Novel robust watermarking algorithm for regional attacks of digital images
WANG You-wei, LIU Yuan-ning, ZHU Xiao-dong
图7 l max #cod#x000d7; l max 2大小区域攻击下不同算法所得 nc' 值比较 Fig.7 Comparisons of nc' values obtained by different algorithms under l max #cod#x000d7; l max 2 size regional attacks