In this paper, We make use of the good performance of the chaotic sequence as a method of confusing and the HVS visual masking, and present a algorithm of image watermark based on the technology of multistep information hiding.

• 本文利用混沌序列作为置乱序列的良好性能和人类视觉系统(HVS)的视觉掩盖特性提出了一种基于多级信息隐匿技术的图像数字水印算法。