1. Quantization index modulation: a class of provably good methods for digital watermarking and information embedding
2. [2] J. Eggers, R. Bäuml, and B. Girod, “Estimation of amplitude modifications before scs watermark detection, ” in Security and Watermarking of Multimedia Contents IV, Proc. SPIE, vol. 4675, pp. 387-398, 2002.
3. [3] K. Lee, D. Kim, and K. A. Moon, “Em estimation of scale factor for quantization-based audio watermarking, ” in Proceedings of Second International Workshop on Digital Watermarking, Springer Verlag, pp. 316-327, 2003.
4. [4] F. P. Gonzalez, C. Mosquera, M. Barni, and A. Abrardo, “Rational dither modulation: a high rate data-hiding method invariant to gain attacks, ” IEEE Trans. Signal Process., vol. 53, pp. 3960-3975, Oct. 2005.
5. [5] M. Steinebach, J. Dittmann, C. Seibel, L. C. Ferri, F. A. Petitcolas, N. Fates, C. Fontaine, and F. Raynal, “Stirmark benchmark: Audio watermarking attacks, ” in International Conference on Information Technology: Coding and Computing (ITCC '01), 2001.