A Method of Fairway Boundary Extraction Based on AIS Data

被引：0
|
作者：
Dai, Zeyuan [1 ]
Zhang, Lihua [1 ]
Jia, Shuaidong [1 ]
Tang, Lulu [1 ]
Sun, Xiaolu [1 ]
机构：
[1] Dalian Naval Acad, Dept Mil Oceanog & Hydrog & Cartog, Dalian 116018, Liaoning, Peoples R China
来源：
4TH INTERNATIONAL CONFERENCE ON ADVANCES IN ENERGY RESOURCES AND ENVIRONMENT ENGINEERING | 2019年 / 237卷
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1088/1755-1315/237/3/032049
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Due to the limitations of existing fairway extraction methods that not take the width of the fairway into account, a method of fairway boundary extraction based on AIS data is proposed. Firstly, in order to express the density of AIS track points, the Voronoi diagram is constructed. Secondly, the density difference between both sides of the fairway is quantitatively analyzed, and the index of it is proposed. Finally, using the AIS track points that selected by the former index, the Delaunay irregular triangulation network is constructed, and then the boundary of the fairway can be extracted. The experimental results show that: using this method, the boundary of the fairway can be automatic extracted, which provides a new idea for the semantic analysis of AIS data.
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页数：6
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