数字图像认证方法可分为三类:一是基于数字水印的图像认证(Watermarking Based Image Authentication, WBIA),在被保护的图像中预先嵌入脆弱水印(Fragile Watermarking),篡改图像将破坏水印而...
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基于数字易碎水印的认证技术因为更适合对数字图像进行认证,逐渐成为该领域的一个重要研究方向。
Authentication technique based on digital fragile watermarking has gradually been one of the most important researches for its advantage in digital media authentication field.
数字水印是图像认证的有效手段之一。
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.
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