基于三维网格的三维模型盲数字水印  

3D Model for Blind Watermarking Algorithms Based on 3D Mesh

作　　者：阙大顺[1] 胡金[1] 陈碧[1] 

机构地区：[1]武汉理工大学信息工程学院,湖北武汉430070

出　　处：《武汉理工大学学报（信息与管理工程版）》2009年第1期1-4,共4页Journal of Wuhan University of Technology：Information & Management Engineering

基　　金：湖北省科技攻关资助项目(2007AA101C52)

摘　　要：三维数字水印的主要研究方向为三维盲数字水印,特别在三维网格模型建立以后,算法要求提取数字水印时,网格顶点序号与原始网格完全一致。提出了一种改进的k阶邻域编号法,该算法提高了网格顶点的识别概率。理论分析和实验证明,该算法在对抗网格简化和给顶点坐标加入加性噪声这类改变网格顶点相对位置和顶点数量的攻击时,鲁棒性有了较大的提高。：The main research direction of 3D watermarking algorithms is 3D blind watermarking algorithms. Especially when 3Dmodel is established ,the serial numbers of mesh vertexes to be measured are the same with the origin serial numbers when the watermarking needed by the algorithms is separated from image. An improved k Orders Neighborhood Numbering Method was presented ,which can improve the recognition probability of mesh vertexes. The theoretic analysis and experimental results show that the robustness can be improved significantly when the new algorithms suffer some attacks in mesh simplification and additive noise, which can change the number and the relative positions of vertexes.

关 键 词：三维网格 三维模型 盲数字水印 k阶邻域编号法 

分 类 号：TP335.3[自动化与计算机技术—计算机系统结构]