We model the merged measurements with increased variance, and thence employ a multi-Bernoulli (MB) filter using the 2D measurements in the FPA. Second, using the set of associated measurements for each confirmed MB track, we formulate a parameter estimation problem, whose maximum likelihood estimate can be obtained via numerical search and can be used for impact point prediction. Simulation results illustrate the performance of the proposed method." @default.
- W2611304865 created "2017-05-12" @default.
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- W2611304865 date "2017-05-02" @default.
- W2611304865 modified "2023-09-23" @default.
- W2611304865 title "Tracking initially unresolved thrusting objects in 3D using a single stationary optical sensor" @default.
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- W2611304865 doi "https://doi.org/10.1117/12.2262832" @default.
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