Title	Contrast Enhancement Technique of Dark Blurred Image
Author	Naglaa Yehya Hassan, Norio Aakamatsu
Citation	Vol. 6  No. 2  pp. 223~226
Keywords	Digital image, sigmoid function, contrast enhancement, image processing and un-sharp masking.

Title	Self-Stabilizing Model of A Memory Controller based on the Cellular Automata
Author	Katsumi Wasaki
Citation	Vol. 8  No. 3  pp. 222-227
Keywords	Cellular Automata, Self-Stabilizing, Fault Tolerant and Fault Masking

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	A Novel Pragmatic RRW Framework to Resist on Unintentional Attacks
Author	K.Sudhakar, P.Anitha
Citation	Vol. 15  No. 8  pp. 77-79
Keywords	Integer wavelet transform, k-means clustering, masking, robust reversible watermarking (RRW).