Signature Based Image Authentication 签名的图像认证 Watermarking Based Image Authentication 数字水印的图像认证 based Message Authentication Code 基于散列的消息验证代码 ..
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最后本文还借用数字签名思想提出了一种基于半易损水印的实用的数字图像认证算法。
At last we propose a half frangible watermark algorithm based on the theory of digital signature, which can authenticate the integrity of image.
它事先不需要往图像数据中添加任何签名或水印信息，仅仅依靠图像自身的特性进行认证。
It don't need to add any ideograph or watermark in the digital images, the authentication only depend on the characteristics of the images.
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