Secret message location steganalysis based on local coherences of hue

Authors:
Xiang-Wei Kong;Wen-Feng Liu;Xin-Gang You
Affiliations:
School of Electronic and Information Engineering, Dalian University of Technology, China;School of Electronic and Information Engineering, Dalian University of Technology, China;School of Electronic and Information Engineering, Dalian University of Technology, China
Venue:
PCM'05 Proceedings of the 6th Pacific-Rim conference on Advances in Multimedia Information Processing - Volume Part II
Year:
2005

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Abstract

The aim of steganalysis is to uncover the concealed secret message in the multimedia carrier. Now, most steganalysis approaches focus on two issues: one is detecting whether there existed a secret message, and the other is estimating the length of the secret message. In this paper, we present a new secret message location steganalysis based on local coherences of hue (LCH) to determine the stego-bearing regions for color digital images. For the stego-image, which is sequentially embedded with messages in spatial domain, stego-bearing regions can be determined by analyzing the changes of coherence of hue. Experimental results show that the proposed LCH steganalysis has high detection accuracy.