Driving world-action models improve planning by coupling multimodal reasoning with future prediction, but their growing inference cost increasingly conflicts with the real-time latency requirements of vehicle control. Existing acceleration methods reduce tokens, layers, or sampling steps with policies selected prior to...
Xiao-Huan Pei, Heng-Guang Zhou, Yuan-Hao Ban et al.· 0 citations
Multimodal large language models (MLLMs) often struggle with fine-grained visual perception when processing complete images, as critical evidence may only appear in local regions. On-policy self-distillation (OPD) enables transferring privileged visual knowledge from informative views to full-image policies, but queryi...
Zi-Han Chen, Heng-Guang Zhou, Yuan Kang et al.· 0 citations
This work replaces the static critic with a feed-forward 4D reconstruction reward that explicitly models scene dynamics, allowing coherent motion to receive high consistency rewards, and adds a motion prior that rewards natural scene-flow magnitude while penalizing jitter and non-rigid artifacts.
Yuan-Hao Ban, Jia-Qi Feng, Heng-Guang Zhou et al.· 0 citations
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