Author

Tian-Yu Zhang

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Preprint Oct 2026

VideoJev: System One Model for Video Understanding and Interaction

VideoJev, a family of models that cast video understanding and interaction as structured decision tasks, is introduced, a family of models that cast video understanding and interaction as structured decision tasks that combine the semantic flexibility of MLLMs with efficient decisions that agents can use directly.

Yu-Han Zhu, Xiang-Yun Zeng, Qing-Yi Si et al. · 1 citation

#artificial intelligence Preprint Oct 2026

What Matters in Quality-Aware VLA Pretraining: A Benchmark and Empirical Study

How should demonstration quality be used during vision-language-action (VLA) pretraining to improve performance after target-task fine-tuning? We compare weighting, filtering, and conditioning across reward definitions and label granularities using 5,000 naturally suboptimal human demonstrations and 24 target tasks. Wi...

Ming-Xuan Yan, Li-Tian Gong, Di Huang et al. · 0 citations