[1] J. P. W. Pluim, J. B. A. Maintz, and M. A. Viergever, IEEE Trans. Medical Imaging 22, 986 (2003).
[2] P. Viola and W. M. Wells III, in Proceedings of the 5th International Conference on Computer Vision 16 (1995).
[3] J. X. Ji, H. Pan, and Z.-P. Liang, IEEE Trans. Medical Imaging 22, 1131 (2003).
[4] J. Tsao, IEEE Trans. Medical Imaging 22, 854 (2003).
[5] B. Likar and F. Pernus, Image and Vision Computing 19, 33 (2001).
[6] J. P. W. Pluim, J. B. A. Maintz, and M. A. Viergever, IEEE Trans. Medical Imaging 19, 809 (2000).
[7] X. Yang, J. H. Pei, and W. X. Xie, J. Commun. (in Chinese) 26, (4) 34 (2005).
[8] R. C. Eberhart and J. Kennedy, in Proceedings of Sixth International Symposium on Micro Machine and Human Science 39 (1995).