Author

Nan-Yun Peng

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Preprint Oct 2026

STRIDE: Evaluating Spatiotemporal Reasoning in Driving Edge Cases

In autonomous driving, perceiving surrounding objects is not enough: failing to understand how they move and interact over time can lead to dangerous decisions. Evaluating vision-language models (VLMs) therefore requires testing whether they connect past spatial observations to future consequences. Yet existing benchma...

Lie-Qi Liu, Rui Gao, Jia-Chen Gu et al. · 0 citations

#artificial intelligence Preprint Oct 2026

Geometric Calibration of Supervised Fine-Tuning

Recent studies investigate the weight geometry through its spectral structure, which characterizes how the weights transform different input directions. Within this view, supervised fine-tuning (SFT) is shown to induce dense updates that perturb the spectral geometry of pre-SFT weights along their principal directions,...

Jian-Zhu Bao, Jia-Chen Gu, Qing-Yuan Liu et al. · 0 citations