Author

Cheng Deng

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Preprint Oct 2026

Evidence-Guided Counterfactual Learning for Long-Tailed Robotic Policies

In the practical deployment of vision--language--action policies, handling long-tailed task distributions is a common challenge due to the highly imbalanced composition of robot demonstration datasets. To investigate this issue, we study the head-task action bias in shared robot policies, particularly focusing on its r...

Wei-Wei Chen, Cheng-Hao Xu, Mei-Ling Yu et al. · 0 citations

2025

Smooth and Flexible Camera Movement Synthesis via Temporal Masked Generative Modeling

This paper proposes TemMEGA (Temporal Masked Generative Modeling), a unified framework capable of handling both online and offline camera movement generation, and demonstrates its superiority in both online and offline camera movement synthesis.

Cheng-Hao Xu, Guangtao Lyu, Jiexi Yan et al. · Neural Information Processin... · 2 citations

Preprint Aug 2026

Remember Smarter: Visual History Compressor and Hyperbolic Experience Space for Robotic Memory

Long-horizon robot policies require compact access to recent observations and reusable experience without expanding the vision-language-action (VLA) context. We introduce Remember Smarter (RS), a plug-and-play module with complementary visual-history and hyperbolic experience-memory branches. Its visual branch compress...

Dai Zhou, Jiexi Yan, Tong Li et al. · 0 citations