28 May 2013 Image encryption in the wavelet domain
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Most existing image encryption algorithms often transfer the original image into a noise-like image which is an apparent visual sign indicating the presence of an encrypted image. Motivated by the data hiding technologies, this paper proposes a novel concept of image encryption, namely transforming an encrypted original image into another meaningful image which is the final resulting encrypted image and visually the same as the cover image, overcoming the mentioned problem. Using this concept, we introduce a new image encryption algorithm based on the wavelet decomposition. Simulations and security analysis are given to show the excellent performance of the proposed concept and algorithm.
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Long Bao, Long Bao, Yicong Zhou, Yicong Zhou, C. L. Philip Chen, C. L. Philip Chen, "Image encryption in the wavelet domain", Proc. SPIE 8755, Mobile Multimedia/Image Processing, Security, and Applications 2013, 875502 (28 May 2013); doi: 10.1117/12.2015725; https://doi.org/10.1117/12.2015725


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