面向空间关联的多源矢量数据空间实体匹配方法Spatial entities matching technology of multi-source spatial vector data for spatial association
姜晶莉,郭黎,李豪,王云阁
摘要(Abstract):
针对利用几何匹配技术建立多源数据间的映射关联关系这一空间关联领域的热点,该文提出面向空间关联的多源矢量数据空间实体匹配方法,通过对点、线、面实体进行几何匹配,得到多源矢量数据空间实体间的映射关系,进而建立起多源矢量数据间的空间关联。此外,以深圳市标准导航数据与深圳市开放街道地图(OSM)数据为例进行了实验。实验结果表明,阈值的选取对匹配精度有很大影响,当阈值选取合适时,该文算法能较为有效地进行点、线、面实体间的几何匹配,从而建立起多源矢量数据空间实体间的关联关系,其精度及正确率较高,具有较强的实用性。
关键词(KeyWords): 空间关联;多源矢量数据;空间实体;几何匹配
基金项目(Foundation): 国家自然科学基金项目(41471314,41001313)
作者(Author): 姜晶莉,郭黎,李豪,王云阁
DOI: 10.16251/j.cnki.1009-2307.2020.04.026
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