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-  2017 

基于粗集的多尺度空间拓扑关系 不确定性定量评价模型
Quantitative Evaluation Model of the Uncertainty of Multi-scale Space Topological Relations Based on Rough-Set

DOI: 10.13203/j.whugis20140904

Keywords: 多尺度表达,拓扑关系,不确定性,粗集,拓扑距离,
multi-scale representation
,topological relations,uncertainty,rough set,topological distance

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Abstract:

空间拓扑关系不确定性的定量评价可为多尺度拓扑关系一致性的自动评价、空间推理与空间查询等应用的可靠性提供依据。定义了基于几何度量的拓扑距离,构建了拓扑关系不确定性的粗集表达模型;提出了不确定性粗集表达中拓扑距离的量化方法;进而提出了基于粗集的多尺度空间拓扑关系不确定性度量指标。实例研究证明了本文提出模型的科学性与合理性,该方法可用于多尺度表达过程中引起的拓扑关系不确定性的定量评价

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