期刊名称：International Journal of Computer Science and Information Technologies
电子版ISSN：0975-9646
出版年度：2015
卷号：6
期号：6
页码：5137-5140
出版社：TechScience Publications
摘要：Due to the emergence of the online applications user data along the network is not very secure. Also in surveillance applications data security is essential. In this paper, a two folded security is considered, where first using Least Significant Bits (LSB) stenography data decryption key is send in advance to the receiver. Later actual information is send using digital watermarking as an encrypted image. This twofold security makes the information more secure. In the watermarked technique Discrete Cosine Transform (DCT) is considered. The performance measure is done in terms of Peak Signal to Noise Ratio (PSNR) and Structural Similarity (SSIM).
