Selected Publications

A full list of my publications can be found on my Google Scholar.

Rubrics as Visual-Repair Context for Self-Evolving UI-to-Code Generation

Tianyi Xiong, Zhengyuan Yang, Xiaofei Wang, Chung-Ching Lin, Ruichun Ma, Kevin Lin, Zhendong Wang, Linjie Li, Chenxi Liu, Ruibo Chen, Ramani Duraiswami, Heng Huang, Lijuan Wang
NeurIPS’26 LCFM Workshop, 2026
[paper] / [project page]

LLMs Improving LLMs: Agentic Discovery for Test-Time Scaling

Tong Zheng, Haolin Liu, Chengsong Huang, Huiwen Bao, Sheng Zhang, Rui Liu, Runpeng Dai, Ruibo Chen, Chenxi Liu, Tianyi Xiong, Xidong Wu, Hongming Zhang, Heng Huang
Conference on Neural Information Processing Systems (NeurIPS), 2026
[paper] / [project page] / [code]

PhyCritic: Multimodal Critic Models for Physical AI

Tianyi Xiong, Shihao Wang, Guilin Liu, Yi Dong, Ming Li, Heng Huang, Jan Kautz, Zhiding Yu
IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2026
[paper] / [project page]

GR00T N1.6: An Improved Open Foundation Model for Generalist Humanoid Robots

GR00T Team, NVIDIA
Technical Report, 2025
[project] / [model card]

🌟 Highlight

Multi-Crit: Benchmarking Multimodal Judges on Pluralistic Criteria-Following

Tianyi Xiong*, Yi Ge*, Ming Li, Zuolong Zhang, Pranav Kulkarni, Kaishen Wang, Qi He, Zeying Zhu, Chenxi Liu, Ruibo Chen, Tong Zheng, Yanshuo Chen, Xiyao Wang, Renrui Zhang, Wenhu Chen, Heng Huang
IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2026
[paper] / [project page] / [code]

LLaVA-Critic-R1: Your Critic Model is Secretly a Strong Policy Model

Xiyao Wang, Chunyuan Li, Jianwei Yang, Kai Zhang, Bo Liu, Tianyi Xiong, Furong Huang
arxiv preprint, 2025
[paper]

Modality-Balancing Preference Optimization of Large Multimodal Models by Adversarial Negative Mining

Chenxi Liu, Tianyi Xiong, Yanshuo Chen, Ruibo Chen, Yihan Wu, Junfeng Guo, Tianyi Zhou, Heng Huang
arxiv preprint, 2025 [paper]

LLaVA-Critic: Learning to Evaluate Multimodal Models

Tianyi Xiong, Xiyao Wang, Dong Guo, Qinghao Ye, Haoqi Fan, Quanquan Gu, Heng Huang, Chunyuan Li
IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2025
[paper] / [project page] / [huggingface]

Event3DGS: Event-Based 3D Gaussian Splatting for High-Speed Robot Egomotion

Tianyi Xiong*, Jiayi Wu*, Botao He, Cornelia Fermuller, Yiannis Aloimonos, Heng Huang, Christopher A. Metzler
Annual Conference on Robot Learning (CoRL), 2024
[paper] / [project page]

MasQCLIP for Open-Vocabulary Universal Image Segmentation

Xin Xu*, Tianyi Xiong*, Zheng Ding, Zhuowen Tu
International Conference on Computer Vision (ICCV), 2023
[paper] / [project page]