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Roy Ka-Wei Lee

2 papers indexed

arxivcs.CV2026-07-18

PAVXploreRL: Physical-Action-Visual World Model Reinforcement Learning with Action Exploration

Han Wang, Zijun Wang, Shuoshuo Xue, Rui Cao, Fengjiao Cheng, Xiaodan Liang, et al.

Action-conditioned world models are a key component of embodied AI, serving as scalable policy evaluators that reduce reliance on expensive real-world rollouts. To accurately capture diverse action-induced dynamics, such models should satisfy three key objectives-Physical Plausib…

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arxivcs.AIcs.HC2026-07-16

Project Kaleidoscope: Contextual, Human-Aligned Evaluation for Real-World AI Applications

Leanne Tan, Rohan Jaggi, Shaun Khoo, Roy Ka-Wei Lee

Evaluations (Evals) are a deployment bottleneck for real-world AI applications: public benchmarks rarely match a team's users, context, or policies, and human review is often tedious to scale. Motivated by our work with AI applications in the public sector, this project addresses…

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