Author

Jiawei Yang

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Preprint Sep 2026

PhysWAM: Physically Consistent World Action Model for Autonomous Driving

World-action models (WAMs) jointly predict how a scene will evolve and how an agent should act, however joint generation alone does not necessarily impose a shared geometric constraint on these predictions. We present PhysWAM, a unified world-action model for autonomous driving that co-denoises multiview video, metric...

Dhruv Parikh, Feng-Cheng Yu, Quan-Kai Gao et al. · 0 citations

Jul 2026

JigShape: Evaluating Visual-Geometric Reasoning in VLMs through Jigsaw Puzzles

A benchmark with tab-and-blank interlocking pieces where geometric constraints provide strong local compatibility requirements that, combined with visual content, yield unambiguous ground truth is introduced, establishing scalable geometric reasoning as an open challenge for vision-language models.

Shawn Li, Wei Yang, Jike Zhong et al. · arXiv.org · 1 citation

Preprint Aug 2026

Token Radius Attention for Efficient Video Generation

This work proposes Token Radius Attention (TRA), a training-free framework that maps query entropy to an analytic token budget and converts it into a temporally decayed radius without explicit key ranking and achieves 1.05x speedup with competitive generation quality.

Jia-Yu Chen, Zhi-Kun Jiang, Mao-Liang Li et al. · 0 citations