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层次结构导向下的动画角色模型分割与标记

DOI: 10.11834/jig.20140617

Keywords: 动画角色,层次结构,3维模型分割,3维模型标记

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Abstract:

目的对3维角色模型进行语义化检索与重组的前提是进行准确的分割和标记。针对游戏与影视中应用广泛的3维角色模型,提出一种基于结构先验知识的角色部件分割和标记方法。方法总结了动画角色模型的一般性结构规则,并形式化为可以指导分割的层次化知识表达;采用区域生长法逐层剥离模型部件,在此规则下进行末端检测与边界判断,同时对部件进行语义标记。结果通过描述结构规则,在两足与四足角色模型上进行分割测试,得到了适合于重组的角色部件。结论与其他可标记的角色模型分割方法相比,该方法具有更好的部件化结果,以及对动画角色有良好的扩展性。

References

[1]  Ariel S. A survey on mesh segmentation techniques[J]. Compu-ter Graphics Forum, 2008, 27(6): 1539-1556. [ DOI: 10.1111/j.1467-8659.2007.01103.x]
[2]  Chen X B, Aleksey G, Thomas F. A benchmark for 3D mesh segmentation[J]. ACM Transactions on Graphics, 2009, 28(3): 73-85. [DOI: 10.1145/1531326.1531379]
[3]  Vincent L, Soille P. Watersheds in digital spaces: an efficient algorithm based on immersion simulations[J]. IEEE Transactions Pattern Analysis and Machine Intelligence, 1991, 13 (6): 583-598. [DOI: 10.1145/1531326.1531379]
[4]  Shlafman S, Tal A, Katz S. Metamorphosis of polyhedral surfaces using decomposition[J]. Computer Graphics Forum, 2002, 21(3): 219-228. [ DOI: 10.1111/1467-8659.00581]
[5]  Eck M, DeRose T, Duchamp T, et al. Multiresolution analysis of arbitrary meshes[C]//Proceedings of the 22nd Annual Conference on Computer Graphics and Interactive Techniques. New York: ACM, 1995: 173-182. [DOI: 10.1145/218380. 218440]
[6]  Golovinskiy A, Funkhouser T. Randomized cuts for 3D mesh analysis[J]. ACM Transactions on Graphics, 2008, 27(5): 145-154. [DOI: 10.1145/1457515.1409098]
[7]  Ma Y Q, Li Z K, Zhao J. Consistence segmentation of triangle mesh using laplace spectral embedding and mean shift[J]. Journal of Image and Graphics, 2012,17(10): 1292-1297. [马亚齐, 李忠科, 赵静. 基于Laplace 谱嵌入和Mean Shift 的三角网格一致性分割[J]. 中国图象图形学报, 2012, 17(10): 1292-1297.]
[8]  Lavoué G, Dupont F, Baskurt A. A new CAD mesh segmentation method, based on curvature tensor analysis[J]. Computer-Aided Design, 2005, 37(10): 975-987.
[9]  Han L, Gao X S, Chu B Z. Discrete curvature constrained triangle mesh model segmenting technique[J]. Journal of Computer-Aided Design & Computer Graphics, 2009,21(6): 831-835. [韩丽, 高小山, 楚秉智. 离散曲率约束的三角网格模型拓扑分割算法[J]. 计算机辅助设计与图形学学报, 2009, 21(6): 831-835.]
[10]  Lévy B, Petitjean S, Ray N, et al. Least squares conformal maps for automatic texture atlas generation[J]. ACM Transactions on Graphics, 2002, 21(3): 362-371. [DOI: 10.1145/566654. 566590]
[11]  Fan L, Meng M, Liu L. Sketch-based mesh cutting: a comparative study[J]. Graphical Models, 2012, 74(6): 292-301.
[12]  Au O K C, Zheng Y, Chen M, et al. Mesh segmentation with concavity-aware fields[J].IEEE Transactions on Visualization and Computer Graphics, 2012, 18(7): 1125-1134. [DOI: 10.1109/TVCG.2011.131]
[13]  Hu R L, Fan L B, Liu L G. Co-segmentation of 3D shapes via subspace clustering[J].Computer Graphics Forum. Blackwell Publishing Ltd, 2012, 31(5): 1703-1713. [DOI: 10.1111/j.1467-8659.2012.03175.x]
[14]  Kalogerakis E, Hertzmann A, Singh K. Learning 3D mesh segmentation and labeling[J]. ACM Transactions on Graphics, 2010, 29(4): 102-114. [DOI:10.1145/1833349. 1778839]
[15]  Xue J H, Ruan S, Moretti B, et al. Knowledge-based segmentation and labeling of brain structures from MRI images[J]. Pattern Recognition Letters, 2001, 22(3): 395-405.
[16]  Hassan S, Hétroy F, Palombi O. Ontology-guided mesh segmentation[C]//Proceedings of FOCUS K3D Conference on Semantic 3D Media and Content. France: [s.n.], 2010:1-5.
[17]  Chen Q H, Pan X, Zhang S Y. 3D human landmark detection and segmentation with semantic knowledge[J]. Journal of Computer-Aided Design & Computer Graphics, 2011, 23(6): 1061-1068. [陈启华, 潘翔, 张三元. 语义知识约束的三维人体特征点检测和分割[J]. 计算机辅助设计与图形学学报, 2011, 23(6): 1061-1068.]
[18]  Surazhsky V, Surazhsky T, Kirsanov D, et al. Fast exact and approximate geodesics on meshes[J].ACM Transactions on Graphics, 2005, 24(3): 553-560. [DOI:10.1145/1186822. 1073228]
[19]  Fang H L, Wang G J. Comparison and analysis of discrete curvatures estimation methods for triangular meshes[J]. Journal of Computer-Aided Design & Computer Graphics, 2005, 17(11): 2500-2507. [方慧兰, 王国瑾. 三角网格曲面上离散曲率估算方法的比较与分析[J]. 计算机辅助设计与图形学学报, 2005,17(11): 2500-2507.]

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