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20 February 2024 Ship trajectory clustering based on improved Hausdorff distance
ZiCong Huang, Keping Guan
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Proceedings Volume 13064, Seventh International Conference on Traffic Engineering and Transportation System (ICTETS 2023); 1306430 (2024) https://doi.org/10.1117/12.3016045
Event: 7th International Conference on Traffic Engineering and Transportation System (ICTETS 2023), 2023, Dalian, China
Abstract
The traditional Hausdorff distance only considers the position information when calculating the similarity of ship trajectory, and rarely considers the characteristic information such as ship heading and speed. Secondly, the traditional Hausdorff distance is easily affected by the loss of track points when measuring ship trajectory, resulting in the increase of the distance between ship trajectories. In order to measure the distance between ship trajectories more accurately, this paper proposed a trajectory similarity measurement method based on improved Hausdorff distance. The algorithm took two important behavioral characteristics of ship heading and speed into account. It makes the distance measurement between ship trajectories more accurate and solves the problem that the distance between ship trajectories increases due to the loss of ship trajectory points in the traditional Hausdorff distance measurement. The ship trajectory data from Shanghai South Channel are used in the experiment. Compared with the traditional hausdorff distance, the results show that the clustering results of the proposed method can effectively distinguish the differences in the behavior characteristics of the trajectory
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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ZiCong Huang and Keping Guan "Ship trajectory clustering based on improved Hausdorff distance", Proc. SPIE 13064, Seventh International Conference on Traffic Engineering and Transportation System (ICTETS 2023), 1306430 (20 February 2024); https://doi.org/10.1117/12.3016045
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KEYWORDS
Distance measurement
Data compression
Data mining
Motion measurement
Statistical analysis
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