摘　要: 为了提高盲检测数字水印算法的鲁棒性, 从同频DCT 系数间的线性关系着手, 结合人类视觉系统(HV S) 理论 和JPEG 压缩的工作原理, 提出了一种简单易行数字水印算法. 该算法具有良好的不可见性, 能很好地抵抗JPEG 压 缩, 是完全意义上的盲检测算法. 并通过与口令系统结合, 使只有合法用户才可正确检测出水印. 关键词: 数字水印 DCT 线性关系 盲检测

一种基于DCT系数间线性关系的盲检数字水印算法.pdf

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