Double Digital Watermarking Method based on Transform Domain has realized the double aims of the copyright protection and the integrity authentication of image content.
基于变换域的双重数字水印方法，通过嵌入鲁棒水印和脆弱水印实现了图像内容版权保护和完整性认证的双重目的。
In this dissertation, we mainly study on digital image authentication method in two aspects: complete authentication and content authentication.
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。
A hierarchical semi-fragile digital watermarking algorithm was designed for image content integrality authentication, tamper localization and recovery.
设计并实现了一种基于分层的半脆弱数字水印算法，用于图像内容完整性认证，篡改定位和恢复。
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