Traveling trajectory description model considering the point-line spatio-temporal correlation characteristics

被引：0
作者：
Lin Y. [1 ]
He R. [2 ]
Chen J. [3 ]
Li J. [4 ]
Zhang W. [1 ]
机构：
[1] Policing Information Technology and Network Security College, People's Public Security University of China, Beijing
[2] College of Resource Environment and Tourism, Capital Normal University, Beijing
[3] National Geomatics Center of China, Beijing
[4] Faculty of Land Resources Engineering, Kunming University of Science and Technology, Kunming
来源：
Cehui Xuebao/Acta Geodaetica et Cartographica Sinica | 2022年 / 51卷 / 08期
基金：
中国国家自然科学基金;
关键词：
associated traveling; companion pattern; spatio-temporal topological relationships; trajectory; trajectory description;
D O I：
10.11947/j.AGCS.2022.20210365
中图分类号：
学科分类号：
摘要：
Associated traveling becomes new research highlight in the fields of urban planning, traffic traveling, infectious disease prevention and controlling, crime investigation etc. Especially, effectively identifying the related behavior of individuals with subjective intentions (such as meeting and waiting) is considered as a difficult problem in the area of spatio-temporal cognition. In this paper, spatio-temporal trajectory of crime is studied. First, the inadequacy of the previous traveling trajectory description methods is analyzed, which indicating that the detailed point characteristics and the complete line characteristics of the traveling trajectory should be considered, based on that a travel trajectory description model considering the point-line characteristics is proposed. Second, a trajectory discrimination method of associated traveling is proposed based on spatio-temporal topological relationship, which can describe four basic associated traveling trajectory modes including meeting, waiting, coexistence and companion, further distinguishing 19 different associated traveling subtypes. Finally, the effectiveness of the method is validated by an experimental comparison. © 2022 SinoMaps Press. All rights reserved.
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页码：1807 / 1816
页数：9
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