Experimental results demonstrate that the watermark is invisible and robust against common image lossy compression and noise, and the Legendre array is better.

• 实验结果表明 ,实现的水印具有不可见性 ,而且对于常见图像压缩和噪声干扰具有很好的健壮性 ,而采用Legendre阵列的算法效果更佳。