基于多源地理大数据的城市多中心识别方法
吕永强, 于新伟, 杨朔, 郑新奇

Identification of the polycentric urban structure based on multi-source geographic big data
LYU Yongqiang, YU Xinwei, YANG Shuo, ZHENG Xinqi
图3 基于分水岭的区域分割算法结果
Fig.3 Spatial divisions partitioned by the watershed-based partition approach