Tiankai Hang

Tiankai is a Researcher at Tencent Hunyuan. He received his Ph.D. degree from Southeast University (SEU), jointly trained at Microsoft Research Asia (MSRA) under Prof. Baining Guo and Prof. Xin Geng. During his studies, he also interned at the Visual Computing Group in MSRA, mentored by Shuyang Gu and Han Hu. He obtained his B.S. degree in Automation from SEU in 2020.

Email / Google Scholar / Github / LinkedIn / CV / Tree


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Recent Works

(* indicates equal contribution)
HiAR

HiAR: Efficient Autoregressive Long Video Generation via Hierarchical Denoising
Kai Zou, Dian Zheng, Hongbo Liu, Tiankai Hang, Bin Liu, Nenghai Yu
ECCV, 2026

Meta-CoT

Meta-CoT: Enhancing Granularity and Generalization in Image Editing
Shiyi Zhang*, Yiji Cheng*, Tiankai Hang*, Zijin Yin, Runze He, Yu Xu, Wenxun Dai, Yunlong Lin, Chunyu Wang, Qinglin Lu, Yansong Tang
CVPR, 2026

Re-Align

Re-Align: Structured Reasoning-guided Alignment for In-Context Image Generation and Editing
Runze He, Yiji Cheng, Tiankai Hang, Zhimin Li, Yu Xu, Zijin Yin, Shiyi Zhang, Wenxun Dai, Penghui Du, Ao Ma, Chunyu Wang, Qinglin Lu, Jizhong Han, Jiao Dai
CVPR, 2026

PromptEnhancer

PromptEnhancer: Taming Your Rewriter for Text-to-Image Generation via Fine-Grained Reward
Linqing Wang, Zhiyong Xu, Ximing Xing, Yiji Cheng, Zhiyuan Zhao, Donghao Li, Tiankai Hang, Zhenxi Li, Jiale Tao, Qixun Wang, Ruihuang Li, Comi Chen, Xin Li, Mingrui Wu, Xinchi Deng, et al.
CVPR, 2026

TAG-MoE

TAG-MoE: Task-Aware Gating for Unified Generative Mixture-of-Experts
Yu Xu, Hongbin Yan, Juan Cao, Yiji Cheng, Tiankai Hang, Runze He, Zijin Yin, Shiyi Zhang, Yuxin Zhang, Jintao Li, Chunyu Wang, Qinglin Lu, Tong-Yee Lee, Fan Tang
CVPR, 2026

GVCoT

Generative Visual Chain-of-Thought for Image Editing
Zijin Yin, Tiankai Hang, Yiji Cheng, Shiyi Zhang, Runze He, Yu Xu, Chunyu Wang, Bing Li, Zheng Chang, Kongming Liang, Qinglin Lu, Zhanyu Ma
CVPR Findings, 2026

game

Improved Noise Schedule for Diffusion Training
Tiankai Hang, Shuyang Gu, Jianmin Bao, Fangyun Wei, Dong Chen, Xin Geng, Baining Guo
ICCV, 2025

game

Step-aware Preference Optimization: Aligning Preference with Denoising Performance at Each Step
Zhanhao Liang, Yuhui Yuan, Shuyang Gu, Bohan Chen, Tiankai Hang, Ji Li, Liang Zheng
CVPR, 2025

game

Simplified Diffusion Schrödinger Bridge
Zhicong Tang*, Tiankai Hang*, Shuyang Gu, Dong Chen, Baining Guo
ECAI, 2025

arXiv / Code / bib
game

CCA: Collaborative Competitive Agents for Image Editing
Tiankai Hang, Shuyang Gu, Dong Chen, Xin Geng, Baining Guo
FCS, 2025

arXiv / Code / bib
game

InstructDiffusion: A Generalist Modeling Interface for Vision Tasks
Zigang Geng*, Binxin Yang*, Tiankai Hang*, Chen Li*, Shuyang Gu, Ting Zhang, Jianmin Bao, Zheng Zhang, Han Hu, Dong Chen, Baining Guo
CVPR, 2024

game

Efficient Diffusion Training via Min-SNR Weighting Strategy
Tiankai Hang, Shuyang Gu, Chen Li, Jianmin Bao, Dong Chen, Han Hu, Xin Geng, Baining Guo
ICCV, 2023

arXiv / PDF / Code / bib
game

Language-Guided Face Animation by Recurrent StyleGAN-based Generator
Tiankai Hang, Huan Yang, Bei Liu, Jianlong Fu, Xin Geng, Baining Guo
TMM, 2023

arXiv / PDF / Code / bib
game

Advancing High-Resolution Video-Language Representation with Large-Scale Video Transcriptions
Hongwei Xue*, Tiankai Hang*, Yanhong Zeng*, Yuchong Sun*, Bei Liu, Huan Yang, Jianlong Fu, Baining Guo
CVPR, 2022

arXiv / PDF / Code / bib

Projects

HunyuanImage 3.0

HunyuanImage 3.0
Contributor
A native multimodal model with an open-source image generation module, ranked #1 overall and #1 open-source Text-to-Image model on Arena shortly after release.

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