invisible image watermarking
图像隐形水印
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图像隐形水印是解决数字媒体版权保护的有效手段。
Invisible image watermarking is an effective method to provide protection for copyright ownership of digital media.
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继而设计并实现了一个较完整的基于DCT域的自适应图像隐形水印算法。
Then an adaptive image watermarking algorithm based on DCT is proposed to solve these problems.
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