This algorithm is robust to most signal processing except lossy compression. It also has good imperceptibility , high security and big watermark capacity. .

• 该算法除对有损压缩等攻击鲁棒性较弱外，对剪切和比特替换等攻击都具有较强的鲁棒性，算法还具有较好的不可见性、较高的安全性和较大的水印容量。