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Hao-Tian Xia

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#artificial intelligence Preprint Jul 2026

SportD: How do VLMs physically strategize?

SportD opens a new direction for rigorously evaluating physical strategic decision-making in VLMs, showing that careful decomposition of their choices can reveal the mechanisms underlying systematic biases such as risk aversion.

Jasin Cekinmez, Addison J. Wu, Hao-Tian Xia et al. · 0 citations
Preprint Aug 2026

Perception Before Reasoning: Dynamic Latent Reasoning for Video Understanding and Question Answering

DyLaR is proposed, which first grounds a question in a short block of perception latents, and then adaptively decides whether to append reasoning latents before answering, and which improves average accuracy over same-backbone baselines while generating fewer than 20 tokens per query.

Hao-Tian Xia, Zilin Xiao, Junbo Zou et al. · 0 citations

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