5Maas H,G Vosselman. Two algorithms for extracting building models from raw laser altimetry data [J]. ISPR.S Journal of Photogrammetry & Remote Sensing, 1999, 54(2-3): 153-163.
6Haala N. Detection of buildings by fusion of range and image data [J]. International Archives of Photogrametry and Remote Sensing, 1994, 30(3/1):341-346.
7Rottensteiner F, Ch Briese. A new method for building extraction in urban areas from high-resolution LIDAR data EDB/CD]. Graz, Austria: ISPRS Commission III Symposium "Photogrammetric Computer Vision", 2002.
8Zhao Zhiyuan. Line Simplification [EB/OL] .http://mapcontext.com/ autocarto/proceedings/auto-carto- 13/pdf/linear-time-sleeve-fitting-polyl ine-simplification-algorithms.pdf, 2010.
9Xuejing Sun,The Determination,Analysis,and Synthesis of Fundamental Frequency [D].