Title	Synchronous Counterfeiting Attacks on self-embedding Watermarking Schemes
Author	Hongjie He, Jiashu Zhang, Hongxia Wang
Citation	Vol. 6  No. 1  pp. 251~257
Keywords	Self-embedding watermarking, Counterfeiting attacks, Vector quantization attack, the offset

Title	A Lossless Watermarking Scheme for Halftone Image Authentication
Author	Jeng-Shyang Pan, Hao Luo, Zhe-Ming Lu
Citation	Vol. 6  No. 2  pp. 147~151
Keywords	Halftone image, Lossless watermarking, Hash sequence, Image authentication

Title	Ridgelet-Based Robust and Perceptual Watermarking for Images
Author	Xiao Liang, Wei Zhihui, Wu Huizhong
Citation	Vol. 6  No. 2  pp. 194~201
Keywords	Information security, digital watermark, ridgelet transform, perceptual embedding, blindly detection

Title	A Novel Watermark Algorithm for Integrity Protection of XML Documents
Author	Ronghua Yao, Qijun Zhao, Hongtao Lu
Citation	Vol. 6  No. 2  pp. 202~207
Keywords	Extensible Markup Language (XML), Integrity Protection, Watermark, Signature, Principal Component Analysis (PCA)