TITLE

Steganalysis based on distribution characters of stego-images in reduced dimension space

AUTHOR(S)
Chen, Guoming; Chen, Qiang; Zhang, Dong; Zhou, Duanning
PUB. DATE
July 2014
SOURCE
Multimedia Tools & Applications;Jul2014, Vol. 71 Issue 2, p497
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
In this paper we propose an Improved Kernel Linear Discriminant Analysis algorithm to analyze the distribution differences between cover images and stego-images in the reduced dimensional space. We observe that the hidden information, the information hidden in the cover images, of stego-images are clustered in a plane while all other information of cover images are scattered more evenly in the whole space and have no other clusters. Based on this fact, we develop a steganalysis scheme to discriminate stego-images from innocent images. The experiment results show the effectiveness of the propose approach.
ACCESSION #
96693418

 

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