1. M. Kutter, “Watermarking resisting to translation, rotation, and scaling,” in Proc. of SPIE Int. Conf. on Multimedia Systems and Applications, 1998, vol. 3528, pp. 423–431.
2. C-Y. Lin, M. Wu, J.A. Bloom, I.J. Cox, M.L. Miller, and Y-M. Lui, “Rotation, Scale, and Translation Resilient Public Watermarking for Images,” in Proc. of SPIE Int. Conf. on Security and Watermarking of Multimedia Contents II, San Jose, USA, January 2000, vol. 3971, pp. 90–98.
3. J. Haitsma, M. van der Veen, F. Bruekers, and T. Kalker, “Audio Watermarking for Monitoring and Copy Protection,” in Proc. of ACM Multimedia, Marina del Rey, USA, November 2000, pp. 119–122.
4. C-P. Wu, P-C. Su, and C-C. J. Kuo, “Robust and efficient digital audio watermarking using audio content analysis,” in SPIE Int. Conf. on Security and Watermarking of Multimedia Contents II, San Jose, USA, January 2000, vol. 3971, pp. 382–392.
5. D. Kirovski and H. Malvar, “Robust spread-spectrum audio watermarking,” in IEEE International Conference on Acoustics, Speech,and Signal Processing, Salt Lake City, Utah, USA, May 2001, pp. 1345–1348.