地表特征
ground information
surface feature
Land surface characterization
Surface features
land surface feature
Land-surface characteristic
边缘特征
edge feature
Edge information extraction
edge characteristic
edge property
edge histogram
edge character
edge features
边缘特征萃取演算法
boundary extraction algorithm
边缘特征提取
edge extraction
extracting of edge feature
edge character detection
边缘特征增强
edge features enhancement
边缘自相似特征
Self similarity of fractal character
编排特征
characteristic of arrangement