Experimental results show that the watermarking is robust to common image attacks such as noise,JPEG lossy compression and lowpass filtering,etc.

• 对得到的数字水印图像进行添加噪声、JPEG有损压缩以及低通滤波等处理.；实验结果表明:基于混沌序列的DCT域数字水印算法所获得的水印对常见的图像攻击具有较好的稳健性