This thesis mainly studies adaptive digital image watermarking algorithms based on human visual system (HVS).
本文主要研究基于人眼视觉特性的自适应图像水印算法。
The results show that two kinds of image watermarking algorithms do not all have good visibility of the common image processing operations are highly robust.
结果表明两种图像水印算法均具有很好的不可见性，对常见的图像处理操作具有很强的鲁棒性。
The experiment results show that watermarking algorithms based on block SVD are very robust to usual image manipulation attacks, especially the quantization watermarking algorithm.
实验结果证明，基于块奇异值分解的水印算法对常规的图像处理攻击具有很好的鲁棒性，尤其是其中的量化水印算法。
应用推荐