Author

Wei-Han Shi

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Review Open access Sep 2026

A Survey of Visual Question Answering for Embodied Robots: Tasks, Methods, and Future Directions

Visual Question Answering (VQA) in embodied settings draws on computer vision, natural language processing, and robotics. Unlike traditional VQA, Embodied Question Answering (EQA) may require an agent to acquire and retain evidence from a 3D environment before answering a natural language query. This semi-systematic su...

Wei-Han Shi, Yinlong Liu · Applied Informatics · 0 citations

#artificial intelligence Preprint Oct 2026

OPD Before RL: Warm-Starting Rubric-Based RL with On-Policy Distillation

Many useful language-model tasks cannot be evaluated by exact outcome verification. Rubric-based reinforcement learning (RL) addresses this issue by scoring open-ended responses against explicit criteria. However, because the reward is assigned after the complete response, the training signal does not directly identify...

Xinpeng Wang, Wei-Han Shi, Yu-Chia Chen et al. · 0 citations