Xiwei Liu

Zayed University of Artificial Intelligence

Papers on Lattice

Total citations

Topics

Publication activitypapers/week, last 8 weeks

Research focus

Multimodal Models (2)Reasoning & Chain-of-Thought (2)Interpretability & Mechanistic Interp (1)

Frequent co-authors

Zhixiang Lu (2)Imran Razzak (2)Yulong Li (1)Xinlin Zhuang (1)

Papers (2)

Aug 24, 2026

Zayed University of Artificial3d ago·also CUHK, University Of Liverpool

Grounding Isn't Knowing: Do VLMs Need Object Localization for Spatial Reasoning?

Spatial reasoning in VLMs operates on coarse object localization rather than precise boundaries, revealing a surprising disconnect between knowing where objects are and how they relate.

Xiwei Liu, Yulong Li, Xinlin Zhuang +5

Interpretability & Mechanistic Interp Multimodal Models Reasoning & Chain-of-Thought

Jun 25, 2026

Zayed University of ArtificialJun 25, 2026·also SJTU, University Of Liverpool

TAVR-VLM: Risk-Conditioned Causal Grounding for Hallucination-Resistant Report Generation

Hallucination rates drop to just 8.1% with TAVR-VLM, revolutionizing the reliability of AI-generated surgical reports.

Zhixiang Lu, Xiwei Liu, Sifan Song +4

Multimodal Models Reasoning & Chain-of-Thought

Search

Xiwei Liu

Publication activitypapers/week, last 8 weeks

Research focus

Frequent co-authors

Papers (2)