This paper proposes a new method by using periodicity of sinusoid and embedded watermark information adaptive different from shifting slightly certain lines before.
改变以往行移变化隐藏信息的方式,利用正弦函数的周期性特点,自适应的嵌入水印信息;在水印提取中不用参考原始文本就可以提取水印信息,从而实现水印的盲提取。
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