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Control VAE: Model-Based Learning of Generative Controllers for Physics-Based Characters

SessionCharacter Animation
DescriptionIn this paper, we introduce Control VAE, a novel model-based framework for learning generative motion control policies based on variational autoencoders (VAE). Our framework can learn a rich and flexible latent representation of skills and a skill-conditioned generative control policy from a diverse set of unorganized motion sequences, which enables the generation of realistic human behaviors by sampling in the latent space and allows high-level control policies to reuse the learned skills to accomplish a variety of downstream tasks. In the training of Control VAE, we employ a learnable world model to realize direct supervision of the latent space and the control policy. This world model effectively captures the unknown dynamics of the simulation system, enabling efficient model-based learning of high-level downstream tasks. We also learn a state-conditional prior distribution in the VAE-based generative control policy, which generates a skill embedding that outperforms the non-conditional priors in downstream tasks. We demonstrate the effectiveness of Control VAE using a diverse set of tasks, which allows realistic and interactive control of the simulated characters.
Event Type
Technical Communications
Technical Papers
TimeTuesday, 6 December 20222:00pm - 3:30pm KST
LocationRoom 324, Level 3, West Wing




