数字图像认证技术包括主动与被动两种方法。
Digital image authentication includes active authentication and passive authentication.
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.
数字图像认证技术作为多媒体信息安全技术的分支之一，受到了越来越多专家学者的重视。
As a branch of multimedia information security technology, digital image authentication is paid close attention by one of a growing number of experts.
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