Abstract
In this study, a multi-object tracking (MOT) scheme based on a light detection and ranging sensor was proposed to overcome imprecise velocity observations in object occlusion scenarios. By applying real-time velocity estimation, a modified unscented Kalman filter (UKF) was proposed for the state estimation of a target object. The proposed method can reduce the calculation cost by obviating unscented transformations. Additionally, combined with the advantages of a two-reference-point selection scheme based on a center point and a corner point, a reference point switching approach was introduced to improve tracking accuracy and consistency. The state estimation capability of the proposed UKF was verified by comparing it with the standard UKF in single-target tracking simulations. Moreover, the performance of the proposed MOT system was evaluated using real traffic datasets.
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the National Natural Science Foundation of China (No. 51775331)
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Wang, M., Wu, X. Multi-Object Tracking Strategy of Autonomous Vehicle Using Modified Unscented Kalman Filter and Reference Point Switching. J. Shanghai Jiaotong Univ. (Sci.) 26, 607–614 (2021). https://doi.org/10.1007/s12204-021-2350-0
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DOI: https://doi.org/10.1007/s12204-021-2350-0
Key words
- multi-object tracking (MOT)
- light detection and ranging (LiDAR) sensor
- unscented Kalman filter (UKF)
- object occlusion