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浙江大学学报(工学版)
浙江大学学报(工学版)
计算机技术、信息电子     
结合语义本体与泊松方程的动画角色模型分割
潘翔1,童伟淮1,张三元2,郑河荣1
1.浙江工业大学 计算机科学与技术学院,浙江 杭州 310023； 2.浙江大学 计算机科学与技术学院,浙江 杭州 310058
Segmentation of animation character model by combining semantic ontology and Poisson equation
PAN Xiang1, TONG Wei huai1, ZHANG San yuan 2, ZHENG He rong1
1.College of Computer Science and Technology, Zhejiang University of Technology, Hangzhou 310023, China;2.College of Computer Science and Technology, Zhejiang University, Hangzhou 310058, China
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摘要：

针对动画角色模型由于姿态变化所导致的分割不一致问题,提出语义本体驱动的层次一致性分割算法.针对三维模型提取出语义标签和局部几何特征之间的映射关系,形成分割本体.在分割过程中,采用支持向量机(SVM)和局部几何特征识别出语义标签,并根据语义标签驱动层次进行分割,保证动画角色模型分割层次的一致性.针对姿态变化下分割边界所具有的等周长性,采用泊松方程定义等值线.此优化方法使分割边界光滑,还使其在姿态变化下具有一致性.在实验部分,对不同姿态下的各类动画角色模型进行验证分析,得到一致的层次分割效果.与已有方法比较,所提出的分割本体能够解决不同类模型优化参数的自适应选择问题,提高了分割质量.
Abstract:

A segmentation algorithm was proposed based on semantic ontology to solve the problem that animation character model is inconsistent because of the changing of poses. The segmentation ontology was constructed according to the map between semantic label and geometrical characteristic. In the process of segmentation, the semantic label of segmented parts was recognized using support vector machine (SVM) and geometrical characteristic. In this way, the hierarchical segmentation of dynamic models could be consistent with the help of semantic label. In addition, the length of boundary was almost equal under different poses, therefore, segmenting boundary was refined by Poisson equation. The refined method made the animation character models  smooth and consistent. In experiment, the segmenting result of the tested dynamic models show that the proposed algorithm is very stable. Compared with the existing methods, segmentation ontology can select optimizing parameters for different 3D shapes. As a result, the proposed method can achieve boundary of segmenting quality over the exiting methods.
出版日期: 2015-10-15
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基金资助:

国家自然科学基金资助项目(61272304);浙江省自然科学基金资助项目（LY15F020024）;浙江省文物局资助项目(2014014)
通讯作者: 张三元，男，教授，博导. ORCID:0000 0001 8604 874X.     E-mail: syzhang@cs.zju.edu.cn
作者简介: 潘翔（1977-），男，教授，博导，从事计算机图形学与图像处理技术研究.ORCID：0000 0003 2291 4201.E-mail：panx@zjut.edu.cn
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引用本文:

潘翔,童伟淮,张三元,郑河荣. 结合语义本体与泊松方程的动画角色模型分割[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008 973X.2015.09.004.

PAN Xiang, TONG Wei huai, ZHANG San yuan,ZHENG He rong. Segmentation of animation character model by combining semantic ontology and Poisson equation. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008 973X.2015.09.004.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008 973X.2015.09.004    或    http://www.zjujournals.com/eng/CN/Y2015/V49/I9/1634

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