Title	A Discrete Wavelet Transform based Cryptographic algorithm
Author	Debayan Goswami, Naushad Rahman, Jayanta Biswas, Anshu Koul, Rigya Lama Tamang, A. K. Bhattacharjee
Citation	Vol. 11  No. 4  pp. 178-182
Keywords	Cryptography, Algorithm, Discrete Wavelet Transform, Wavelet Decomposition, Signal Processing.

Title	New Technique for Hiding Data in Audio File
Author	Mohammed Salem Atoum, Osamah Abdulgader Al- Rababah, Alaa Ismat Al-Attili
Citation	Vol. 11  No. 4  pp. 173-177
Keywords	Data Hiding, Steganography, Audio File.

Title	An Entropy Maximization based technique for Progressive Transmission of MRI Images
Author	Arunava De, Anup Kumar Bhattacharjee, Chandan Kumar Chanda, Bansibadan Maji
Citation	Vol. 11  No. 4  pp. 159-164
Keywords	Region of Interest, Discrete Cosine Transform, Particle Swarm Optimization, Computed Tomography, Magnetic Resonance Imaging, Within-class variance, Entropy, Intensity contrast, Progressive Transmission, Multi-resolution Wavelet Analysis, Stationary Wavelet

Title	A Secure Usability Design System for User Authentication
Author	Ayannuga Olanrewaju O., Folorunso Olusegun, Akinwale Adio T., Asiribo E. O.
Citation	Vol. 11  No. 4  pp. 151-158
Keywords	Authentication, Graphical Password, Security, Text Password and Usability.