Abstract
Quantum steganography is the technique which hides a secret message into quantum covers such as quantum images. In this paper, two blind LSB steganography algorithms in the form of quantum circuits are proposed based on the novel enhanced quantum representation (NEQR) for quantum images. One algorithm is plain LSB which uses the message bits to substitute for the pixels’ LSB directly. The other is block LSB which embeds a message bit into a number of pixels that belong to one image block. The extracting circuits can regain the secret message only according to the stego cover. Analysis and simulation-based experimental results demonstrate that the invisibility is good, and the balance between the capacity and the robustness can be adjusted according to the needs of applications.
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This work is supported by the Beijing Municipal Education Commission Science and Technology Development Plan under Grants No. KM201310005021, the National Scholarship under Grants No. 201406545034, and the Graduate Technology Fund of BJUT under Grants No. YKJ-2014-10775.
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Jiang, N., Zhao, N. & Wang, L. LSB Based Quantum Image Steganography Algorithm. Int J Theor Phys 55, 107–123 (2016). https://doi.org/10.1007/s10773-015-2640-0
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DOI: https://doi.org/10.1007/s10773-015-2640-0