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Technology of Graphic & Image
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273-277,283

Cloth-body collision detection method based on ellipsoid fitting

Gong Sui
Hou Jin
Zhong Litao
Zhang Juan
Tang Yuanhao
School of Information Science & Technology, Southwest Jiaotong University, Chengdu 611756, China

Abstract

To realize the rapid collision detection between cloth and human body in cloth simulation, this paper proposed a collision detection method based on ellipsoid fitting. Firstly, it used the geometric distance isoline as the basic data. And it extracted the model feature points by combining the linear relationship between body size and height with the structural features of the human body, which realized the semantic segmentation of the model. Secondly, it used the average of the radial distance to represent the fitting error between an ellipsoid and the model. And it gradually increased the number of cluster centers by bisecting K-means clustering algorithm based on pruning optimization. It could realize the rapid clustering of human model and generate a series of minimum ellipsoids. Finally, it detected cloth grid points with the ellipsoids instead of the model. Simulation experiments show that this method not only realizes the fast fitting of the human model, but also effectively improves the computational efficiency of collision detection.

Foundation Support

国家自然科学基金面上资助项目(61371165)
四川省动漫研究中心2015年度科研资助项目(DM201504)
成都市科技资助项目(科技惠民技术研发项目)(2015-HM01-00050-SF)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2017.08.0894
Publish at: Application Research of Computers Printed Article, Vol. 36, 2019 No. 1
Section: Technology of Graphic & Image
Pages: 273-277,283
Serial Number: 1001-3695(2019)01-063-0273-05

Publish History

[2019-01-05] Printed Article

Cite This Article

龚随, 侯进, 钟李涛, 等. 基于椭球拟合的人体—服装碰撞检测方法 [J]. 计算机应用研究, 2019, 36 (1): 273-277,283. (Gong Sui, Hou Jin, Zhong Litao, et al. Cloth-body collision detection method based on ellipsoid fitting [J]. Application Research of Computers, 2019, 36 (1): 273-277,283. )

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  • Application Research of Computers Monthly Journal
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    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

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