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Secure and invisible data hiding in 2-color images

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2 Author(s)
Yu-Chee Tseng ; Dept. of Comput. Sci. & Inf. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan ; Hsiang-Kuang Pan

In an earlier paper, we propose a steganography scheme for hiding a piece of critical information in a host binary image. That scheme ensures that in each m×n image block of the host image, as many as [log2(mn+1)] bits can be hidden in the block by changing at most 2 bits in the block. As a sequel of that work, in this paper we propose a revised scheme that can maintain higher quality of the host image by sacrificing some data hiding space. The new scheme can still offer a good data hiding ratio. It ensures that for any bit that is modified in the host image, the bit is adjacent to another bit which has a value equal to the former's new value. Thus, the hiding effect is quite invisible

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INFOCOM 2001. Twentieth Annual Joint Conference of the IEEE Computer and Communications Societies. Proceedings. IEEE  (Volume:2 )

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