道路网约束下的城市兴趣点选取A new selection approach for urban POI constrained by road network
郭沛沛,李成名,殷勇,丁圣陶
摘要(Abstract)：
针对道路对城市内部兴趣点数据分布有密切的约束关系,故城市内POI数据往往呈现出沿着道路分布的特征这一现象,提出一种在道路网约束下城市内部POI数据的选取算法。通过建立道路网的拓扑结构,根据POI数据的分布位置分为道路周边分布的和远离道路分布的两大类,对道路周边的点使用"间苗法"选取,对远离道路分布的点根据其分布模式决定采用"随机法"或其他方法选取。算法采用实际数据进行实验,切实可行,并得到了合理的结果。
关键词(KeyWords)： POI选取;道路网;拓扑结构;间苗法;随机法
基金项目(Foundation): 科技部公益性行业专项(B1403);; 测绘地理信息公益性行业科研专项(201412003)
作者(Author): 郭沛沛,李成名,殷勇,丁圣陶
DOI: 10.16251/j.cnki.1009-2307.2017.01.012
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