Journal
SECURITY AND COMMUNICATION NETWORKS
Volume -, Issue -, Pages -Publisher
WILEY-HINDAWI
DOI: 10.1155/2018/9803519
Keywords
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Funding
- National Natural Science Foundation of China [61602158, 61572089, 61633005, U1604156, 61671042, 61403016]
- China Post-doctoral Science Foundation [2016M600030]
- Beijing Natural Science Foundation [4172037]
- Open Fund Project of Fujian Provincial Key Laboratory in Minjiang University [MJUKF201702]
- Science Foundation for the Excellent Youth Scholars of Henan Normal University [YQ201607]
- Natural Science Foundation of Chongqing Science and Technology Commission [cstc2017jcyjBX0008]
- Fundamental Research Funds for the Central Universities [106112017CDJQJ188830, 106112017CDJXY180005]
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A novel method of meaningful image encryption is proposed in this paper. A secret image is encrypted into another meaningful image using the algorithm of reversible data hiding (RDH). High covertness can be ensured during the communication, and the possibility of being attacked of the secret image would be reduced to a very low level. The key innovation of the proposed method is that RDH is applied to compressive sensing (CS) domain, which brings a variety of benefits in terms of image sampling, communication and security. The secret image after preliminary encryption is embedded into the sparse representation coefficients of the host image with the help of the dictionary. The embedding rate could reach 2 bpp, which is significantly higher than those of other state-of-art schemes. In addition, the computational complexity of receiver is reduced. Simulations verify our proposal.
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