Abstract
This article presents a novel secure steganographic method on wavelet domain of GIF images. Secret information is usually embedded in palettes or indices of GIF images directly by formerly presented steganographic methods. These methods may introduce visible noise and detectable changes of parameters in images. The new method based on integer wavelet transform dispels noise introduced by data-hidding into adjacent pixels. Matrix encoding is also applied in embedding. Both scattering noise and matrix encoding improve the quality of the stego-images and the security of secret communication. Experimental results show the fine security of the proposed method in resisting attacks by χ 2 detecting method and Fridrich’s detecting method.
This paper is supported by the project of National Nature Science Foundational of China (Grant No. 60372083).
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Ding, W., Kong, XW., You, XG., Wang, ZR. (2004). A Secure Steganographic Method on Wavelet Domain of Palette-Based Images. In: Aizawa, K., Nakamura, Y., Satoh, S. (eds) Advances in Multimedia Information Processing - PCM 2004. PCM 2004. Lecture Notes in Computer Science, vol 3333. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-30543-9_54
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DOI: https://doi.org/10.1007/978-3-540-30543-9_54
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