基于POI大数据划分与识别城市功能区——以南宁市中心城区为例  

Division and Identification of Urban Functional Areas Based on POI Data-A Case Study of Nanning Downtown Area

作　　者：黄慧敏 龙嘉露 吴宁邦 韦二扬 HUANG Huimin;LONG Jialu;WU Ningbang;WEI Eryang(School of Natural Resources and Surveying,Nanning Normal University,Nanning,Guangxi Zhuang Autonomous Region,530001 China)

机构地区：[1]南宁师范大学自然资源与测绘学院,广西南宁530001

出　　处：《科技资讯》2021年第14期1-5,共5页Science & Technology Information

基　　金：南宁师范大学2020年自治区级大学生创新创业训练计划项目(项目编号:202010603162);广西师范学院青年科研基金(项目编号:0807-QNJJ2015001)。

摘　　要：准确识别城市功能用地,有助于了解城市内部空间结构,为城市规划与管理提供决策依据。基于道路网对研究区进行不规则分割,选取地理实体占地面积和公众认知度对各类POI数据核密度进行加权,建立城市功能区定量识别方法,输出城市功能区识别结果并进行分析和研究。研究表明,该方法能对城市功能区进行精细划分和识别,识别的总体精度达到70.56%。Accurate identification of urban functional areas is helpful to understand the urban internal spatial structure and provide decision-making basis for urban planning and management.The study area is segmented irregularly based on the road network,the area of geographical entities and the public recognition are selected to weight the kernel density of various POI data,to create quantitative identification method of urban functional areas and to output and analyze the identification results of urban functional areas.The results show that this method can divide and identify the urban functional areas precisely,and the identification accuracy is 70.56%.

关 键 词：POI大数据 城市功能区 OSM路网 核密度分析 

分 类 号：K901[历史地理—人文地理学]