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Towards a Natural Motion Generator: a Pipeline to Control a Humanoid based on Motion Data

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cgshort
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Imitation of the upper body motions of human demonstrators or animation characters to human-shaped robots is studied in this paper. We present a pipeline for motion retargeting by defining the joints of interest (JOI) of both the source skeleton and the target humanoid robot. To this end, we deploy an optimization-based motion transfer method utilizing link length modifications of the source skeleton and a task (Cartesian) space fine-tuning of JOI motion descriptors. To evaluate the effectiveness of the proposed pipeline, we use two different 3-D motion datasets from three human demonstrators and an Ogre animation character, Bork, and successfully transfer the motions to four different humanoid robots: DARwIn-OP, COmpliant HuMANoid Platform (COMAN), THORMANG, and Atlas. Furthermore, COMAN and THORMANG are actually controlled to show that the proposed method can be deployed to physical robots.

Link to publication page: https://projects.disneyresearch.com/pubproc/1259/

Category
CG VFX & Misc

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