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Yujun Cai

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#artificial intelligence Preprint Oct 2026

Rotated, but How Far? Diagnosing and Improving Object-Rotation Reasoning in VLMs

Vision-language models (VLMs) can detect that an object has rotated across views, but cannot reliably tell by how much. We introduce OR-Bench, a fine-grained benchmark for object-rotation reasoning with eight tasks covering rotation detection, rotation magnitude estimation, and multi-view rotation reasoning. Across 12...

Zhao-Chen Wang, Yu-Jun Cai, Huang-Bo Zou et al. · 0 citations

What Should a Streaming Video Model Remember?

This work proposes SelectStream, a selective latent-memory framework that keeps the current observation directly visible to a frozen VLM while exposing historical information only through a compact, query-conditioned evidence budget.

Haonan Ge, Yi-Wei Wang, Hang Wu et al. · 8 citations · ⚡1

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