摘要
三维动画因其高信息量和高逼真性,广泛应用于虚拟展示、动画电影等领域。为了有效保护三维动画的知识产权,提出一种嵌入三维动画特效参数的数字水印算法。将三维动画中粒子效果和动力学效果等特效参数作为水印嵌入载体,结合满秩分解、奇异值分解和三角分解,将水印信息高效地嵌入到特效参数组成的矩阵中。由于水印是嵌入在特效参数而非场景主要特征中,所以水印具有很好的透明性。实验结果表明,该算法复杂度较低且鲁棒性较高,具有很好的推广性。
Due to its high information content and high fidelity,3D animation is widely used in virtual display,animation film and other fields.To effectively protect the intellectual property of 3D animation,this paper proposes a digital watermarking algorithm for embedding 3D animation special effect parameters.The particle effect,dynamic effect and other special effect parameters in 3D animation were taken as the watermark embedding carrier.Combined with full rank decomposition,singular value decomposition and triangular decomposition,the watermark information was efficiently embedded into the matrix composed of special effect parameters.Because the watermark was embedded in the special effect parameters rather than the main character of the scene,the watermark had good transparency.The experimental data show that the algorithm has low complexity and high robustness,and it has good generalization.
作者
李亚琴
方立刚
廖黎莉
杨元峰
Li Yaqin;Fang Ligang;Liao Lili;Yang Yuanfeng(Jiangsu Province Support Software Engineering R&D Center for Modern Information Technology Application in Enterprise,Suzhou 215104,Jiangsu,China;Soochow University,Suzhou 215104,Jiangsu,China)
出处
《计算机应用与软件》
北大核心
2020年第2期272-276,共5页
Computer Applications and Software
基金
国家自然科学基金项目(41201338)
2018江苏省“青蓝工程”优秀教学团队项目
2017年度苏州市产业技术创新专项(SYG201710)
苏州市职业大学“青蓝工程”项目。
关键词
数字水印
三维动画
特效参数
满秩分解
奇异值分解
三角分解
水印鲁棒性
Digital watermarking
3D animation
Special effect parameters
Full rank decomposition
Singular value decomposition
Triangular decomposition
Watermarking robustness
