Zobrazeno 1 - 10 of 15 pro vyhledávání: '"Zeyuan Dai"'
1
Akademický článek
A Self-Adaptive Compression Method for Ship Trajectories without Threshold Setting
Autor: Lihua Zhang, Yinfei Zhou, Lulu Tang, Shuaidong Jia, Zeyuan Dai
Publikováno v: Journal of Marine Science and Engineering, Vol 12, Iss 6, p 980 (2024)
Addressing the shortcomings of existing ship trajectory compression methods that rely on the empirical setting of a fixed threshold and face challenges in controlling the spatial similarity before and after compression, this paper proposes a self-ada
Externí odkaz: https://doaj.org/article/8713b49504834be2b93159ac5e82ffe5
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2
Akademický článek
Improved Shuffled Binary Grasshopper Optimization Feature Selection Algorithm
Autor: ZHAO Zeyuan, DAI Yongqiang
Publikováno v: Jisuanji kexue yu tansuo, Vol 15, Iss 7, Pp 1339-1349 (2021)
Feature selection is to select the optimal or relatively optimal feature subsets from the original feature set of the data set to speed up classification and improve classification accuracy. An improved shuffled binary grass-hopper optimization featu
Externí odkaz: https://doaj.org/article/0ef1c6b196834874a2d07fd6263c627b
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3
Akademický článek
A Collaborative Simplification Method for Multiple Coastlines Based on the Hierarchical Triangulation Network Partition
Autor: Lihua ZHANG,Lulu TANG,Shuaidong JIA,Zeyuan DAI
Publikováno v: Journal of Geodesy and Geoinformation Science, Vol 3, Iss 2, Pp 93-104 (2020)
For the current automatic coastline generalization method, only one-line element is considered separately, but the relationship between the nearby elements is not effectively considered. A synergistic simplification method for multiple coastlines bas
Externí odkaz: https://doaj.org/article/11874e9770ec4da396373ed2f9ab9ec9
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6
Automatic Ship Routing with High Reliability and Efficiency between Two Arbitrary Points at Sea
Autor: Zeyuan Dai, Shuaidong Jia, Lihua Zhang
Publikováno v: Journal of Navigation. 72:430-446
Due to the limitations of the existing methods (for example, the route binary tree method) that can only automatically generate routes based on a single chart, a method for automatically generating the shortest distance route based on an obstacle spa
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6e282bd998627f6cad9dbf3be7f8e370
https://doi.org/10.1017/s0373463318000814
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7
Shipping Density Assessment Based on Trajectory Big Data
Autor: Lihua Zhang, Hengxiu Pang, Shuaidong Jia, Zeyuan Dai
Publikováno v: IOP Conference Series: Earth and Environmental Science. 310:022032
Due to the current shortage of maritime shipping density assessment methods, a method of shipping density assessment based on trajectory big data is proposed. Firstly, in order to obtain the trajectories following the actual situation, the AIS data i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4e93157efcb43ab03d4afc90870a80de
https://doi.org/10.1088/1755-1315/310/2/022032
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10
A Method of Fairway Boundary Extraction Based on AIS Data
Autor: Lihua Zhang, Sun Xiaolu, Lulu Tang, Zeyuan Dai, Shuaidong Jia
Publikováno v: IOP Conference Series: Earth and Environmental Science. 237:032049
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, th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::271e4e7d19ea845ae1d4fa0a75215415
https://doi.org/10.1088/1755-1315/237/3/032049
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