一种基于DCT和SVD的数字图像水印技术
刘锋,孙林军
Watermarking algorithm for digital image based on DWT and SVD
LIU Feng,SUN Lin-junLIU Feng,SUN Lin-jun
计算机应用 . 2005, (08): 1944 -1945 .  DOI: 10.3724/SP.J.1087.2005.01944