Issue 20 of Volume 74

New Challenges for Clustering in Large Data Base

Authors: Archana Tomar, Deepshikha Patel, Nitesh Gupta

A Modified Adaptive PCA Learning based Method for Image Denoising

Authors: Ghada Mounir Shaker, Alaa A. Hefnawy, Moawed I.Dessouky

An Enhanced Symmetric Key Cryptography Algorithm to Improve Data Security

Authors: Krishna Kumar Pandey, Vikas Rangari, Sitesh Kumar Sinha

Digital Watermarking using Discrete Wavelet Transform

Authors: Malika Narang, Sharda Vashisth