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This paper presents a reversible data embedding scheme with prediction and dissimilar techniques for palette-based images. Two embedding rules are imported in the proposed method, and no extra bit map is required to indicate which rules are applied in which pixels to embed secrets. As the experimental results show, when the hiding capacity is 255 Kb, the visual quality of the decoded image for our...
A lossless or reversible steganography is defined as an original image can be completely recovered from the stego-image after the embedded data has been extracted. This technique has been focused on spatial uncompressed domain recently, and is considered more challenging to carry out in the compressed domain. In this paper, we propose a lossless, compressed domain steganography technique for AMBTC-compressed...
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