4Baumgartner A,Steger C,Mayer H,et al.Automatic Road Extrac-tion in Rural Areas[J].International Archives of Photogrammetryand Remote Sensing,1999,32(3;SECT 2W5):107-112.
5Mayer H,Laptev I,Baumgartner A.Multi-scale and Snakes forAutomatic Road Extraction[J].Computer Vision-ECCV’98,1998:720-733.
6Hinz S,Baumgartner A,Steger C,et al.Road Extraction in Ruraland Urban Areas[J].Semantic Modeling for the Acquisition ofTopographic Information from Images and Maps,1999:7-27.
7Barsi A,Heipke C,Willrich F.Junction Extraction by ArtificialNeural Network System-JEANS[J].International Archives ofPhotogrammetry Remote Sensing and Spatial Information Sciences,2002,34(3/B):18-21.
8Teoh C Y,Sowmya A.Junction Extraction from High ResolutionImages by Composite Learning[J].International Archives of Photo-grammetry and Remote Sensing,2000,33(B3/2;PART 3):882-888.
9Boichis N,Viglino J M,Cocquerez J.Knowledge Based System forthe Automatic Extraction of Road Intersections from Aerial Iimages[J].International Archives of Photogrammetry and Remote Sens-ing,2000,33(B3):27-34.
10Chen C C,Thakkar S,Knoblock C,et al.Automatically Annotatingand Integrating Spatial Datasets[J].Advances in Spatial and Tem-poral Databases,2003:469-488.