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HTTP/2 200 server: GitHub.com content-type: text/html; charset=utf-8 last-modified: Mon, 07 Jul 2025 07:38:14 GMT access-control-allow-origin: * strict-transport-security: max-age=31556952 etag: W/"686b7966-5b94" expires: Tue, 30 Dec 2025 02:11:16 GMT cache-control: max-age=600 content-encoding: gzip x-proxy-cache: MISS x-github-request-id: 4883:21D6A4:98C709:AB7682:6953326C accept-ranges: bytes age: 0 date: Tue, 30 Dec 2025 02:01:16 GMT via: 1.1 varnish x-served-by: cache-bom-vanm7210027-BOM x-cache: MISS x-cache-hits: 0 x-timer: S1767060076.398216,VS0,VE229 vary: Accept-Encoding x-fastly-request-id: 477d4af8fe8927a6d6f8c478f709cd396d7199ec content-length: 5404 Yiyang Zhou

Yiyang Zhou

Computer Science PhD
The University of North Carolina at Chapel Hill

Chapel Hill, US

zhouyiyangailab@gmail.com

About Me

I’m currently a CS Ph.D. student at UNC Chapel Hill, advised by Prof. Huaxiu Yao. Previously, I was a master’s student majoring in Computer Science and Technology at Xi’an Jiaotong University, conducting research under the guidance of Prof. Jihua Zhu.

Research Interests

Large Vision-language Models
Robot Learning and Embodied AI

Selected Publications and Preprints

NeurIPS

VHELM: A Holistic Evaluation of Vision Language Models

Tony Lee^*, Haoqin Tu^*, Chi Heem Wong^*, Wenhao Zheng, Yiyang Zhou, Yifan Mai, Josselin Somerville Roberts, Michihiro Yasunaga, Huaxiu Yao, Cihang Xie, Percy Liang

NeurIPS 2024.

Website PDF GitHub
NeurIPS

Calibrated Self-Rewarding Vision Language Models

Yiyang Zhou^*, Zhiyuan Fan^*, Dongjie Cheng^*, Sihan Yang, Zhaorun Chen, Chenhang Cui, Xiyao Wang, Yun Li, Linjun Zhang, Huaxiu Yao

NeurIPS 2024 (the short version is presented in ICML 2024 Workshop on Foundation Models in the Wild).

Website PDF GitHub
NeurIPS

CARES: A Comprehensive Benchmark of Trustworthiness in Medical Vision Language Models

Peng Xia, Ze Chen, Juanxi Tian, Yangrui Gong, Ruibo Hou, Yue Xu, Zhenbang Wu, Zhiyuan Fan, Yiyang Zhou, Kangyu Zhu, Wenhao Zheng, Zhaoyang Wang, Xiao Wang, Xuchao Zhang, Chetan Bansal, Marc Niethammer, Junzhou Huang, Hongtu Zhu, Yun Li, Jimeng Sun, Zongyuan Ge, Gang Li, James Zou, Huaxiu Yao

NeurIPS 2024 (the short version is presented in ICML 2024 Workshop on Foundation Models in the Wild).

Website PDF GitHub
arXiv

MJ-Bench: Is Your Multimodal Reward Model Really a Good Judge for Text-to-Image Generation?

Zhaorun Chen^*, Yichao Du^*, Zichen Wen^*, Yiyang Zhou^*, Chenhang Cui, Zhenzhen Weng, Haoqin Tu, Chaoqi Wang, Zhengwei Tong, Qinglan Huang, Canyu Chen, Qinghao Ye, Zhihong Zhu, Yuqing Zhang, Jiawei Zhou, Zhuokai Zhao, Rafael Rafailov, Chelsea Finn, Huaxiu Yao

Arxiv 2024 (the short version is presented in ICML 2024 Workshop on Foundation Models in the Wild).

Website PDF GitHub
arXiv

Aligning Modalities in Vision Large Language Models via Preference Fine-tuning

Yiyang Zhou^*, Chenhang Cui^*, Rafael Rafailov, Chelsea Finn, Huaxiu Yao

Arxiv 2024 (the short version is presented in ICLR 2024 R2-FM Workshop).

Website PDF GitHub
ECCV

How Many Unicorns Are in This Image? A Safety Evaluation Benchmark for Vision LLMs

Haoqin Tu^*, Chenhang Cui^*, Zijun Wang^*, Yiyang Zhou, Bingchen Zhao, Junlin Han, Wangchunshu Zhou, Huaxiu Yao, Cihang Xie

ECCV 2024.

Website PDF GitHub
ICLR

Analyzing and Mitigating Object Hallucination in Large Vision-Language Models

Yiyang Zhou^*, Chenhang Cui^*, Jaehong Yoon, Linjun Zhang, Zhun Deng, Chelsea Finn, Mohit Bansal, Huaxiu Yao

ICLR 2024 (the short version is presented in NeurIPS 2023 Instruction Workshop).

Website PDF GitHub

arXiv

mPLUG-Owl: Modularization Empowers Large Language Models with Multimodality

Qinghao Ye^*, Haiyang Xu^*, Guohai Xu^*, Jiabo Ye, Ming Yan, Yiyang Zhou, Junyang Wang, Anwen Hu, Pengcheng Shi, Yaya Shi, Chenliang Li, Yuanhong Xu, Hehong Chen, Junfeng Tian, Qian Qi, Ji Zhang, Fei Huang

Arxiv 2023.

Website PDF Hugging Face GitHub

Experiences

(1) ByteDance Seed - Research Intern (2025, San Jose, US)

(2) Microsoft - Research Intern

(3) The University of North Carolina at Chapel Hill - Research Intern (2023-2024, Chapel Hill, US)

(4) Sun Yat-sen University - Research Intern (2023, China)

(5) Alibaba DAMO Academy - Research Intern (2023, Hangzhou, China)

(6) UBS - Investment Intern (2019-2022, Hong Kong, Singapore)

Awards

[First Prize.2023] National Scholarship (rank 2/389)
[First Prize.2023] Outstanding Graduate Student Award
[Second Prize.2022] Xi’an Jiaotong University Postgraduate Academic Scholarship
[First Prize.2019] Jilin University Outstanding student of the School of Software
[First Prize.2019] Jilin Province Mathematical Modeling Competition for College Students
[Second Prize.2019] Scholarship of the School of Software
[Third Prize.2019] Jilin University ”Internet+” Student Innovation and Entrepreneurship Competition

Other Fields

Web3 (Top 30 OFFICIAL TRUMP MEME Holder), Chinese whale, Trader, Amateur Poker, Hotel Management (碧桂园-Country Garden 长沙, 亚朵-Atour Hotel 成都, 汉庭-Hanting Hotel 成都)

Services

Conference Reviewers

Journal Reviewers

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