Steganalysis of Multiple-Base Notational System Steganography

This letter presents a method for attacking multiple-base notational system (MBNS) steganography . In the MBNS steganography, secret data are converted into symbols in a notational system with multiple bases. The pixels of a host image are then modified such that when the pixel values are divided by...

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Bibliographic Details
Published inIEEE signal processing letters Vol. 15; pp. 493 - 496
Main Authors Li, Bin, Fang, Yanmei, Huang, Jiwu
Format Journal Article
LanguageEnglish
Published New York IEEE 2008
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Digital images
Frequency
Gray-scale
Humans
Image converters
Information science
Multiple-base notational system
Pixel
steganalysis
Steganography
Sun
Visual system
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Summary:This letter presents a method for attacking multiple-base notational system (MBNS) steganography . In the MBNS steganography, secret data are converted into symbols in a notational system with multiple bases. The pixels of a host image are then modified such that when the pixel values are divided by the bases, their remainders are equal to the symbols. Through analysis, we prove that the amount of small remainders increases due to the modification. Based on this observation, we propose a steganalytic approach which is effective in not only detecting MBNS steganography but also estimating its embedding rate.
ISSN:1070-9908
1558-2361
DOI:10.1109/LSP.2008.924000