Mixing kinematics and identification data for track-to-track association

Isabelle Leibowicz; Philippe Nicolas

doi:10.1117/12.341350

12 March 1999 Mixing kinematics and identification data for track-to-track association

Isabelle Leibowicz, Philippe Nicolas

Proceedings Volume 3719, Sensor Fusion: Architectures, Algorithms, and Applications III; (1999) https://doi.org/10.1117/12.341350
Event: AeroSense '99, 1999, Orlando, FL, United States

Abstract

This paper presents a new track-to-track association mixing kinematics data from the radar and identification data from the ESM sensor. In classical track-to-track association methods, only kinematics data from the radar are used. In this paper, we show how to improve the association using both kinds of information although they have different types. We also introduce a track identification algorithm in order to improve the performances of the method. Considering tow tracks, the problem is formulated as the following hypothesis test: H₀: both observed tracks are generated by the same target; H₁ both observed tracks are generated by different targets. Then we compute a likelihood ratio mixing kinematics and identification data. The identification algorithm result are used to calculate the likelihood ratio. We compare it to a threshold. This technique enables to evaluate the performance of the algorithm in terms of 'probability of correct association' and 'probability of false association'. The threshold is chosen in order to constrain the probability of false association to a small value. This method, valid for any kind of track, can easily be generalized if the number of tracks is greater than two. It has the double advantage of providing information about the common origin of the tracks and an identification of each track.

Citation Download Citation

Isabelle Leibowicz and Philippe Nicolas "Mixing kinematics and identification data for track-to-track association", Proc. SPIE 3719, Sensor Fusion: Architectures, Algorithms, and Applications III, (12 March 1999); https://doi.org/10.1117/12.341350

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