嵌入水印后的图像与原

始图像在视觉效果上几乎一样,只在亮度上稍有不

图6 　仿真实验结果

图7 　仿真实验结果

同,提取出的水印图像与原图像基本一致。-embedded watermark image with the original image in the visual effects are almost identical, only slight brightness on the map six simulation results Figure 7 with the simulation results. extract the watermark image with basically the same as the original image.