Secure Reversible Image Data Hiding over Encrypted Domain via Key Modulation - 2016
This paper proposes a unique reversible image data hiding theme over encrypted domain. Data embedding is achieved through a public key modulation mechanism, in which access to the key encryption secret is not required. At the decoder aspect, a strong two-category SVM classifier is intended to differentiate encrypted and nonencrypted image patches, permitting us to jointly decode the embedded message and the first image signal. Compared with the state-of-the-art strategies, the proposed approach provides higher embedding capacity and is in a position to perfectly reconstruct the first image in addition as the embedded message. In depth experimental results are provided to validate the superior performance of our theme.
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