And common block diagram and application areas of digital watermark are instroducted; then explain the general principles of authentication watermark, the basic requirements and common assault behavior.
认证数字水印的基本概念、原理及应用领域;接着说明认证水印的一般原理、基本要求及常见的攻击行为。
参考来源 - 脆弱半脆弱数字水印研究及应用·2,447,543篇论文数据，部分数据来源于NoteExpress
The authentication watermark was generated according to the image feature which was the mean of an image extracted from FRIT.
提取图像在FRIT时产生的均值信息作为图像内容特征，并由它生成认证水印。
This paper presents a novel semi-fragile watermark algorithm for image authentication and recovery.
提出一种新的用于图像认证及恢复的半脆弱水印算法。
In addition a digital watermark authentication arithmetic aimed at the MPEG standard is proposed.
同时提出了一套针对MPEG视频协议的半脆弱数字水印认证算法。
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