Electrical Engineering and Systems Science > Systems and Control
[Submitted on 20 Apr 2021 (v1), last revised 18 Nov 2023 (this version, v2)]
Title:From Target Tracking to Targeting Track: A Data-Driven Yet Analytical Approach to Joint Target Detection and Tracking
View PDFAbstract:This paper addresses the problem of real-time detection and tracking of a non-cooperative target in the challenging scenario with almost no a-priori information about target birth, death, dynamics and detection probability. Furthermore, there are false and missing data at an unknown yet low rate in the measurements. The only information given in advance is about the target-measurement model and the constraint that there is no more than one target in the scenario. To solve these challenges, we model the movement of the target by using a polynomial trajectory function of time (T-FoT), which aims to estimate the continuous-time trajectory of the target rather than a series of discrete-time point estimates as is done in most existing filters/trackers. Data-driven T-FoT initiation and termination strategies are proposed for identifying the (re-)appearance and disappearance of the target. During the existence of the target, real target measurements are distinguished from clutter if the target indeed exists and is detected, in order to update the T-FoT at each scan for which we design a least-squares estimator. Overall, our approach is Markov-free, data-driven yet analytical. Simulations using either linear or nonlinear systems are conducted to demonstrate the effectiveness of our approach in comparison with the Bayes optimal Bernoulli filters. The results show that our approach is comparable to the perfectly modeled filters, even outperforms them in some cases while requiring much less a-priori information and computing much faster.
Submission history
From: Tiancheng Li Prof. [view email][v1] Tue, 20 Apr 2021 09:00:21 UTC (636 KB)
[v2] Sat, 18 Nov 2023 14:08:02 UTC (2,669 KB)
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