A reversible image steganographic scheme implemented in the SMVQ compression domain of image is proposed. The goal of this scheme is to hide secret data into the compression codes of image by applying the SMVQ state codebook. In addition to reversibility and high-payload, the bit rate of the compressed cover image is another consideration in the proposed scheme since the secret data are delivered through the compression codes of cover image. To compact the volume of the overall data needed to be transmitted, the Huffman coding technique is applied. By the proposed scheme, the original VQ-compressed cover image can be restored losslessly at the receiver. Simulation results demonstrate the feasibility of the proposed scheme.1
A reversible image steganographic scheme based on SMVQ and Huffman coding
01.12.2013
173908 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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