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基于几何特征的三维模型双重数字水印算法
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基金项目:

福建省自然科学基金(2008J0013);福建省教育厅B类项目(JB09061)


Geometry Property-Based Double 3D Digital Watermarking Scheme
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    摘要:

    提出了一种新的数字水印方法,通过一次水印嵌入操作同时嵌入鲁棒和脆弱双重水印.该水印信号自适应于局部几何特征.通过嵌入的脆弱水印可以检测出顶点是否被篡改,进而在水印检测过程中通过赋予未被篡改的顶点更重的权重提出了一种水印检测权重方法.提出的算法可以实现三维模型的版权保护和完整性验证双重目的.该水印方案是专为发送者检查版权的所有权(鲁棒水印)和接收者核实所收到的媒体的完整性(脆弱水印).

    Abstract:

    A novel method for the watermarking of 3D models is proposed, which is embed robust and fragile double watermark by once operation and the strength of the watermark signal is adaptive with respect to the local geometry of the model. We can detect the intact watermark vertex by fragile watermarking. Furthermore, this paper developed a weighting process of for watermark detection by let the intact watermark vertex have more weight. It can realize the double aims of the copyright protection and the integrity authentication of 3D mesh model. The watermarking schemes is designed for the sender to check the copyright ownership (robust watermarking) and for the receiver to verify the authentication of the received media

    参考文献
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    3 Ohbucci R, Masuda H, Aono M, Watermarking three-dimensional polygonal models through geometric and topological modifications.IEEE Joumal on Selecred Areas in Communicutions, 1998,16(4): 551-560.
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陈丽萍,孔祥增,姚志强.基于几何特征的三维模型双重数字水印算法.计算机系统应用,2011,20(8):76-80

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  • 收稿日期:2010-11-19
  • 最后修改日期:2010-12-07
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