The role of permutation coding in minimum-distortion perfect counterforensics

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Title: The role of permutation coding in minimum-distortion perfect counterforensics
Authors: Balado, Félix
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Date: May-2014
Abstract: This paper exploits the connection between minimum-distortion perfect counterforensics and maximum-rate perfect steganography in order to provide the optimum solution to the first of these problems, in the case in which the forensic detector solely uses first order statistics. The solution relies on Slepian’s variant I permutation codes, which had previously been shown to implement maximum rate perfect steganography when the host is memoryless (equivalently, when the steganographic detector only uses first-order statistics). Additionally, we demonstrate a blind counterforensic strategy made possible by permutation decoding, which may also find application in image processing.
Funding Details: Science Foundation Ireland
Type of material: Conference Publication
Publisher: IEEE
Copyright (published version): 2014 IEEE
Keywords: CounterforensicsSteganographyPermutation codingHistogram-based forensicsHistogram specification
Language: en
Status of Item: Peer reviewed
Conference Details: 39th IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), May, 2014
Appears in Collections:Computer Science Research Collection

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