[1] Guan H, Smith W A P. Structure-from-motion in spherical video using the von mises-fisher distribution［J］. IEEE Transactions on Image Processing, 2017, 26(2): 711-723.

[2] Zheng Y, Kuang Y, Sugimoto S, et al. Revisiting the PnP problem: a fast, general and optimal solution［C］∥2013 IEEE International Conference on Computer Vision, December 1-8, 2013, Sydney, NSW, Australia. New York: IEEE, 2013: 2344-2351.

[3] Urban S, Leitloff J, Hinz S. MLPnP-a real-time maximum likelihood solution to the perspective-n-point problem［J］. ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016, Ⅲ-3: 131-138.

[4] Lange K. Block Relaxation［M］. New York: Springer, 2013: 171-183.

[5] Gallego G, Yezzi A. A compact formula for the derivative of a 3-D rotation in exponential coordinates［J］. Journal of Mathematical Imaging and Vision, 2015, 51(3): 378-384.

[6] He Y, Li S L, Guo Q. Position and orientation method for missile vehicle by observing landmarks［J］. Chinese Journal of Scientific Instrument, 2016, 37(4): 751-756.