1. Sunil Lee, Chang D. Yoo, and Ton Kalker, "Reversible Image Watermarking Based on Integer-to-Integer Wavelet Transform," IEEE Transactions on Information Forensics and Security, vol. 2, no. 3, pp. 321-330, September 2007.
2. Dalwon Jang, Chang D. Yoo, "A Novel Embedding Method For an Anti-Collusion Fingerprinting by Embedding Both a Code and an Orthogonal Fingerprint," In Proceedings of IEEE International Conference on Acoustics, Speech and Signal Processing, Toulouse, France, vol. 5, pp. 485-488, May 2006.
3. Jin S. Seo and Chang D. Yoo, "Image watermarking based on invariant regions of scale-space representation," IEEE Transactions on Signal Processing, vol. 54, no. 4, pp. 1537-1549, April 2006.
4. Jin S. Seo and Chang D. Yoo, "A robust registration method for a periodic watermark using Radon transform," IEICE transactions on Fundamentals of Electronics, Communications and Computer Sciences, vol. E87-A, no. 8, pp. 2048-2050, August 2004.
5. Jin S. Seo and Chang D. Yoo, "Localized image watermarking based on feature points of scale-space representation," Pattern Recognition, vol. 37, no. 7, pp. 1365-1375, July 2004.
6. Jin S. Seo and Chang D. Yoo, "Correlation detection of asymmetric watermark," In Proceedings of IEEE Pacific-Rim Conference on Multimedia, Beijing, China, vol. 2195, pp. 638-645, October 2001.
7. Seungjae Lee, Dalwon Jang and Chang D. Yoo, "An SVD-Based Watermarking Method for Image Content Authentication with Improved Security," In Proceedings of IEEE International Conference on Acoustics, Speech and Signal Processing, Philadelphia, Pennsylvania, USA, vol. 2, pp. 525-528, March 2005.
8. Jin S. Seo and Chang D. Yoo, "Image watermarking based on scale-space representation," In Proceedings of IS&T/SPIE Electronic Imaging, San Jose, California, USA, vol. 5306, pp. 560-570, January 2004.
9. Jin S. Seo and Chang D. Yoo, "On the design of template in the autocorrelation domain," In Proceedings of IS&T/SPIE Electronic Imaging, vol. 4675, pp. 305-312, San Jose, California, USA, January 2002.