It has better robustness on the common watermarking attack such as noise adding, middlefilter, croping, JPEG compression and so on;it has higher value on the multimedia copyright protection.

• 而在添加噪声、中值滤波、剪切、JPEG压缩攻击等的情况下具有较好的鲁棒性，在保护多媒体数据版权方面具有较高的实用价值。