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提出了一种基于小波变换并且不需要利用原始图像信息的静态图像数字水印算法 ,并给出了检测门限的确定方法 .实验结果表明 ,该算法较好地保持了图像质量 ,并且对各种常用的图像处理方法显示出较强的稳健性 .
A static image digital watermarking algorithm based on wavelet transform and without using the original image information is proposed and a method to determine the detection threshold is given.The experimental results show that the proposed algorithm preserves the image quality well, The image processing method shows a strong robustness.