[1] M. A. Sutton, M. Cheng, W. H. Peters, Y. J. Chao, and S. R. McNeill, Image Vision Comput. 4, 143 (1986).
[2] C. Tang, M. Liu, H. Yan, G. Zhang, and Z. Chen, Chin. Opt. Lett. 2, 574 (2004).
[3] J. Zhao, P. Zeng, L. Lei, and Y. Ma, Opt. Laser Eng. 50, 473 (2012).
[4] C. Wang, J. Deng, G. A. Ateshian, and C. T. Hung, J. Biomech. Eng. 124, 557 (2002).
[5] M. A. Sutton, J. L. Turner, H. A. Bruck, and T. A. Chae, Exp. Mech. 31, 168 (1991).
[6] B. Pan, A. Asundi, H. Xie, and J. Gao, Opt. Laser Eng. 47, 865 (2009).
[7] B. Pan, H. Xie, and Z. Wang, Appl. Opt. 49, 5501 (2010).
[8] P. Craven and G. Wahba, Numer. Math. 31, 377 (1978).
[9] D. M. Bates, M. J. Lindstrom, G. Wahba, and B. S. Yandell, Commun. Statist. Simul. Comput. 16, 263 (1987).