Reversible data hiding for VQ indices using hierarchical state codebook mapping
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DOI: 10.1007/s11042-017-5490-3
Abstract: In this paper, we present an approach to efficiently hide sensitive data in vector quantization (VQ) indices and reversibly extract sensitive data from encrypted code stream. The approach uses two patterns to compress VQ indices.… read more here.
Keywords: codebook mapping; hierarchical state; index; state codebook ... See more keywords