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城市地区的电子地图兴趣点(POI)主要包括城市内具有标志性作用的实体建筑物,并描述这些实体建筑物的空间和属性信息。对POI数据重分类,定量识别出城市单一功能区及混合功能区,选定基本颜色表示单一功能区,借鉴RGB颜色加色法对城市混合功能区进行可视化。经与城市总体规划图对比分析,结果表明,城市功能区识别结果更为细致准确。
Abstract：Urban points of interest(POI)data can reflect urban activities.We can identify urban functional area to a certain degree from POIs as the data of describing the city's landmark buildings.In this paper we reclassify POIs data and identify the urban single functional area and urban mixed functional area quantitatively.Then we choose the basic colors to describe single functional area and employ the additive method of RGB color to describe mixed functional area.With the analysis of overall urban planning map and urban functional area map,the results show that the recognition effect is accurate,even the identified details of urban functional area are more accurate than that in urban planning map.
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基本信息:
DOI：10.14188/j.2095-6045.2016.02.017
中图分类号:TU984.113
引用信息:
[1]池娇,焦利民,董婷,等.基于POI数据的城市功能区定量识别及其可视化[J],2016,41(02):68-73.DOI:10.14188/j.2095-6045.2016.02.017.
基金信息:
国家自然科学基金资助项目(41571385)~~