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A behavior foundation model learns broad behavior priors from large-scale and diverse behavior data, which can then be conveniently adapted to a wide range of downstream tasks.
Paper List
An overview of the pre-training pipelines and adaptation strategies for BFMs discussed in this review. The goal-conditioned learning requires an extrinsic reward function and large-scale human data, while intrinsic reward-driven learning uses intrinsic rewards generated by self-supervised tasks. In contrast, the forward-backward representation learning learns a forward embedding network (FEN) and a backward embedding network (BEN) using reward-free transitions, which can then be combined with a specific reward function to infer a policy. For adaptation strategies, BFMs can be fine-tuned through common approaches, such as full fine-tuning (FFT) and low-rank adaptation (LoRA), as well as methods like latent space adaptation, which adjust the policy by modifying the latent task vector. Beyond fine-tuning, adaptation also involves strategies for hierarchical control, where high-level planners (\textit{e.g.}, generative models like LLMs or diffusion models) process abstract goals and generate subtasks for the BFM to execute as a low-level controller, enabling complex and long-horizon task completion.
Pre-training
Forward-Backward Representation Learning
📅Year
🗃️Archive
🔤Title
📜Paper
🖥️Code
2025
arXiv
BFM-Zero: Promptable Behavioral Foundation Model for Humanoid Control Using Unsupervised Reinforcement Learning
If this project helped your work, please cite us by
@article{yuan2025bfm,
title={A Survey of Behavior Foundation Model: Next-Generation Whole-Body Control System of Humanoid Robots},
author={Yuan, Mingqi and Yu, Tao and Ge, Wenqi and Yao, Xiuyong and Li, Dapeng and Wang, Huijiang and Chen, Jiayu and Li, Bo and Zhang, Wei and Zeng, Wenjun and Chen, Hua and Jin, Xin},
journal={IEEE Transactions on Pattern Analysis and Machine Intelligence},
year={2025},
publisher={IEEE}
}
About
A curated list of behavior(al) foundation model (BFM) papers, articles, tutorials, slides, and projects