The experiment results show that the embedded digital watermark by the scheme is invisible and robust enough to watermark attack, such as JPEG compression, noise, image cropping and median filter.

• 实验结果表明：该方案不仅具有良好的不可见性，而且对JPEG压缩、高斯噪声、图像剪切和中值滤波等攻击有理想的鲁棒性。