2020
DOI: 10.25103/jestr.131.13
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Steganography of Quantum Color Images Based on Blocking and Gray Level Difference

Abstract: Steganography of quantum images is restricted by high fidelity and robustness, which limit hiding capacity and decrease visual quality. To improve the concealment of steganographic embedding of secret messages and enhance embedding capacity, the present study proposed a quantum red-green-blue (RGB) image steganography based on image block and gray level difference. First, digital color images were represented by quantum models and divided into non-overlapping blocks. Second, reference pixels in the blocks were… Show more

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