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	Geometric-Invariant Image Watermarking by Object-Oriented Embedding
Author	Yu-Tzu Lin, Ja-Ling Wu, Yu-Feng Kuo
Citation	Vol. 6  No. 3  pp. 169-180
Keywords	Watermarking, geometric attacks, affine-resistance, image normalization, blind watermarking.

Title	Separation of Convolutive Mixtures of Cyclostationary Sources by Reference Contrasts
Author	K. Sabri, M. Taoufiki, A. Adib, D. Aboutajdine, M. El Badaoui, F. Guillet
Citation	Vol. 6  No. 3  pp. 224-229
Keywords	Cyclic statistics, Blind Source Separation, Convolutive mixture, Reference contrast, Cyclostationarity.

Title	Referenced Contrast: A New Approach to the Blind Deconvolution of MIMO Channels
Author	Manal Taoufiki, Abdellah Adib, Driss Aboutajdine
Citation	Vol. 6  No. 3  pp. 87-91
Keywords	Reference signals, contrast, convolutive mixture, blind source separation