Abstract
In this paper, a novel steganographic scheme is proposed based on chaotic map in the DCT domain. The proposed method apply the DCT on the cover image, scan the AC coefficients in a zigzag form from the least significant to the most significant one, this scan will lead us eventually to precise the embedding positions through a chaotic function as well as the maximum allowed payload relative to a computed SSIM threshold. A quantitative study shows the check of the designed method to the requirement of imperceptibility and flexibility.
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Saidi, M., Hermassi, H., Rhouma, R. et al. A new adaptive image steganography scheme based on DCT and chaotic map. Multimed Tools Appl 76, 13493–13510 (2017). https://doi.org/10.1007/s11042-016-3722-6
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DOI: https://doi.org/10.1007/s11042-016-3722-6