Fragile watermarking scheme using a hierarchical mechanism
Fragile watermarking scheme using a hierarchical mechanism
复制标题
使用分层机制的脆弱水印方案
DOI:
10.1016/j.sigpro.2008.10.001
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发表时间:
2009-04
影响因子:
4.4
通讯作者:
Wang, Shuozhong
中科院分区:
文献类型:
--
作者:
Zhang, Xinpeng;Wang, Shuozhong
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 without any error.
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期刊:
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