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Son, Hungsun
Electromechanical Systems & Control Lab (ESCL)
Research Interests
  • Magnetic field modeling

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Tracking and Estimation of Multiple Cross-Over Targets in Clutter

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Title
Tracking and Estimation of Multiple Cross-Over Targets in Clutter
Author
Memon, Sufyan AliKim, MyungunSon, Hungsun
Issue Date
2019-02
Publisher
MDPI
Citation
SENSORS, v.19, no.3, pp.741
Abstract
Tracking problems, including unknown number of targets, target trajectories behaviour and uncertain motion of targets in the surveillance region, are challenging issues. It is also difficult to estimate cross-over targets in heavy clutter density environment. In addition, tracking algorithms including smoothers which use measurements from upcoming scans to estimate the targets are often unsuccessful in tracking due to low detection probabilities. For efficient and better tracking performance, the smoother must rely on backward tracking to fetch measurement from future scans to estimate forward track in the current time. This novel idea is utilized in the joint integrated track splitting (JITS) filter to develop a new fixed-interval smoothing JITS (FIsJITS) algorithm for tracking multiple cross-over targets. The FIsJITS initializes tracks employing JITS in two-way directions: Forward-time moving JITS (fJITS) and backward-time moving JITS (bJITS). The fJITS acquires the bJITS predictions when they arrive from future scans to the current scan for smoothing. As a result, the smoothing multi-target data association probabilities are obtained for computing the fJITS and smoothing output estimates. This significantly improves estimation accuracy for multiple cross-over targets in heavy clutter. To verify this, numerical assessments of the FIsJITS are tested and compared with existing algorithms using simulations.
URI
https://scholarworks.unist.ac.kr/handle/201301/27346
URL
https://www.mdpi.com/1424-8220/19/3/741
DOI
10.3390/s19030741
ISSN
1424-8220
Appears in Collections:
MNE_Journal Papers
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