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.
第三种算法是将前两种空域和变换域算法进行有效融合，从而提出了双重多功能性水印数字图像认证算法。
The third method is effective integrate the former two algorithms, which proposed dual watermarking algorithm for digital image authentication.
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.
数字图像被动认证是一种新兴的认证技术。
The passive authentication in digital images is a new technology.
本文主要探讨针对数字图像的认证方法，对于图像认证的两大场合：精确认证和内容认证分别进行了研究。
In this dissertation, we mainly study on digital image authentication method in two aspects: complete authentication and content authentication.
本文提出了一种数字图像被动认证方法，对多幅图像拼接篡改的情况进行检测。
In this paper, we propose a method for passive authentication in digital images, to detect the splicing forgery.
数字图像的真实性、完整性认证技术是多媒体安全保护的重要研究课题。
The authentication techniques of image authenticity and integrality are the important research subjects of the multi-media security field.
数字图像的真实性、完整性认证技术是多媒体安全保护的重要研究课题。
The authentication techniques of image authenticity and integrality are the important research subjects of the multi-media security field.
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