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检索条件"主题词=Geometric algorithms"
222 条 记 录,以下是71-80 订阅
排序:
A Skeleton-Based Approach for Consistent Segmentation Transfer
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JOURNAL OF INFORMATION SCIENCE AND ENGINEERING 2014年 第4期30卷 1053-1070页
作者: Wong, Sai-Keung Yang, Jau-An Ho, Tan-Chi Chuang, Jung-Hong Natl Chiao Tung Univ Dept Comp Sci Hsinchu 300 Taiwan
We present a skeleton-based approach for mapping consistently a segmentation of a source mesh to a target mesh. The source and target meshes are semantically similar but their geometries may be different. We assume th... 详细信息
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Sets of Globally Optimal Stream Surfaces for Flow Visualization
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COMPUTER GRAPHICS FORUM 2014年 第3期33卷 1-10页
作者: Schulze, M. Esturo, J. Martinez Guenther, T. Roessl, C. Seidel, H. -P. Weinkauf, T. Theisel, H. Univ Magdeburg D-39106 Magdeburg Germany
Stream surfaces are a well-studied and widely used tool for the visualization of 3D flow fields. Usually, stream surface seeding is carried out manually in time-consuming trial and error procedures. Only recently auto... 详细信息
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Remeshing-assisted Optimization for Locally Injective Mappings
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COMPUTER GRAPHICS FORUM 2014年 第5期33卷 269-279页
作者: Jin, Y. Huang, J. Tong, R. Zhejiang Univ State Key Lab CAD & CG Hangzhou Zhejiang Peoples R China Zhejiang Univ Artificial Intelligence Inst Hangzhou Zhejiang Peoples R China Zhejiang Univ Cyber Innovat Joint Res Ctr Hangzhou Zhejiang Peoples R China
Constructing locally injective mappings for 2D triangular meshes is vital in applications such as deformations. In such a highly constrained optimization, the prescribed tessellation may impose strong restriction on t... 详细信息
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Pose partitioning for multi-resolution segmentation of arbitrary mesh animations
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COMPUTER GRAPHICS FORUM 2014年 第2期33卷 293-302页
作者: Vasilakis, Andreas A. Fudos, Ioannis Univ Ioannina Dept Comp Sci & Engn GR-45110 Ioannina Greece
We present a complete approach to efficiently deriving a varying level-of-detail segmentation of arbitrary animated objects. An over-segmentation is built by combining sets of initial segments computed for each input ... 详细信息
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Pattern-Based Quadrangulation for N-Sided Patches
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COMPUTER GRAPHICS FORUM 2014年 第5期33卷 177-184页
作者: Takayama, Kenshi Panozzo, Daniele Sorkine-Hornung, Olga Swiss Fed Inst Technol Zurich Switzerland
We propose an algorithm to quadrangulate an N-sided patch (2 <= N <= 6) with prescribed numbers of edge subdivisions at its boundary. Our algorithm is guaranteed to succeed for arbitrary valid input, which is pr... 详细信息
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Efficient triangulation of Poisson-disk sampled point sets
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VISUAL COMPUTER 2014年 第6-8期30卷 773-785页
作者: Guo, Jianwei Yan, Dong-Ming Bao, Guanbo Dong, Weiming Zhang, Xiaopeng Wonka, Peter Chinese Acad Sci Inst Automat LIAMA NLPR Beijing Peoples R China King Abdullah Univ Sci & Technol Visual Comp Ctr Thuwal Saudi Arabia
In this paper, we present a simple yet efficient algorithm for triangulating a 2D input domain containing a Poisson-disk sampled point set. The proposed algorithm combines a regular grid and a discrete clustering appr... 详细信息
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Hierarchical structures for collision checking between virtual characters
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COMPUTER ANIMATION AND VIRTUAL WORLDS 2014年 第3-4期25卷 333-342页
作者: Stuevel, Sybren A. Magnenat-Thalmann, Nadia Thalmann, Daniel Egges, Arjan van der Stappen, A. Frank Univ Utrecht VHTLab Dept Informat & Comp Sci Utrecht Netherlands Univ Utrecht VHTLab Utrecht Netherlands Nanyang Technol Univ Inst Media Innovat Singapore 639798 Singapore
Simulating a crowded scene like a busy shopping street requires tight packing of virtual characters. In such cases, collisions are likely to occur, and the choice in collision detection shape will influence how charac... 详细信息
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Efficient triangulation of Poisson-disk sampled point sets
Efficient triangulation of Poisson-disk sampled point sets
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31st CGI conference
作者: Guo, Jianwei Yan, Dong-Ming Bao, Guanbo Dong, Weiming Zhang, Xiaopeng Wonka, Peter Chinese Acad Sci Inst Automat LIAMA NLPR Beijing Peoples R China King Abdullah Univ Sci & Technol Visual Comp Ctr Thuwal Saudi Arabia
In this paper, we present a simple yet efficient algorithm for triangulating a 2D input domain containing a Poisson-disk sampled point set. The proposed algorithm combines a regular grid and a discrete clustering appr... 详细信息
来源: 评论
An Approximation Algorithm for the Continuous k-Medians Problem in a Convex Polygon
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INFORMS JOURNAL ON COMPUTING 2014年 第2期26卷 280-289页
作者: Carlsson, John Gunnar Jia, Fan Li, Ying Univ Minnesota Dept Ind & Syst Engn Minneapolis MN 55455 USA
We give a fast and simple factor 2.74 approximation algorithm for the problem of choosing the k medians of the continuum of demand points defined by a convex polygon C. Our algorithm first surrounds the input region w... 详细信息
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Fast and accurate evaluation of regularized Boolean operations on triangulated solids
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COMPUTER-AIDED DESIGN 2013年 第3期45卷 705-716页
作者: Feito, F. R. Ogayar, C. J. Segura, R. J. Rivero, M. L. Univ Jaen Dept Comp Sci EPS Jaen Jaen 23071 Spain Univ Jaen Dept Comp Sci EUP Linares Jaen 23700 Spain
In this paper we present a robust and accurate method for evaluating regularized Boolean operations on triangulated solids. It allows the exact evaluation of the regularized union, intersection, difference and symmetr... 详细信息
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