基于圈层结构的游客活动空间边界提取新方法
吴朝宁, 李仁杰, 郭风华

A novel method for extracting spatial boundary of tourist activity based on circle structure
WU Zhaoning, LI Renjie, GUO Fenghua
图6 不同景区的“Hie-Density”分析和游客活动空间边界提取结果(f1f2f3f4分别代表标准差椭圆、最小多边形、传统点核密度和优化核密度的“Hie-Density”4种方法的边界提取结果)
Fig. 6 Analysis of the "Hie-Density" and results of extracting the spatial boundary of tourist activity in different scenic spots (f1, f2, f3 and f4 represent standard deviation ellipse, minimum bounding, the "Hie-Density" based on kernel density by traditional method and optimized triangulation, respectively)