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Weihao Xuan

2 papers indexed

arxivcs.HC2026-07-15

ExpressionCueLens: A Cross-Cultural Analysis of Human-AI Companion Conversations on Social Media

Lynnette Hui Xian Ng, Yunze Xiao, Lionel Z. Wang, Weihao Xuan, Mona Diab

LLM-based AI companion agents are increasingly being perceived not only as tools but also as social companions. On social media, people recount conversations where these agents comfort, negotiate and assert boundaries, reflecting a growing attribution of human-like qualities. To…

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arxivcs.CVcs.AIcs.CL2026-07-01

MindEdit-Bench: Benchmarking Object-Level Counterfactual Spatial Reasoning in VLMs from In-the-Wild Photos

Leyuan Yu, Xiao Tang, Minghao Liu, Xinyuan Li, Xiaokai Bai, Sheng Zhou, et al.

Benchmarks for vision-language models (VLMs) mostly test observational spatial reasoning: models describe relations already visible in the input. Existing what-if tasks typically vary the observer while keeping the scene fixed. Can VLMs instead predict the consequences of hypothe…

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