中文说明：一个基于DFT的水印算法源码；其中有嵌入，提取，测试图片；还有攻击程序，可以用来测试
English Description：
A DFT based watermarking algorithm source code; which has embedded, extracted, test images; there are attacks that can be used to test
DFT watermarking algorithm source code
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中文说明：一个基于DFT的水印算法源码；其中有嵌入，提取，测试图片；还有攻击程序，可以用来测试
English Description：
A DFT based watermarking algorithm source code; which has embedded, extracted, test images; there are attacks that can be used to test