Jiazi Bu

PhD student, Shanghai Artificial Intelligence Laboratory

Joined

October 2023

Names

Jiazi Bu (Preferred)

Emails

****@sjtu.edu.cn (Confirmed)

****@gmail.com (Confirmed)

Personal Links

Homepage

Google Scholar

Career & Education History

PhD student

Shanghai Artificial Intelligence Laboratory (pjlab.org.cn)

2025 – 2030

Undergrad student

Shanghai Jiao Tong University (sjtu.edu.cn)

2021 – 2025

Advisors, Relations & Conflicts

PhD Advisor

Dahua Lin

2025 – 2030

Expertise

computer vision

image translation

Present

computer vision

generative models

Present

Publications

$\text{G}^2$RPO: Granular GRPO for Precise Reward in Flow Models
Yujie Zhou, Pengyang Ling, Jiazi Bu, Yibin Wang, Yuhang Zang, Jiaqi Wang, Li Niu, Guangtao Zhai
- ICLR 2026 Conference Withdrawn Submission
- Readers: Everyone
Pref-GRPO: Pairwise Preference Reward-based GRPO for Stable Text-to-Image Reinforcement Learning
Yibin Wang, Zhimin Li, Yuhang Zang, Yujie Zhou, Jiazi Bu, Chunyu Wang, Qinglin Lu, Cheng Jin, Jiaqi Wang
- Submitted to ICLR 2026
- Readers: Everyone
DiCache: Let Diffusion Model Determine Its Own Cache
Jiazi Bu, Pengyang Ling, Yujie Zhou, Yibin Wang, Yuhang Zang, Dahua Lin, Jiaqi Wang
- ICLR 2026 Poster
- Readers: Everyone
HiFlow: Training-free High-Resolution Image Generation with Flow-Aligned Guidance
Jiazi Bu, Pengyang Ling, Yujie Zhou, Pan Zhang, Tong Wu, Xiaoyi Dong, Yuhang Zang, Yuhang Cao, Dahua Lin, Jiaqi Wang
- NeurIPS 2025 poster
- Readers: Everyone
BroadWay: Boost Your Text-to-Video Generation Model in a Training-free Way
Jiazi Bu, Pengyang Ling, Pan Zhang, Tong Wu, Xiaoyi Dong, Yuhang Zang, Yuhang Cao, Dahua Lin, Jiaqi Wang
- ICLR 2025 Conference Withdrawn Submission
- Readers: Everyone
MotionClone: Training-Free Motion Cloning for Controllable Video Generation
Pengyang Ling, Jiazi Bu, Pan Zhang, Xiaoyi Dong, Yuhang Zang, Tong Wu, Huaian Chen, Jiaqi Wang, Yi Jin
- ICLR 2025 Poster
- Readers: Everyone
Unveiling The Matthew Effect Across Channels: Assessing Layer Width Sufficiency via Weight Norm Variance
Yiting Chen, Jiazi Bu, Junchi Yan
- NeurIPS 2024 poster
- Readers: Everyone

Jiazi Bu

Names

Emails

Personal Links

Career & Education History

Advisors, Relations & Conflicts

Expertise

Publications

$\text{G}^2$RPO: Granular GRPO for Precise Reward in Flow Models

Pref-GRPO: Pairwise Preference Reward-based GRPO for Stable Text-to-Image Reinforcement Learning

DiCache: Let Diffusion Model Determine Its Own Cache

HiFlow: Training-free High-Resolution Image Generation with Flow-Aligned Guidance

BroadWay: Boost Your Text-to-Video Generation Model in a Training-free Way

MotionClone: Training-Free Motion Cloning for Controllable Video Generation

Unveiling The Matthew Effect Across Channels: Assessing Layer Width Sufficiency via Weight Norm Variance

Co-Authors