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A framework for ship semantic behavior representation and indexing

delete2025-06-01
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PRE
AI
S
Shunqiang Xu
黄亮 封面图
黄亮 (Liang Huang)
W
Wen, Yuanqiao
C
Cheng, Xiaodong
V
van Gelder, P. H. A. J. M.
DOI:10.1016/j.oceaneng.2025.121023delete
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摘要

摘要

En 中文
智能航运与自主导航的进步依赖于自动识别系统(AIS)数据,该数据提供了关键的船舶轨迹信息。然而,原始AIS数据缺乏语义上下文,使得行为标注对于理解航行任务和过程至关重要。现有研究面临两个挑战:(1)对于应提取哪些语义以实现有效行为标注缺乏清晰性;(2)对船舶机动与航行环境之间空间交互的考虑不足,特别是拓扑交互。这些问题使数据提取复杂化,并阻碍了可解释轨迹预测等基于机器学习的应用。本文提出了一种用于船舶行为语义标注和索引的综合框架。该框架使用关系数据库将船舶行为分解为统一的数据结构,其中定义了三种行为语义,包括原子行为、拓扑行为和交通行为。原子行为(如移动和停止)被提取以标注原始轨迹,而描述轨迹与环境交互的拓扑行为则使用改进的扩展维度9交模型(DE-9IM)进行建模。这些语义的结合使得能够标注更高层次的交通行为。该模型通过行为标注统计进行了进一步评估,展示了其在标注和索引高级船舶行为方面的有效性。
Keyword:
Ship behavior
Semantic annotation
Semantic indexing
AIS trajectory data

期刊

Ocean Engineering 封面图
Ocean Engineering
IF:
5.5
论文数:
7.5K
被引数:
7.6W

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