Near-Optimal Codes for Information Embedding in Gray-Scale Signals

  title={Near-Optimal Codes for Information Embedding in Gray-Scale Signals},
  author={Weiming Zhang and Xinpeng Zhang and Shuozhong Wang},
  journal={IEEE Transactions on Information Theory},
High-performance steganography requires large embedding rate and small distortion, i.e., high embedding efficiency. Steganographic codes (stego-codes) derived from covering codes can improve embedding efficiency. In this paper, a new method is proposed to construct binary stego-codes for LSB embedding in gray-scale signals, which shows that not just one but a family of stego-codes can be generated from a covering code by combining Hamming codes and wet paper codes. This method can greatly… CONTINUE READING
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