特征线比例的倾斜摄影三维模型数字水印算法Digital watermarking algorithm for oblique photography 3D model based on feature line proportion
贡威腾,朱长青,崔翰川,任娜
摘要(Abstract)：
针对倾斜摄影三维模型的版权保护需求，该文提出一种基于特征线比例的倾斜摄影三维模型数字水印算法。将由切比雪夫(Chebyshev)混沌系统生成的序列作为水印信息，对模型的垂直向特性进行剖析，选择近似垂直于地面的三角网线间的比例作为水印嵌入特征，通过修改奇偶性的方式嵌入水印信息。水印的检测过程不需要原始模型的参与，实现了盲水印。实验表明，该算法对几何攻击以及噪声等攻击具有较强的鲁棒性，可应用于倾斜摄影三维模型的版权保护。
关键词(KeyWords)： 三维模型;倾斜摄影;特征选择;数字水印
基金项目(Foundation): 国家自然科学基金面上项目(42071362,41971338);; 江苏省自然科学基金面上项目(BK20191373)
作者(Author): 贡威腾,朱长青,崔翰川,任娜
DOI: 10.16251/j.cnki.1009-2307.2022.04.011
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