Minimum Displacements For Cloth-obstacle Penetration Resolving
Sun, Liming; Nyberg, Timo R.; Xiong, Gang; Ye, Juntao
2016
会议名称The 37th EuroGraphics
会议录名称国际会议
会议日期2016.5.9 - 2016.5.13
会议地点Lisbon, Portugal
摘要
Pre-existing penetrations often show up in many applications, particularly in garments fitting. The popular continuous collision detection (CCD) based methods are incapable of handling them, as there is no history information to rely on. On the other hand, surfaces of human bodies have normals defined to designate their orientation (i.e. front- and back-face), which are totally overlooked by CCD methods (thus they are orientation-free). In this paper we present a history-free method for separating two penetrating meshes, given that one of them represents a rigid object and has clarified surface orientation. This method computes all edge-face (E-F) intersections with discrete collision detection, and identifies illegal vertices with the help of surface orientation, and then builds a number of penetration stencils. On response, the stencil vertices are relocated into a penetrationfree
state, via a global displacement minimizer. The proposed algorithm outperforms existing methods for handling solid/cloth collisions, thus is an effective tool for applications like virtual-try-on and example-based garment animation synthesis.
关键词Pre-existing Penetrations Penetration Resolving Discrete Collision Detection Surface Orientation
文献类型会议论文
条目标识符http://ir.ia.ac.cn/handle/173211/11530
专题模式识别国家重点实验室_多媒体计算与图形学
通讯作者Ye, Juntao
推荐引用方式
GB/T 7714
Sun, Liming,Nyberg, Timo R.,Xiong, Gang,et al. Minimum Displacements For Cloth-obstacle Penetration Resolving[C],2016.
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