留言板

尊敬的读者、作者、审稿人, 关于本刊的投稿、审稿、编辑和出版的任何问题, 您可以本页添加留言。我们将尽快给您答复。谢谢您的支持!

姓名
邮箱
手机号码
标题
留言内容
验证码

人体变形中局部坐标系旋转失真问题

王成 戴树岭

王成, 戴树岭. 人体变形中局部坐标系旋转失真问题[J]. 北京航空航天大学学报, 2012, 38(1): 48-52.
引用本文: 王成, 戴树岭. 人体变形中局部坐标系旋转失真问题[J]. 北京航空航天大学学报, 2012, 38(1): 48-52.
Wang Cheng, Dai Shuling. Rotation distortion of local coordinate frame in curve skeleton-driven body deformation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(1): 48-52. (in Chinese)
Citation: Wang Cheng, Dai Shuling. Rotation distortion of local coordinate frame in curve skeleton-driven body deformation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(1): 48-52. (in Chinese)

人体变形中局部坐标系旋转失真问题

基金项目: 国家高技术研究发展计划资助项目(2009AA01Z333)
详细信息
  • 中图分类号: TP 391.9

Rotation distortion of local coordinate frame in curve skeleton-driven body deformation

  • 摘要: 分析了人体变形中选取3个基轴构建坐标系所存在的缺陷,提出了一种位置-四元数的方法,解决了曲线骨架驱动的旋转失真现象.采用四元数球面线形插值和B样条四元数插值的方法构建人体变形中曲线骨架的局部坐标系,采用位置-四元数-缩放的方式代替传统的转化矩阵,通过人体表面顶点在该坐标系下的绑定,实现人体皮肤、肌肉的变形.试验结果显示:该方法有效地消除了局部坐标系的旋转失真现象,适用限制少,易于实现.

     

  • [1] Yang X S,Somasekharan A,Zhang J J. Curve skeleton skinning for human and creature characters[J].Computer Animation and Virtual Worlds,2006,17(3):281-292 [2] Cornea N D,Silver D,Min P.Curve-skeleton applications //IEEE Visualization 2005.Minneapolis: IEEE Press,2005: 95-102 [3] Forstmann S,Ohya J,Artus K G,et al.Deformation styles for spline-based skeletal animation //Proceedings of 2007 ACM SIGGRAPH/Eurographics Symposium on Computer Animation.San Diego: ACM Press,2007: 621-624 [4] Wang X C,Phillips C.Multi-weight enveloping: least-squares approximation techniques for skin animation //In Proceedings of the 2002 ACM SIGGRAPH/Eurographics Symposium on Computer Animation.Saarbruecken: ACM Press,2002:129-133 [5] Lewis J P,Cordner M,Fong N.Pose space deformations:a unified approach to shape interpolation and skeleton-driven deformation //In Proceedings of SIGGRAPH2000.New Orleans: ACM Press,2000:165-172 [6] Kavan L,Zara J.Real-time skin deformation with bones blending //WSCG Short Papers Proceeding,2003.Plzen Czech Republic: Science Press,2003:42-48 [7] Yoo T K,Lee W H.Blend shape with quaternions //The 2007 International Conference on Convergence Information Technology (ICCIT'07).Gyeongju: IEEE Press,2007:776-780 [8] Kavan L,Zara J.Spherical blend skinning: a real-time deformation of articulated models //In 2005 ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games.Washington: ACM Press,2005: 9-16 [9] Kavan L,Collins S,Zara J,et al.Geometric skinning with approximate dual quaternion blending[J].ACM Transaction on Graphics,2008,27(4):101-107 [10] Luciana P N.Anatomic modeling of human bodies using physically-based muscle simulation .Lausanne: EPFL(école Polytechnique Fédérale de Lausanne),1998 [11] Aubel A.Anatomically-based human body deformations .Lausanne: EPFL(école Polytechnique Fédérale de Lausanne),2002 [12] Zuo L,Li J T.Human musculature modeling for real-time deformation[J].Journal of System Simulation,2003,6(4):41-46 [13] Klok F.Two moving coordinate frames for sweeping along a 3d trajectory[J].Computer Aided Geometric Design,1986,5(3):217-229 [14] Forstmann S,Ohya J.Fast skeletal animation by skinned arc-spline based deformation //Eurographics 2006 Short Papers.Vienna: ACM Press,2006:51-54 [15] Lee K S,Golam A.Simplified muscle dynamics for appealing real-time skin deformation //The 2007 InternationalConference on Computer Graphics and Virtual Reality (CGVR'07).Las Vegas: CSREA Press,2007:160-167 [16] Kim M J,Kim M S,Sung Y S.A general construction scheme for unit quaternion curves with simple high order derivatives //In Proceedings of SIGGRAPH 1995.Los Angeles: ACM Press,1995: 369-376
  • 加载中
计量
  • 文章访问数:  2804
  • HTML全文浏览量:  201
  • PDF下载量:  669
  • 被引次数: 0
出版历程
  • 收稿日期:  2010-09-16
  • 网络出版日期:  2012-01-30

目录

    /

    返回文章
    返回
    常见问答