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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.

     

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出版历程
  • 收稿日期:  2010-09-16
  • 网络出版日期:  2012-01-30

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