The experiment of embedding and attacking proves that the algorithm can guarantee the transparency and resist LSB attack.And the embedded watermark can be completely extracted.

• 通过嵌入水印后的图像效果和攻击实验证明，这种水印嵌入算法对心电图信号具有良好的视觉效果，可抵抗LSB攻击，鲁棒性强。