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图像水印,利用离散小波变换

于 2022-07-23 发布 文件大小:1.68 MB
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代码说明:

数字水印是把水印嵌入到原始图像的过程。这种技术用于检测侵犯版权和身份验证的各种图像。小波变换技术在这里使用的图像分解成四个的子带,即近似、 竖向、 横向和对角线。

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