New channel selection criterion for spatial domain steganography

Authors:
Yane Zhong;Fangjun Huang;Dong Zhang
Affiliations:
School of Information Science and Technology, Sun Yat-Sen University, Guangzhou, China;School of Information Science and Technology, Sun Yat-Sen University, Guangzhou, China;School of Information Science and Technology, Sun Yat-Sen University, Guangzhou, China
Venue:
IWDW'12 Proceedings of the 11th international conference on Digital Forensics and Watermaking
Year:
2012

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Abstract

In this paper, we propose a new channel selection criterion for spatial domain steganography. Via choosing those pixels in edge regions that may introduce minimal detectable distortion for modification, the proposed channel selection criterion can improve the security performance of the widespread block codes based matrix embedding schemes. Various experimental results tested on 5,000 grayscale images demonstrate the efficiency of our new channel selection criterion.