OALib Journal期刊
ISSN: 2333-9721
费用:99美元
|
|
|
基于球面参数化的人脸动画重映射
DOI: 10.11834/jig.20090726
Keywords: 球面参数化,动画重映射,人脸动画,Motion,Capture,唇线分割
Abstract:
动画重映射是生成真实感人脸动画的重要途径,为了快速地进行人脸动画重映射,提出了一种基于球面参数化的动画重映射算法,该算法先通过引入球面参数化来保证参数域上的三角面不重叠,再利用重心坐标插值,以实现简单、无歧义的重映射。该算法不仅能够在保证真实感的基础上显著提升重映射的速度,并可减少需要标记的关键点个数。另外,结合唇线自动分割和区域划分还能修正直接插值产生的错误。实验表明,该新算法可用于MotionCapture采集的稀疏关键点的人脸动画数据的重映射。
References
[1] | Nob J,Neumann U,Expression cloning,Los Angeles,CA,USA,2001.
|
[2] | Sumner B,Popovic J,Deformation transfer for triangle meshes,Los Angeles; CA,USA,2004.
|
[3] | Sheffer A,Prnun E,Bose K,Mesh parameterization methods and their applications,Foundations and Trends in Computer Graphics and Vision,2006(2).
|
[4] | Gotsman C,Gu X,Sheller A,Fundamentals of spherical parameterization for 3D meshes,San Diego,CA,USA,2003.
|
[5] | Pranu E,Hoppe H,Spherical parametrization and remeshing,San Diego,CA,USA,2003.
|
[6] | Alexa M,Merging polyhedral shapes with scattered features,Aizu-Wakamatsu,Japan,1999.
|
[7] | 胡国飞.方兴.彭群生 凸组合球面参数化 [J].-计算机辅助设计与图形学学报2004(5)
|
[8] | Wolfram Besearch.MathWorld 2007
|
[9] | Langer T,Belyaey,A,Seidel H,Spherical baryeantric coordinates,Sardinia,Italy,2006.
|
[10] | Johnson D,A note on Dijkstra\'s shortest path algorithm,Journal of the ACM,1973(3).
|
Full-Text
|
|
Contact Us
service@oalib.com QQ:3279437679 
WhatsApp +8615387084133
|
|