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An integrated framework for linear pattern extraction in the building group generalization process
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DOI：10.1080/10106049.2018.1458253.png)
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摘要
En 中文
Building pattern extraction is an essential step in building generalization. Although many studies have already been conducted, there is a lack of a framework for extracting building patterns. To overcome this problem, an integrated framework for extracting building linear patterns is presented. First, an aggregation function is presented based on the TOPSIS method, which determines the similarity index in terms of area, shape, rectangularity and distance similarities. This results in the extraction of straight and perpendicular patterns using the similarity index and orientation difference criteria. Second, a refinement strategy is proposed, which refines the extracted patterns using a novel definition of the pattern interaction index. To evaluate the proposed model, the complete building group generalization process is implemented using a data-set at 1:25 k scale. The evaluation results allowed us to conclude that the proposed model produces meaningful results, and therefore it would be beneficial in the generalization process.
Keyword:
Building patterns
cartography
map generalization
neighbourhood concept
GIS
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