3Gruen A, Zhang L, Wang X. 3D city modeling with TLS (Three Line Scanner) data[J]. International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2003, 34:24 -27.
4Fruh C, Zakhor A. Constructing 3D city models by merging aerial and ground views[J]. Computer Graphics and Applications, IEEE, 2003, 23(6): 52- 61.
5Haala N, Kada M. An update on automatic 3D buil ding reconstruction[J]. ISPRS Journal of Photog rammetry and Remote Sensing, 2010, 65(6): 570 -5 80.
6OHLE J. Photogrammetric Measurements in Oblique Aerial- Images[ M ]. Photogrammetrie Fernerkundung C:oinforma - tion . 2008.