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。
In order to solve the problem of integrality authentication for low bit-rate video, a novel video authentication schema based on the fragile watermark is proposed.
为了解决低码率视频完整性认证问题，提出了一种基于脆弱水印的视频认证方案。
Access control technology is an important research project, it is very significant for guarantee the integrality and authentication of information.
存取控制技术的研究是信息安全领域一项重要的研究课题，它的研究对于保证信息的完整性和认证性有着重要的意义。
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