一种基于POI大数据的城市核心区识别方法
康翔,潘剑君,朱燕香,白浩然,卢晓丽

A Method for Identifying the Urban Nuclei based on POI Big Data
Xiang Kang,Jianjun Pan,Yanxiang Zhu,Haoran Bai,Xiaoli Lu
图8部分核心区识别结果、夜间灯光影像、百度热力图比较
Fig.8 The comparison of partial identified urban nuclei, nighttime light data image and Baidu thermodynamic map