一种三维模型数字水印算法的设计与实现

为了保护三维模型网上共享不被非法拷贝，对三维数据模型结构进行分析，提出了一种利用改变三维数据中三角面片所依据点的坐标来嵌入水印图像三维模型数据的快速简单的数字水印加密方法，最后提出了三维模型数字水印的攻击及健壮性评价标准，并以此对本算法进行了评价，给出了试验结果。

THE DESIGN AND IMPLEMENT OF A DIGITAL THREE-DIMENSIONAL MODEL WATERMARK ALGORITHM

For the protection of the copyright of the 3D model while sharing through the Internet,analyze the three dimensional data model structure,propose a simple and efficient encrypt method is proposed,by changing the coordinate which tri surfaces based on,and imbedding watermark picture into three dimensional model data.The attack to the digital three dimensional model watermark is also introduced.An evolution of its robust and the criterion of watermark are given.The result of the test and evolution of the algorithm are listed.