Sketch-based rotation editing

被引：0
|
作者：
Xie, Yue [1 ]
Xu, Wei-wei [2 ]
Yu, Yi-zhou [3 ]
Weng, Yan-lin [1 ]
机构：
[1] Zhejiang Univ, Sch Comp Sci & Technol, Hangzhou 310027, Zhejiang, Peoples R China
[2] Microsoft Res Asia, Internet Graph Grp, Beijing 100190, Peoples R China
[3] Univ Illinois, Dept Comp Sci, Urbana, IL 61801 USA
来源：
JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE C-COMPUTERS & ELECTRONICS | 2011年 / 12卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Quaternions; Keyframe interpolation; Animation editing; INTERFACE;
D O I：
10.1631/jzus.C1000373
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We present a sketch-based rotation editing system for enriching rotational motion in keyframe animations. Given a set of keyframe orientations of a rigid object, the user first edits its angular velocity trajectory by sketching curves, and then the system computes the altered rotational motion by solving a variational curve fitting problem. The solved rotational motion not only satisfies the orientation constraints at the keyframes, but also fits well the user-specified angular velocity trajectory. Our system is simple and easy to use. We demonstrate its usefulness by adding interesting and realistic rotational details to several keyframe animations.
引用
收藏
页码：867 / 872
页数：6
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