Fragile watermarking scheme using a hierarchical mechanism

@article{Zhang2009FragileWS,
  title={Fragile watermarking scheme using a hierarchical mechanism},
  author={Xinpeng Zhang and Shuozhong Wang},
  journal={Signal Processing},
  year={2009},
  volume={89},
  pages={675-679}
}
This paper proposes a novel fragile watermarking scheme with a hierarchical mechanism, in which pixel-derived and block-derived watermark data are carried by the least significant bits of all pixels. On the receiver side, after identifying the blocks containing tampered content, the watermark data hidden in the rest blocks are exploited to exactly locate the tampered pixels. Moreover, using exhaustive attempts, the proposed scheme is capable of recovering the original watermarked version… CONTINUE READING
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