The term, steganography, comes from Greek and means “covered writing”(Johnson and
Jajodia, 1998a; Petitcolas et al., 1999). The intent of steganography is to hide a message in …

This tutorial paper reviews the theory and design of codes for hiding or embedding
information in signals such as images, video, audio, graphics, and text. Such codes have …

We introduce a steganalytic method which takes advantage of statistics that were preserved
to prevent the chi-square attack. We show that preserving statistics by skip** certain …

The proposed method of graphical data protection is a combined crypto-steganographic
method. It is based on a bit values transformation according to both a certain Boolean …

In this paper, we present a framework for the design of steganographic schemes that can
provide provable security by achieving zero Kullback-Leibler divergence between the cover …

Quantization index modulation (QIM) techniques have been gaining popularity in the data
hiding community because of their robustness and information-theoretic optimally against a …

We study a detection-theoretic approach to steganalysis. The relative entropy between
covertext and stegotext determines the steganalyzer's difficulty in discriminating them, which …

This paper proposes an active steganalysis method for quantization index modulation (QIM)-
based steganography. The proposed nonparametric steganalysis method uses irregularity …

We investigate data hiding techniques that attempt to defeat steganalysis by restoring the
statistics of the composite image to resemble that of the cover. The approach is to reserve a …

Digital watermarking studies have always been driven by the improvement of robustness.
Most of articles of this field deal with this criterion, presenting more and more impressive …