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ICIP
2005
IEEE
14 years 9 months ago
An adaptive DCT-based Mod-4 steganographic method
This paper presents a novel Mod-4 steganographic method in discrete cosine transform (DCT) domain. A group of 2?2 quantized DCT coefficients (GQC) is selected as the valid embeddi...
Xiaojun Qi, KokSheik Wong
IH
2005
Springer
14 years 29 days ago
Efficient Wet Paper Codes
Abstract. Wet paper codes were proposed as a tool for constructing steganographic schemes with an arbitrary selection channel that is not shared between the sender and the recipien...
Jessica J. Fridrich, Miroslav Goljan, David Soukal
TIFS
2010
120views more  TIFS 2010»
13 years 2 months ago
Quantitative Structural Steganalysis of Jsteg
Quantitative steganalysis strives to estimate the change rate defined as the relative number of embedding changes introduced by steganography. In this paper, we propose two new cla...
Jan Kodovský, Jessica J. Fridrich
TIFS
2010
128views more  TIFS 2010»
13 years 5 months ago
Steganalysis by subtractive pixel adjacency matrix
This paper presents a novel method for detection of steganographic methods that embed in the spatial domain by adding a low-amplitude independent stego signal, an example of which...
Tomás Pevný, Patrick Bas, Jessica J....
IWDW
2009
Springer
14 years 2 months ago
Estimating the Information Theoretic Optimal Stego Noise
We recently developed a new benchmark for steganography, underpinned by the square root law of capacity, called Steganographic Fisher Information (SFI). It is related to the multip...
Andrew D. Ker