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DreamControl: Human-Inspired Whole-Body Humanoid Control for Scene Interaction via Guided Diffusion

Created by
  • Haebom

Author

Dvij Kalaria, Sudarshan S Harithas, Pushkal Katara, Sangkyung Kwak, Sarthak Bhagat, Shankar Sastry, Srinath Sridhar, Sai Vemprala, Ashish Kapoor, Jonathan Chung-Kuan Huang

Outline

DreamControl is a novel methodology that leverages the strengths of diffusion models and reinforcement learning (RL) to learn autonomous full-body humanoid skills. Its core innovation is to use a diffusion prior trained on human motion data to guide an RL policy to complete a specific task (e.g., opening a drawer or picking up an object) in a simulation. DreamControl demonstrates that the prior, which leverages human motion information, enables RL to find solutions that cannot be achieved directly by RL, and that the diffusion model inherently facilitates natural motion, facilitating simulation-to-real-world transfer. We validated DreamControl's effectiveness on a Unitree G1 robot across a variety of challenging tasks requiring simultaneous upper and lower body control and object interaction.

Takeaways, Limitations

Takeaways:
By guiding RL policies using diffusion models, it enables the solution of complex tasks that are difficult to achieve with RL alone.
Generate natural motions to increase the efficiency of simulation-to-real environment transfer.
Demonstrated effectiveness for various full-body control and object interaction tasks.
Limitations:
The specific Limitations is not specified in the abstract. (The content of the paper needs to be confirmed later.)
Dependence on the quantity and quality of human motion data required for diffusion pre-training.
It may be difficult to completely bridge the sim-to-real gap between the simulated and real environments.
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