Motion Retargetting based on Dilated Convolutions and Skeleton-specific Loss Functions

SangBin Kim, Inbum Park, Seongsu Kwon, and JungHyun Han

Computer Graphics Forum (Proc. EUROGRAPHICS 2020)

[paper][code]


Abstract

Motion retargetting refers to the process of adapting the motion of a source character to a target. This paper presents a motion retargetting model based on temporal dilated convolutions. In an unsupervised manner, the model generates realistic motions for various humanoid characters. The retargetted motions not only preserve the high-frequency detail of the input motions but also produce natural and stable trajectories despite the skeleton size differences between the source and target. Extensive experiments are made using a 3D character motion dataset and a motion capture dataset. Both qualitative and quantitative comparisons against prior methods demonstrate the effectiveness and robustness of our method.


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