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Automatic skinning and animation of skeletal models
Li, Jituo1,2; Lu, Guodong1; Ye, Juntao3
Source PublicationVISUAL COMPUTER
AbstractIn this paper, we present an efficient yet easy-to-implement technique which performs automatic skinning and animation of skeletal models. At a pre-processing stage, a character model is firstly decomposed into a number of segments per bone basis, and each segment is then subdivided into several chunks. A convex cage is automatically created for each chunk. The skinning and animation of skeletal models is achieved via two steps. At the first step, by minimizing a sum of several energy terms, chunk cages are implicitly skinned to the skeleton and animated. These energies are carefully designed to prevent unnatural volume change and guarantee smooth deformation transition between adjacent cages. At the second step, the model mesh vertices, represented as the mean-value coordinates with reference to proper cage vertices, are updated via cage-based deformation technique. Our approach avoids the labor-intensive process of vertex weighting and cage generation. Given the motion of a skeleton, the character model can be animated automatically.
KeywordSkeleton Cage Deformation
WOS HeadingsScience & Technology ; Technology
Indexed BySCI ; ISTP
WOS Research AreaComputer Science
WOS SubjectComputer Science, Software Engineering
WOS IDWOS:000290767600017
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Zhejiang Univ, Dept Mech Engn, Engn & Comp Graph Inst, Hangzhou 310027, Peoples R China
2.Donghua Univ, Minist Educ, Engn Res Ctr Digitized Text & Fash Technol, Shanghai, Peoples R China
3.Chinese Acad Sci, Inst Automat, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Li, Jituo,Lu, Guodong,Ye, Juntao. Automatic skinning and animation of skeletal models[J]. VISUAL COMPUTER,2011,27(6-8):585-594.
APA Li, Jituo,Lu, Guodong,&Ye, Juntao.(2011).Automatic skinning and animation of skeletal models.VISUAL COMPUTER,27(6-8),585-594.
MLA Li, Jituo,et al."Automatic skinning and animation of skeletal models".VISUAL COMPUTER 27.6-8(2011):585-594.
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