[1] [1] E. N. Mortensen and W. A. Barrett, in Proceedings of the 22nd Annual Conference on Computer Graphics and Interactive Techniques 191 (1995).

[2] [2] P. Guo and H. Lu, Acta Opt. Sin. (in Chinese) 22, 1479 (2002).

[3] [3] C. Rother, V. Kolmogorov, and A. Blake, ACM Trans-actions on Graphics 23, 309 (2004).

[4] [4] J. Jia, J. Sun, C.-K. Tang, and H.-Y. Shum, ACM Transactions on Graphics 25, 631 (2006).

[5] [5] Y. Chen and C. Han, Chin. Opt. Lett. 5, 25 (2007).

[6] [6] P. Pérez, M. Gangnet, and A. Blake, ACM Transactions on Graphics 22, 313 (2003).

[7] [7] Y.-Y. Chuang, B. Curless, D. H. Salesin, and R. Szeliski, in Proceedings of IEEE CVPR 264 (2001).

[8] [8] J. Wang and M. F. Cohen, in Proceedings of IEEE CVPR 1 (2007).

[9] [9] Y. Li, J. Sun, C.-K. Tang, and H.-Y. Shum, ACM Transactions on Graphics 23, 303 (2004).

[10] [10] L. Neumann and A. Neumann, in Proceedings of Computational Aesthetics in Graphics, Visualization and Imaging 111 (2005).

[11] [11] F. Pitié, A. C. Kokaram, and R. Dahyot, in Proceedings of the Tenth IEEE International conference on Computer Vision 1434 (2005).

[12] [12] S. Sun, Z. Jing, G. Liu, and Z. Li, Chin. Opt. Lett. 3, 448 (2005).

[13] [13] T.-P. Wu, C.-K. Tang, M. S. Brown, and H.-Y. Shum, ACM Transactions on Graphic 26, Article 8 (2007).

[14] [14] R. C. Gonzalez and R. E. Woods, Digital Image Processing (2nd edn.) (Prentice Hall, Englewood Cliffs, 2002).

[15] [15] D.-C. Tseng, Y.-F. Li, and C.-T. Tung, in Proceedings of ICDAR 673 (1995).