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基于DWT的自适应水印算法研究 被引量:3

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摘要 文章介绍了一种基于小波变换的自适应水印算法,该算法首先将二值水印图像置乱后经过降维操作转换成为一维序列,并用m序列作同步信号与水印序列一起组成嵌入序列,嵌入到音频信号的小波变换域低频系数中。实验表明,该算法具有较好的鲁棒性。
作者 时宇 曾庆宁
出处 《大众科技》 2008年第5期51-52,67,共3页 Popular Science & Technology
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