WANG Ya-shun~1,LIU Liang-wen~2,XU Ming-zheng~2(1.School of Mechanical Engineering and Automation,National University of Defense Technology,Changsha 410073,China;2.School of Mechanical and Electrical Engineering,Nanchang University,Nanchang 330029,China)
Abstract：A digital watermarking scheme is presented according to the characteristics of two-dimensional(engineering) graphics.Narrowband watermarking information is spread into wideband pseudo-random code before being embedded by modifying the scale of the distanc
汪亚顺; 刘良文; 徐铭政. 基于二维工程图的数字水印扩频算法[J]. 南昌大学学报（工科版）, 2005, 27(04): 1-.
WANG Ya-shun~1,LIU Liang-wen~2,XU Ming-zheng~2(1.School of Mechanical Engineering and Automation,National University of Defense Technology,Changsha 410073,China;2.School of Mechanical and Electrical Engineering,Nanchang University,Nanchang 330029,China). . , 2005, 27(04): 1-.
2005, Vol. 27 