TITLE:
A Simple Steganography Algorithm Based on Lossless Compression Technique in WSN
AUTHORS:
R. Vijayarajeswari, A. Rajivkannan, J. Santhosh
KEYWORDS:
Image Security, Steganography, Compression, Secret Image, Cryptography
JOURNAL NAME:
Circuits and Systems,
Vol.7 No.8,
June
9,
2016
ABSTRACT: Image security has wide applications in data transferring from
source to destination system.However, cryptography is a data secrecy technique between sender and
receiver, the steganography increases the level of security and acts a
protective layer to the hidden information within the source image. In this
paper, a compression scheme based image security algorithm for wireless sensor
network is proposed to hide a secret color image within the source color image.
The main contribution of this paper is to propose a compression scheme which is
based on level matrix andinteger matrix, and increases the compression
level significantly. The performance of the proposed system is evaluated in
terms of peak signal to noise ratio (PSNR), mean square error (MSE), number of
pixels change rate (NPCR) and unified average changing intensity (UACI). The
proposed method achieves 42.65% PSNR, 27.16% MSE, 99.9% NPCR and 30.99% UACI.