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2005
Springer

Analysis of Parity Assignment Steganography in Palette Images

9 years 11 months ago
Analysis of Parity Assignment Steganography in Palette Images
Abstract. In parity assignment-based steganography for palette images, all colors in a host image are divided into two subsets, and each pixel is used to carry one secret bit. This paper describes an analytic method against the parity assignment-based steganographic techniques. By finding the rule of color modifications, a steganalyst can attempt to recover the original histogram in a way that is a reverse of data embedding. Because of the abnormal colors in the original image, an excessive operation will cause some negative values in the recovered histogram. This provides a clue for revealing the presence of secret message and estimating the length of embedded bit sequence.
Xinpeng Zhang, Shuozhong Wang
Added 28 Jun 2010
Updated 28 Jun 2010
Type Conference
Year 2005
Where KES
Authors Xinpeng Zhang, Shuozhong Wang
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