Title	A New Audio Watermarking System using Discrete Fourier Transform for Copyright Protection
Author	Pranab Kumar Dhar, Mohammad Ibrahim Khan, Jong-Myon Kim
Citation	Vol. 10  No. 6  pp. 35-40
Keywords	Copyright protection, digital watermarking, multimedia contents, discrete Fourier transform

Title	A Modified Spectral Modeling Synthesis Algorithm for Whale Sound
Author	Pranab Kumar Dhar, Mohammad Ibrahim Khan, Kaushik Deb, Jong-Myon Kim
Citation	Vol. 10  No. 9  pp. 34-41
Keywords	Spectral modeling synthesis, whale sound, short time Fourier transform

Title	An Improved JPEG Image Compression Algorithm by Modifying Luminance Quantization Table
Author	Lamia Alam, Pranab Kumar Dhar, Mirza A. F. M. Rashidul Hasan, Mohammed Golam Sarwar Bhuyan, Golam Moktader Daiyan
Citation	Vol. 17  No. 1  pp. 200-208
Keywords	JPEG image compression luminance quantization table compression ratio mean square error peak signal-to-noise ratio

Title	Audio Zero-Watermarking Based on Discrete Hartley Transform and Non-Negative Matrix Factorization
Author	Pranab Kumar Dhar, Emtiaj Hasan, and Tetsuya Shimamura
Citation	Vol. 17  No. 8  pp. 11-18
Keywords	Copyright protection Discrete Hartley transform Non-negative matrix factorization Zero watermarking