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2. Z. Zhao, N. Yu, X. Li, A novel video watermarking scheme in compression domain based on fast motion estimation, in: Proceeding of the IEEE Conference on Communication Technology, 2003, pp. 1878–1882.
3. Passive detection of doctored JPEG image via block artifact grid extraction;Li;Signal Process.,2009
4. A leak and its remedy in JPEG image encryption;Li;Int. J. Comput. Math.,2007
5. W. Li, Y. Yuan, Visual information encryption in frequency domain: risk and enhancement, Lecture Notes in Computer Science, vol. 4153, 2006, pp. 225–234.