物理逼真的人体空翻运动合成

doi:10.16182/j.issn1004731x.joss.201806024

系统仿真学报 ›› 2018, Vol. 30 ›› Issue (6): 2190-2197.doi: 10.16182/j.issn1004731x.joss.201806024

物理逼真的人体空翻运动合成

魏毅^{1, 3}, 夏时洪²

1. 武夷学院数学与计算机学院,福建武夷山354300;
2. 中国科学院计算技术研究所前瞻研究实验室,北京100190;
3. 认知计算与智能信息处理福建省高校重点实验室,福建武夷山354300

收稿日期:2017-03-16 修回日期:2017-07-22 出版日期:2018-06-08 发布日期:2018-06-14
作者简介:魏毅(1978-),男,福建建瓯,博士,讲师,研究方向为虚拟现实;夏时洪(1974-),男,四川平昌,博士,研究员,研究方向为人体运动仿真。
基金资助:
武夷学院科技项目(YJ201607),中国科学院计算技术研究所创新课题(20166040)

Synthesizing Rotational Human Motion with Physical Reality

Wei Yi^{1, 3}, Xia Shihong²

1. School of Mathematics and Computer, Wuyi University, Wuyishan 354300, China;
2. Advanced Computing Research Laboratory, Institute of Computing Technology, Chinese Academy of Sciences, Beijing 100190, China;
3. Fujian Provincial Key Lab of Cognitive Computing and Intelligent Information Processing, Wuyishan 354300, China

Received:2017-03-16 Revised:2017-07-22 Online:2018-06-08 Published:2018-06-14

摘要/Abstract

摘要： 关键帧和关键帧对应时刻对于物理逼真的人体运动合成至关重要。针对关键帧时刻难以用手工准确设定的问题,结合关键帧技术和基于物理的优化技术提出一种自动计算关键帧时刻的方法。该方法通过用户界面设置关键帧、关键帧时刻的初值等信息,求解一个小规模的非线性优化问题计算出物理可行的关键帧时刻,根据优化的关键帧时刻合成出人体空翻运动。在捕获的人体蹦床运动数据上进行了实验,实验结果表明该方法合成的人体运动及其关键帧时刻是物理可行的。

关键词: 关键帧, 动作捕获, 时空约束, 基于物理的优化

Abstract: Both keyframes and their timings play an important role in synthesizing physically realistic human motion. However, physically plausible timings are hard to set by manual. By combing keyframes and the physics-based optimization, a new method is proposed to solve physically plausible timings of given keyframes. Firstly, the keyframes and the initial value of the timings of keyframes are set through a graphical user interface. Secondly, the physically plausible timings of keyframes are obtained by optimizing a small-size nonlinear optimization model. Finally, the rotational human motion is synthesized by the keyframes and the computed timings of keyframes. Experiments are performed based on the captured data of athlete's motions on trampoline and the experimental results show that both the synthesized human motion and its timings are physically plausible.

Key words: keyframe, motion capture, spacetime constraints, physics-based optimization

中图分类号:

TP391.9

魏毅, 夏时洪. 物理逼真的人体空翻运动合成[J]. 系统仿真学报, 2018, 30(6): 2190-2197.

Wei Yi, Xia Shihong. Synthesizing Rotational Human Motion with Physical Reality[J]. Journal of System Simulation, 2018, 30(6): 2190-2197.

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物理逼真的人体空翻运动合成

Synthesizing Rotational Human Motion with Physical Reality

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