[1] S. Sara, H. Gomi, T. Ninomiya, T. Inagki, and Y. Hamada, in Proceedings of AIAA 38th Aerospace Sciences Meeting and Exhibit 1 (2000).

[2] T. Liu and G. Fleming, in Proceedings of AIAA 44th Aerospace Sciences Meeting and Exhibit 35 (2006).

[3] X. Liu, “Research on methods of vision-based pose estimation for UAV autonomous landing” Master Thesis (Nanjing University of Aeronautics and Austronautics, 2005).

[4] H. Richard and Z. Andrew, Multiple View Geometry in Computer Vision (Cambridge University Press, London, 2003) p.56.

[5] S. Umeyama, IEEE Trans. Pattern Anal. Mach. Intell. 13, 376 (1991).