Author

Yilin Wang

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Jul 2026

Efficient Frame Selection for Long Videos at Test Time with Attention-Based MLLM Selectors

DAFS (Dynamic Attention-based Budget-aware Frame Selection), a training-free frame selector that improves over uniform sampling by up to 6.4 points on Video-MME and outperforms prior training-based selectors under matched frame budgets, while generalizing across selector and answerer backbones, and across tasks, withou...

Yilin Wang, Xiangxi Zheng, Dongxing Mao et al. · arXiv.org · 2 citations

Preprint Aug 2026

Same Semantics, Different Paths: Self-Improving Alignment for Vision-Text Compression

SPIRAL (Self-improving Path Integration and Realignment), a self-supervised alignment framework that closes this gap using only the model's own text-path behavior as supervision, requiring no external teachers or additional annotations, generalize to out-of-domain benchmarks, confirming that effective VTC hinges on ali...

Tianyu Liang, Xiangxi Zheng, Yilin Wang et al. · 2 citations