基于非抽样Contourlet变换的高定位精度认证水印算法

刘东彦, 孙继昌, 刘岩, 汤永佐

A nonsubsampled contourlet transform based adaptive watermarking algorithm for image authentification

LIU Dong-Yan, SUN Ji-Chang, LIU Yan, TANG Yong-Zuo

J4 . 2011, (1): 81 -85 .