Keyframe-based multi-contact motion synthesis

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Most of the human daily activities include acyclic multi-contact motions. Yet, generating such motions is challenging because of its high-dimensional and nonlinear solution space made by combinations of individual movements of body parts. In this paper, we present a novel keyframe-based framework to automatically generate multi-contact character motions. Our system consists of two components: key-pose planning and interpolation. Given initial and goal poses in which each contact can be repositioned at most one time during the transition, our key-pose planning step generates intermediate key-poses that represent contact changes, taking into account a set of principles for goal-directed movements. Next, the key-poses of each joint are independently interpolated to generate an acyclic multi-contact motion. We demonstrate that our framework can synthesize plausible interaction motions with a number of man-made objects, such as chairs and bicycles, without using any motion data. In addition, we show the scalability of our method by creating a long-term motion of climbing a ladder.
Publisher
SPRINGER
Issue Date
2021-07
Language
English
Article Type
Article
Citation

VISUAL COMPUTER, v.37, no.7, pp.1949 - 1963

ISSN
0178-2789
DOI
10.1007/s00371-020-01956-9
URI
http://hdl.handle.net/10203/286314
Appears in Collection
GCT-Journal Papers(저널논문)
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