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watermark based on DCT

于 2023-04-01 发布 文件大小:535.36 kB
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代码说明:

应用背景通过载体对信息进行隐藏,保证在不影响载体视觉效果的前提下实现信息隐藏;关键技术通过离散余弦变换(DCT)将需要隐藏的信息嵌入到载体中从而达到信息隐藏的目的。

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