摘要
提出一种自适应量化步长的盲水印算法,并给出其对称检测方法。该算法充分考虑人类视觉模型,根据图像块纹理复杂度的不同,嵌入不同强度的水印信息。实验结果表明,该算法对多种图像处理有很好的鲁棒性;在受到严重攻击时,通过对称检测能够检测出有效水印。
A new blind watermarking algorithm based on adaptive quantization step and its symmetric detection was proposed. The human＇s visual model was fully considered in this algorithm. According to different complexity of image texture, the watermark of different intensity was embedded. The experimental results show this algorithm is robust to several image processing operations, and it can detect efficient watermarking using symmetric detection under seriously attacked.
出处
《计算机应用》
CSCD
北大核心
2009年第B06期103-105,共3页
journal of Computer Applications
关键词
数字水印
量化
直流系数
鲁棒性
digital watermarking
quantization
Direct Current （DC） coefficient
robustness
