Here, we propose a new method for recognizing a unique ship-handling behavior pattern based on multi-step sub-trajectory clustering analysis: (1) AIS trajectories are segmented to generate sub-trajectories and defined through 7-tuple coding; (2) 7-tuple data dimensionality reduction and data ...
7, implying that the elements of analysis may belong to more than one cluster, while others used a hierarchical cluster analysis3instead of the mixed cluster analysis used in the present research.
The problem of dimension reduction is of increasing importance in modern data analysis. In this paper, we consider modeling the collection of points in a high dimensional space as a union of low dimensional subspaces. In particular we propose a highly scalable sampling based algorithm that clusters...
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The analysis, carried out on the full and aftershock-depleted catalogues, was performed using the Allan Factor (AF) that allows the identificatiion and quantification of correlated temporal structures in temporal point processes. Our results, whose significance was analysed by means of two methods ...
It is shown that a formal concept (as defined in formal concept analysis) corresponds to the idea of a maximal bi-clique, while sub-contexts, which correspond to independent "conceptual worlds" that can be characterized by means of the new operators introduced, are disconnected sub-graphs in ...
III. Analysis of the structure and kinematics The detailed observations of the highly warped neutral hydrogen layer of the edge-on galaxy NGC 4013 have been analysed. To this aim a tilted ring model ha... R Bottema - 《Astronomy & Astrophysics》 被引量: 49发表: 1996年 Source Detection ...
"Rousseeuw, P. J. Silhouettes: A graphical aid to the interpretation and validation of cluster analysis. Journal of Computational and Applied Mathematics 20. PII: 0377042787901257, 53–65. ISSN: 03770427 (1987)"↩ Releases12 0.4.8Latest ...
Novel subgroups of adult-onset diabetes and their association with outcomes: a data-driven cluster analysis of six variables. Lancet Diabetes Endocrinol. 2018;6(5):361–369. (Open in a new window)PubMed (Open in a new window)Web of Science ®(Open in a new window)Google Scholar ...
镜头聚类是视频内容分析的重要途径。 3. Shot clustering is an important issue in the field of video content analysis. 镜头聚类是视频内容分析的重要途径 。 更多例句>> 3) video shots clustering 视频镜头聚类 例句>> 4) shot classification 镜头分类 ...