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Preparation Behaviour Synthesis with Reinforcement Learning

Hubert P. H. Shum, Ludovic Hoyet, Edmond S. L. Ho, Taku Komura and Franck Multon
Proceedings of the 2013 International Conference on Computer Animation and Social Agents (CASA), 2013

Preparation Behaviour Synthesis with Reinforcement Learning

Abstract

When humans perform a series of motions, they prepare for the next motion in advance so as to enhance the response time of their movements. This kind of preparation behaviour results in a natural and smooth transition of the overall movement. In this paper, we propose a new method to synthesize the behaviour using reinforcement learning. To create preparation movements, we propose a customized motion blending algorithm that is governed by a single numerical value, which we called the level of preparation. During the offline process, the system learns the optimal way to approach a target, as well as the realistic behaviour to prepare for interaction considering the level of preparation. At run-time, the trained controller indicates the character to move to a target with the appropriate level of preparation, resulting in human-like movements. We synthesized scenes in which the character has to move in a complex environment and interact with objects, such as a character crawling under and jumping over obstacles while walking. The method is useful not only for computer animation, but also for real-time applications such as computer games, in which the characters need to accomplish a series of tasks in a given environment.

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Citations

BibTeX

@inproceedings{shum13preparation,
 author={Shum, Hubert P. H. and Hoyet, Ludovic and Ho, Edmond S. L. and Komura, Taku and Multon, Franck},
 booktitle={Proceedings of the 2013 International Conference on Computer Animation and Social Agents},
 series={CASA '13},
 title={Preparation Behaviour Synthesis with Reinforcement Learning},
 year={2013},
 month={5},
 numpages={10},
 publisher={John Wiley and Sons Ltd.},
 Address={Chichester, UK},
 location={Turkey, Istanbul},
}

RIS

TY  - CONF
AU  - Shum, Hubert P. H.
AU  - Hoyet, Ludovic
AU  - Ho, Edmond S. L.
AU  - Komura, Taku
AU  - Multon, Franck
T2  - Proceedings of the 2013 International Conference on Computer Animation and Social Agents
TI  - Preparation Behaviour Synthesis with Reinforcement Learning
PY  - 2013
Y1  - 5 2013
PB  - John Wiley and Sons Ltd.
ER  - 

Plain Text

Hubert P. H. Shum, Ludovic Hoyet, Edmond S. L. Ho, Taku Komura and Franck Multon, "Preparation Behaviour Synthesis with Reinforcement Learning," in CASA '13: Proceedings of the 2013 International Conference on Computer Animation and Social Agents, Turkey, Istanbul, John Wiley and Sons Ltd., May 2013.

Supporting Grants

Similar Research

Hubert P. H. Shum, Ludovic Hoyet, Edmond S. L. Ho, Taku Komura and Franck Multon, "Natural Preparation Behavior Synthesis", Computer Animation and Virtual Worlds (CAVW), 2013
Edmond S. L. Ho, Hubert P. H. Shum, He Wang and Li Yi, "Synthesizing Motion with Relative Emotion Strength", Proceedings of the 2017 ACM SIGGRAPH Asia Workshop on Data-Driven Animation Techniques (D2AT), 2017
Hubert P. H. Shum, Taku Komura and Pranjul Yadav, "Angular Momentum Guided Motion Concatenation", Computer Animation and Virtual Worlds (CAVW) - Proceedings of the 2009 International Conference on Computer Animation and Social Agents (CASA), 2009
Liuyang Zhou, Lifeng Shang, Hubert P. H. Shum and Howard Leung, "Human Motion Variation Synthesis with Multivariate Gaussian Processes", Computer Animation and Virtual Worlds (CAVW) - Proceedings of the 2014 International Conference on Computer Animation and Social Agents (CASA), 2014
He Wang, Edmond S. L. Ho, Hubert P. H. Shum and Zhanxing Zhu, "Spatio-Temporal Manifold Learning for Human Motions via Long-Horizon Modeling", IEEE Transactions on Visualization and Computer Graphics (TVCG), 2021
Wakana Asahina, Naoya Iwamoto, Hubert P. H. Shum and Shigeo Morishima, "Automatic Dance Generation System Considering Sign Language Information", Proceedings of the 2016 ACM SIGGRAPH Posters, 2016
Naoya Iwamoto, Takuya Kato, Hubert P. H. Shum, Ryo Kakitsuka, Kenta Hara and Shigeo Morishima, "DanceDJ: A 3D Dance Animation Authoring System for Live Performance", Proceedings of the 2017 International Conference on Advances in Computer Entertainment Technology (ACE), 2017
Edmund J. C. Findlay, Haozheng Zhang, Ziyi Chang and Hubert P. H. Shum, "Denoising Diffusion Probabilistic Models for Styled Walking Synthesis", Proceedings of the 2022 ACM SIGGRAPH Conference on Motion, Interaction and Games (MIG) Posters, 2022

 

 

Last updated on 17 February 2024
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