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ISPRS Int. J. Geo-Inf. 2019, 8(2), 98;

An Intuitionistic Fuzzy Similarity Approach for Clustering Analysis of Polygons

Department of Information Engineering, China University of Geosciences, Wuhan 430074, China
National Engineering Research Center of Geographic Information System, China University of Geosciences, Wuhan 430074, China
Author to whom correspondence should be addressed.
Received: 14 December 2018 / Revised: 6 February 2019 / Accepted: 20 February 2019 / Published: 23 February 2019
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Accurate and reasonable clustering of spatial data results facilitates the exploration of patterns and spatial association rules. Although a broad range of research has focused on the clustering of spatial data, only a few studies have conducted a deeper exploration into the similarity approach mechanism for clustering polygons, thereby limiting the development of spatial clustering. In this study, we propose a novel fuzzy similarity approach for spatial clustering, called Extend Intuitionistic Fuzzy Set-Interpolation Boolean Algebra (EIFS-IBA). When discovering polygon clustering patterns by spatial clustering, this method expresses the similarities between polygons and adjacent graph models. Shape-, orientation-, and size-related properties of a single polygon are first extracted, and are used as indices for measuring similarities between polygons. We then transform the extracted properties into a fuzzy format through normalization and fuzzification. Finally, the similarity graph containing the neighborhood relationship between polygons is acquired, allowing for clustering using the proposed adjacency graph model. In this paper, we clustered polygons in Staten Island, United States. The visual result and two evaluation criteria demonstrated that the EIFS-IBA similarity approach is more expressive compared to the conventional similarity (ConS) approach, generating a clustering result more consistent with human cognition. View Full-Text
Keywords: clustering; similarity approaches; EIFS-IBA clustering; similarity approaches; EIFS-IBA

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Chen, Z.; Ma, X.; Wu, L.; Xie, Z. An Intuitionistic Fuzzy Similarity Approach for Clustering Analysis of Polygons. ISPRS Int. J. Geo-Inf. 2019, 8, 98.

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