Title	Human Visual System Sentient Imperceptible and Efficient Wavelet-Based Watermarking Scheme for Copyright Protection of Digital Images
Author	V. Padmanabha Reddy, S. Varadarajan
Citation	Vol. 9  No. 4  pp. 255-264
Keywords	Digital Watermarking, Copyright Protection, Human Visual System (HVS), Entropy Masking, Robust, Discrete Wavelet Transform (DWT), Haar Wavelet Transform, Lifting Scheme, Correlation coefficient.

Title	Audio Watermarking by Hybridization of DWT-DCT
Author	Ghulam Ali, Muhammad Tahir Mumtaz, Inam Ul Haq, Zia Ul Rehman, Nazir Ahmad, Zunaira Saleem, Sohail Iqbal, Khurshid Asghar, Muhammad Tayyab Mumtaz
Citation	Vol. 17  No. 8  pp. 19-27
Keywords	Audio watermarking, Discrete Wavelet Transform, Discrete Cosine Transform, Human Auditory System, Human Visual System, Adding White Gaussian Noise.