Tianyi Zhou

Assistant Professor, University of Maryland, College Park

4 papers at NeurIPS 2025

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Poster Session 1

1 paper

Wednesday, December 3, 2025 · 11:00 AM → 2:00 PM

Exhibit Hall C,D,E

Don’t Think Longer, Think Wisely: Optimizing Thinking Dynamics for Large Reasoning Models

#4203 · Sohyun An, Ruochen Wang, Tianyi Zhou, Cho-Jui Hsieh

Poster Session 3

2 papers

Thursday, December 4, 2025 · 11:00 AM → 2:00 PM

Exhibit Hall C,D,E

WALL-E: World Alignment by NeuroSymbolic Learning improves World Model-based LLM Agents

#2811 · Siyu Zhou, Tianyi Zhou, Yijun Yang, Guodong Long, Deheng Ye, Jing Jiang, Chengqi Zhang

ColorBench: Can VLMs See and Understand the Colorful World? A Comprehensive Benchmark for Color Perception, Reasoning, and Robustness

#4716 · Yijun Liang, Ming Li, Chenrui Fan, Ziyue Li, Dang Nguyen, Kwesi Adu Cobbina, Shweta Bhardwaj, Jiuhai Chen, Fuxiao Liu, Tianyi Zhou

This paper introduces a comprehensive benchmark (COLORBENCH) and detailed analysis to systematically analyze how well VLMs perceive, reason about, and robustly handle colors.

Poster Session 5

1 paper

Friday, December 5, 2025 · 11:00 AM → 2:00 PM

Exhibit Hall C,D,E

VideoHallu: Evaluating and Mitigating Multi-modal Hallucinations on Synthetic Video Understanding

#4715 · Zongxia Li, Xiyang Wu, Guangyao Shi, Yubin Qin, Hongyang Du, Tianyi Zhou, Dinesh Manocha, Jordan Lee Boyd-Graber

We present VideoHallu, a benchmark of over 3,000 synthetic videos with expert-crafted counterintuitive QA pairs, evaluating MLLMs' ability to detect perceptually obvious abnormalities often missed due to language priors.