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Long-Horizon Visual Imitation Learning via Plan and Code Reflection

Created by
  • Haebom

Author

Quan Chen, Chenrui Shi, Qi Chen, Yuwei Wu, Zhi Gao, Xintong Zhang, Rui Gao, Kun Wu, Yunde Jia

Outline

To address the challenges of visual imitation learning (VML), which involves learning from long-term demonstrations with complex action sequences, this paper proposes a novel agent framework that integrates two reflection modules to enhance planning and code generation capabilities. The framework ensures temporal consistency and spatial alignment of action sequences through the plan generation module and the plan reflection module, while the code generation module and the code reflection module verify and improve the accuracy and consistency of the generated code with the plan. Furthermore, we introduce LongVILBench, a new benchmark that includes an 18-step action sequence that emphasizes temporal and spatial complexity, to support systematic evaluation. Experimental results demonstrate that the proposed framework outperforms existing methods.

Takeaways, Limitations

Takeaways:
A novel framework for effectively learning temporal and spatial relationships in long-term demonstration-based visual imitation learning.
Emphasize the importance of a reflection module that detects and corrects errors during the planning and code generation process.
Development and release of LongVILBench, a new benchmark for long-term demonstration learning.
Overcoming the limitations of existing methods and presenting new standards
Limitations:
The paper itself does not specifically mention Limitations
More experiments and validation in various environments are needed.
Further research is needed on the computational cost and efficiency of the reflective module.
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