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Author

Jia-Rong Wei

2 papers indexed here

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Preprint Sep 2026

CounterPlay: Counterfactual Post-Training for Self-Play Driving Policies

Self-play in high-throughput simulators yields driving policies with robust closed-loop performance, but improvement per unit of simulation diminishes as training scales. Policies learn to handle common situations early, while further rollouts repeatedly encounter unresolved failures. Post-training offers an opportunit...

Jia-Rong Wei, Yi-Nuo Wu, Runkai He et al. · 0 citations
Preprint Sep 2026

Safety-Critical Scenarios Emerge from Initial Scenes

Safety-critical driving scenario generation has largely focused on manipulating the behavior of surrounding agents while starting from an initial scene from driving data. This assumption can limit the space of discoverable failures, since driving data can provide little opportunity for meaningful interaction. For examp...

Yin Wu, Jia-Rong Wei, Carl Esselborn et al. · 0 citations

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