Using robust property of matrix norms and DWT for low frequency component,a new lossless watermarking method with low computational complexity via the theory and property and wavelet is proposed.

• 利用延拓矩阵范数的理论与性质,并结合矩阵范数与图像小波变换低频分量稳健性的特点,提出了一种低复杂度的无损水印方案。