| 基于B-Rep的三维CAD模型盲水印算法 |
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| 引用本文： | 陈志杨,贾筱菲. 基于B-Rep的三维CAD模型盲水印算法[J]. 计算机系统应用, 2011, 20(3): 54-59 |
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| 作者姓名： | 陈志杨 贾筱菲 |
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| 作者单位： | 浙江工业大学,计算机科学与技术学院,杭州,310023 |
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| 基金项目： | 国家高技术研究发展计划(863)(2007AA04Z1A5) |
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| 摘 要： | 随着信息时代的到来,数字水印不仅在版权保护、来源认证、私有探测领域受到了前所未有的重视,而且在信息安全领域也引起了广泛的关注.提出了一种基于B-rep的CAD模型盲水印算法,该算法主要针对NURBS曲线或曲面来嵌入水印,能精确地保持模型的形状.首先遍历模型找到所有的NURBS曲线,并将其依据曲线的长度进行排序,然后利用...
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| 关 键 词： | 数字水印 盲水印 三维CAD模型 NURBS基元 版权保护 |
| 收稿时间： | 2010-07-14 |
| 修稿时间： | 2010-08-13 |
A Blind Watermarking Algorithm Based on B-rep for CAD Models |
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| CHEN Zhi-Yang and JIA Xiao-Fei. A Blind Watermarking Algorithm Based on B-rep for CAD Models[J]. Computer Systems& Applications, 2011, 20(3): 54-59 |
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| Authors: | CHEN Zhi-Yang and JIA Xiao-Fei |
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| Affiliation: | College of Computer Science and Technology, Zhejiang University of Technology, Hangzhou 310023, China;College of Computer Science and Technology, Zhejiang University of Technology, Hangzhou 310023, China |
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| Abstract: | With the appearance of informatization period,digital watermarking is attached importance to a great extent in these facts such as copyright protecting,source authentication,private detection and on,and becomes one hot research field of information security.This paper proposes a blind watermarking algorithm based on B-rep for CAD models,the algorithm embeds watermarking aiming at NURBS surfaces or curves,and its merit is preserving the model's shape exactly.Firstly,we go through the model for obtaining all ... |
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| Keywords: | digital watermarking blind watermarking CAD models NURBS primitives copyright protecting |
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