Implementation Of Steganography For Business Documents Security Using Discrete Wavelet Transform Method

Abstract

Increasingly popular digital media, leading to the emergence of the problem of illegal interception and unauthorized copying of business documents, thus the attention on the security level of business documents becomes very important. A way to protect digital data is steganography. This paper discusses the implementation of DWT-2D steganography. Implementation is done using Matlab R2010a. The experiment performed using the computer with AMD Athlon Neo MV-40 processor, speed 1.6 GHz, and memory (RAM) 2 Gb, resulting stego-image quality/Peak Signal Noise to Ratio (PSNR) between 74.10 dB - 81.79 dB. This experiment uses data correction procedure during extraction process to keep texts returned fully Keywords: Steganography, Discrete Wavelet Transform (Dwt), Business Documents, Psnr.