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Xianhao Chen

2 papers indexed

arxivcs.NI2026-07-23

Update the Unseen Only: Minimizing AoI for Collaborative Perception through Online Learning

Yanan Ma, Zhuoyi Zhao, Zhengru Fang, Haonan An, Xianhao Chen, Yuguang Fang

While collaborative perception (CP) enhances the safety of autonomous driving, limited bandwidth can cause severe shared data staleness in CP systems. Existing age-of-information (AoI) minimization policies are not well-suited for CP, as they overlook the fact that a vehicle's Ao…

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arxivcs.CVcs.RO2026-07-06

Beyond Isolated Objects: Relationship-aware Open Vocabulary Scene Understanding via 3D Scene Graph Analysis

Xianhao Chen, Jiarui Hu, Yuanbo Yang, Xiyu Zhang, Tengyue Wang, Hujun Bao, et al.

Open-vocabulary 3D scene understanding aims to segment 3D scenes beyond predefined categories by transferring semantic knowledge from vision-language models. Existing methods have advanced this task by lifting language-aligned 2D features into 3D, yet they often rely on context-i…

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