1. Basler (2009). Basler vision technologies. http://www.baslerweb.com/ .
2. Gupta, R., & Hartley, R. I. (1995). Camera estimation for orbiting pushbrooms. In The proc. of second Asian conference on computer vision (Vol. 3).
3. Gurdjos, P., & Payrissat, R. (2001). Calibration of a moving camera using a planar pattern: a centre line-based approach for varying focal length. In British machine vision conference, session 7: geometry & structure.
4. Lecture notes in computer science;H. F. S. Hirschmüller,2005
5. Ishiguro, H. Y. H., & Tsuji, S. (1992). Omni-directional stereo. IEEE, Transactions on Pattern Analysis and Machine Intelligence, 257–262.