1. S. J. Boege, E. S. Bliss, C. J. Chocol, F. R. Holdener, J. L. Miller, J. S. Toeppen, C. S. Vann, R. A. Zacharias. NIF pointing and centering systems and target alignment using a 351-nm laser source. In Proceedings of the SPIE 3047, SPIE, Paris, France, pp. 248–258, 1997.
2. P. Di Nicola, D. Kalantar, T. McCarville, J. Klingmann, S. Alvarez, R. Lowe-Webb, J. Lawson, P. Datte, P. Danforth, M. Schneider, J. M. Di Nicola, J. Jackson, C. Orth, S. Azevedo, R. Tommasini, A. Manuel, R. Wallace. Beam and target alignment at the national ignition facility using the target alignment sensor. In Proceedings of the SPIE 8505, SPIE, San Diego, USA, pp. 1–9, 2012.
3. C. Stauffer, W. E. L. Grimson. Adaptive background mixture models for real-time tracking. In Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition, IEEE, Fort Collins, USA, vol. 2, pp. 246–252, 1999.
4. Z. Zivkovic. Improved adaptive Gaussian mixture model for background subtraction. In Proceedings of the 17th International Conference on Pattern Recognition, IEEE, Cambridge, UK, vol. 2, pp. 28–31, 2004.
5. A. Yilmaz, O. Javed, M. Shah. Object tracking: A survey. ACM Computing Surveys, vol. 38, no. 4, pp. 1–45, 2006.