Merging Markov and DCT features for multi-class JPEG steganalysis

T Pevny, J Fridrich - Security, steganography, and …, 2007 - spiedigitallibrary.org
Blind steganalysis based on classifying feature vectors derived from images is becoming
increasingly more powerful. For steganalysis of JPEG images, features derived directly in …

Multiclass detector of current steganographic methods for JPEG format

T Pevny, J Fridrich - IEEE Transactions on Information …, 2008 - ieeexplore.ieee.org
The aim of this paper is to construct a practical forensic steganalysis tool for JPEG images
that can properly analyze single-and double-compressed stego images and classify them to …

Feature-based steganalysis for JPEG images and its implications for future design of steganographic schemes

J Fridrich - International Workshop on Information Hiding, 2004 - Springer
In this paper, we introduce a new feature-based steganalytic method for JPEG images and
use it as a benchmark for comparing JPEG steganographic algorithms and evaluating their …

Ensemble classifiers for steganalysis of digital media

J Kodovsky, J Fridrich, V Holub - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
Today, the most accurate steganalysis methods for digital media are built as supervised
classifiers on feature vectors extracted from the media. The tool of choice for the machine …

Steganalysis of JPEG images using rich models

J Kodovský, J Fridrich - Media Watermarking, Security, and …, 2012 - spiedigitallibrary.org
In this paper, we propose a rich model of DCT coefficients in a JPEG file for the purpose of
detecting steganographic embedding changes. The model is built systematically as a union …

Low-complexity features for JPEG steganalysis using undecimated DCT

V Holub, J Fridrich - IEEE Transactions on Information forensics …, 2014 - ieeexplore.ieee.org
This paper introduces a novel feature set for steganalysis of JPEG images. The features are
engineered as first-order statistics of quantized noise residuals obtained from the …

Steganalysis of adaptive JPEG steganography using 2D Gabor filters

X Song, F Liu, C Yang, X Luo, Y Zhang - … of the 3rd ACM workshop on …, 2015 - dl.acm.org
Adaptive JPEG steganographic schemes are difficult to preserve the image texture features
in all scales and orientations when the embedding changes are constrained to the …

Steganalysis features for content-adaptive JPEG steganography

TD Denemark, M Boroumand… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
All the modern steganographic algorithms for digital images are content adaptive in the
sense that they restrict the embedding modifications to complex regions of the cover, which …

Is ensemble classifier needed for steganalysis in high-dimensional feature spaces?

R Cogranne, V Sedighi, J Fridrich… - 2015 IEEE International …, 2015 - ieeexplore.ieee.org
The ensemble classifier, based on Fisher Linear Discriminant base learners, was introduced
specifically for steganalysis of digital media, which currently uses high-dimensional feature …

Neighboring joint density-based JPEG steganalysis

Q Liu, AH Sung, M Qiao - ACM Transactions on Intelligent Systems and …, 2011 - dl.acm.org
The threat posed by hackers, spies, terrorists, and criminals, etc. using steganography for
stealthy communications and other illegal purposes is a serious concern of cyber security …