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Heipke C, Steger C. A., 1995. Hierarchical approach to automatic road extraction from aerial imagery. Integrating 
photogrammetric techniques with scene analysis and machine vision IL SPIE Proceedings Series, Vol 2486,pp.222 
-231. 
Hu X Y., 1998. Semiautomatic road extraction from aerial image based on template matching (in Chinese). 
Wuhan Technical University of Surveying and Mapping, Wuhan. 
Quam L H., 1985. Road tracking and anomaly detection in aerial imagery. In: SRI International AI Center 
Technical Note 158,Proc of the DAPRA Image Understanding Workshop. 
Trinder J, Li H H., 1995. Semiautomatic feature extraction by snakes. In: Automatic extraction of man made 
objects from aerial and space images, Birkhaeuser Verlag, pp. 95-104. 
Zhang Z Z, Zhang J Q., 1996. Digital photogrammetry (in Chinese). Wuhan Technical University of Surveying 
and Mapping Press, Wuhan. 
Zhong Y X., 1993. Theories and technologies of intelligence—artificial intelligence and neural network (in 
Chinese). People’s Postal Press, Beijing. 
  
International Archives of Photogrammetry and Remote Sensing. Vol. XXXIII, Part B3. Amsterdam 2000. 999