地形图点状符号自动识别中不变性特征参数的提取
叶建栲, 刘岳
Invariant Features Extraction of Map Symbols
YE Jian-kao, LIU Yue
地理科学进展 . 2001, (s1): 88 -94 .  DOI: 10.11820/dlkxjz.2001.s1.010