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 Image Scrambling Algorithm for Digital Watermarking Based on Chaotic Sequences
Author	Zhu Liehuang, Li Wenzhuo, Liao Lejian, Li Hong
Citation	Vol. 6  No. 8  pp. 125-130
Keywords	Image Scrambling, Digital Watermarking, Chaotic Sequences, Cat Mapping.

Title	Role of Digital Watermark in e-governance and e-commerce
Author	S.S.Sherekar, V.M.Thakare, Sanjeev Jain
Citation	Vol. 8  No. 1  pp. 257-261
Keywords	e-governance, e-commerce, digital watermark, fingerprinting, integrity verification

Title	A Novel Scheme for Digital Rights Management of Images Using Biometrics
Author	N.Nagamalleswara Rao, P. Thrimurthy, B. Raveendra Babu
Citation	Vol. 9  No. 3  pp. 157-167
Keywords	Biometrics, Digital Watermarking, Digital Rights Management (DRM), Copyright protection, Discrete Cosine Transform (DCT), Singular Value Decomposition (SVD), Fingerprint, Minutiae Points