中文摘要：

为了解决单盲水印网格算法难以抵抗多种攻击的问题,提出一种鲁棒的3D网格模型的多重数字水印算法.该算法分别对3D网格模型的顶点信息和拓扑信息嵌入2种不同类型的单鲁棒性水印,从而使模型既能抵抗大面积的剪切攻击,又能抗击一定强度的噪声攻击 且在水印提取时不需要原始模型信息.实验结果表明,该算法能有效地提高水印抗平移、旋转、缩放、非均匀缩放、剪切、噪声和顶点乱序等攻击的能力.

英文摘要：

Since single blind watermarking scheme is difficult to resist against various attacks,a robust multi-watermarking is proposed based on 3D mesh model in this paper.In this scheme,two kinds of watermarks are embedded respectively into vertexes coordinates and topological information of 3D mesh,which enables the model to resist against not only large scaled cropping operation but also high strong noising.During the extraction of the watermark,the original model is not necessary.Experimental results show that the multi-watermark method can effectively increase the ability of resisting attacks,such as translation,rotating,scaling,un-scaling,cutting,noising,re-ordering etc.