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Recognizing Substitution Steganography of Spatial Domain Based on the Characteristics of Pixels Correlation

Recognizing Substitution Steganography of Spatial Domain Based on the Characteristics of Pixels Correlation
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Author(s): Zhe Chen (University of Electronic Science and Technology of China, Chengdu, China), Jicang Lu (Zhengzhou Information Science and Technology Institute, Zhengzhou, China), Pengfei Yang (Zhengzhou Information Science and Technology Institute, Zhengzhou, China)and Xiangyang Luo (Zhengzhou Information Science and Technology Institute, Zhengzhou, China)
Copyright: 2017
Volume: 9
Issue: 4
Pages: 14
Source title: International Journal of Digital Crime and Forensics (IJDCF)
Editor(s)-in-Chief: Feng Liu (Chinese Academy of Sciences, China)
DOI: 10.4018/IJDCF.2017100105

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Abstract

Steganographic algorithm recognition is currently a key issue in digital image steganalysis. For the typical substitution steganographic algorithm in spatial domain, we analyze the modification way and construct the feature extraction source based on the adjacent pixels correlation; extract the special statistical feature which could distinguish the substitution steganography from other types of steganographic algorithms. Finally, a substitution steganography recognition algorithm is presented and tested by experiments. The experimental results show that, the proposed algorithm could recognize the substitution steganography in spatial domain efficiently, and the detection accuracy is better than existing algorithms.

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