Jiaqi Xu

Publications

(*equal contribution)

• CVPR
  2026
  HP-Edit: A Human-Preference Post-Training Framework for Image Editing

  Fan Li, Chonghuinan Wang, Lina Lei, Yuping Qiu, Jiaqi Xu, Jiaxiu Jiang, Xinran Qin, Zhikai Chen, Fenglong Song, Zhixin Wang, Renjing Pei, Wangmeng Zuo

  Conference on Computer Vision and Pattern Recognition (CVPR), 2026.
• CVPR
  2026
  ColorFLUX: A Structure-Color Decoupling Framework for Old Photo Colorization

  Bingchen Li, Zhixin Wang, Fan Li, Jiaqi Xu, Jiaming Guo, Renjing Pei, Xin Li, Zhibo Chen

  Conference on Computer Vision and Pattern Recognition (CVPR), 2026.
• AAAI
  2026
  Test-Time Preference Optimization for Image Restoration

  Bingchen Li, Xin Li, Jiaqi Xu, Jiaming Guo, Wenbo Li, Renjing Pei, Zhibo Chen

  Conference on Artificial Intelligence (AAAI), 2026.

  arXiv
• NeurIPS
  2025
  Real-World Adverse Weather Image Restoration via Dual-Level Reinforcement Learning with High-Quality Cold Start

  Fuyang Liu, Jiaqi Xu, Xiaowei Hu

  Conference on Neural Information Processing Systems (NeurIPS), 2025.

  arXiv
• NeurIPS
  2025
  PocketSR: The Super-Resolution Expert in Your Pocket Mobiles

  Haoze Sun, Linfeng Jiang, Fan Li, Renjing Pei, Zhixin Wang, Yong Guo, Jiaqi Xu, Haoyu Chen, Jin Han, Fenglong Song, Yujiu Yang, Wenbo Li

  Conference on Neural Information Processing Systems (NeurIPS), 2025.

  arXiv
• ICCV
  2025
  Fast Image Super-Resolution via Consistency Rectified Flow

  Jiaqi Xu, Wenbo Li, Haoze Sun, Fan Li, Zhixin Wang, Long Peng, Jingjing Ren, Haoran Yang, Xiaowei Hu, Renjing Pei, Pheng-Ann Heng

  International Conference on Computer Vision (ICCV), 2025.
• ICCV
  2025
  Turbo2K: Towards Ultra-Efficient and High-Quality 2K Video Synthesis

  Jingjing Ren, Wenbo Li, Zhongdao Wang, Haoze Sun, Bangzhen Liu, Haoyu Chen, Jiaqi Xu, Aoxue Li, Shifeng Zhang, Bin Shao, Yong Guo, Lei Zhu

  International Conference on Computer Vision (ICCV), 2025.

  arXiv project
• TCSVT
  2025
  Unifying Physically-Informed Weather Priors in A Single Model for Image Restoration Across Multiple Adverse Weather Conditions

  Jiaqi Xu, Xiaowei Hu, Lei Zhu, Pheng-Ann Heng

  IEEE Transactions on Circuits and Systems for Video Technology (TCSVT), accepted in 2025.

  paper
• CVPR
  2025
  EchoTraffic: Enhancing Traffic Anomaly Understanding with Audio-Visual Insights

  Zhenghao Xing, Hao Chen, Binzhu Xie, Jiaqi Xu, Ziyu Guo, Xuemiao Xu, Jianye Hao, Chi-Wing Fu, Xiaowei Hu, Pheng-Ann Heng

  Conference on Computer Vision and Pattern Recognition (CVPR), 2025.

  paper code
• CVPR
  2025
  Dual Prompting Image Restoration with Diffusion Transformers

  Dehong Kong, Fan Li, Zhixin Wang, Jiaqi Xu, Renjing Pei, Wenbo Li, Wenqi Ren

  Conference on Computer Vision and Pattern Recognition (CVPR), 2025.

  arXiv paper code
• ICLR
  2025
  Towards Realistic Data Generation for Real-World Super-Resolution

  Long Peng, Wenbo Li, Renjing Pei, Jingjing Ren, Jiaqi Xu, Yang Wang, Yang Cao, Zheng-Jun Zha

  International Conference on Learning Representations (ICLR), 2025.

  arXiv
• ECCV
  2024
  Towards Real-World Adverse Weather Image Restoration: Enhancing Clearness and Semantics with Vision-Language Models

  Jiaqi Xu, Mengyang Wu, Xiaowei Hu, Chi-Wing Fu, Qi Dou, Pheng-Ann Heng

  European Conference on Computer Vision (ECCV), 2024.

  arXiv
• NAACL
  2024
  Unveiling the Generalization Power of Fine-Tuned Large Language Models

  Haoran Yang, Yumeng Zhang, Jiaqi Xu, Hongyuan Lu, Pheng-Ann Heng, Wai Lam

  Conference of the North American Chapter of the Association for Computational Linguistics (NAACL), 2024.

  arXiv paper code
• CSUR
  2025
  A Survey of Reasoning with Foundation Models: Concepts, Methodologies, and Outlook

  Jiankai Sun, Chuanyang Zheng, Enze Xie, Zhengying Liu, Ruihang Chu, Jianing Qiu, Jiaqi Xu, Mingyu Ding, Hongyang Li, Mengzhe Geng, Yue Wu, Wenhai Wang, Junsong Chen, Zhangyue Yin, Xiaozhe Ren, Jie Fu, Junxian He, Wu Yuan, Qi Liu, Xihui Liu, Yu Li, Hao Dong, Yu Cheng, Ming Zhang, Pheng Ann Heng, Jifeng Dai, Ping Luo, Jingdong Wang, Ji-Rong Wen, Xipeng Qiu, Yike Guo, Hui Xiong, Qun Liu, and Zhenguo Li

  ACM Computing Surveys, accepted in 2025.

  arXiv paper github
• CVPR
  2023
  Video Dehazing via a Multi-Range Temporal Alignment Network with Physical Prior

  Jiaqi Xu, Xiaowei Hu, Lei Zhu, Qi Dou, Jifeng Dai, Yu Qiao, Pheng-Ann Heng

  Conference on Computer Vision and Pattern Recognition (CVPR), 2023.

  arXiv paper code dataset
• ECR
  2022
  Deep learning for detecting midline shift on brain CT: a retrospective validation study using multinational data and quantitative measurements

  Jiaqi Xu, Richard Du, Calvin Mak, Jill Abrigo, Efstratios Tsougenis, Joyce Chan, Qi Dou, Pheng-Ann Heng

  European Congress of Radiology (ECR), 2022. (Poster)

  link
• ICRA
  2022
  3D Perception based Imitation Learning under Limited Demonstration for Laparoscope Control in Robotic Surgery

  Bin Li, Ruofeng Wei, Jiaqi Xu, Bo Lu, Chi Hang Yee, Chi Fai Ng, Pheng-Ann Heng, Qi Dou, Yun-Hui Liu

  International Conference on Robotics and Automation (ICRA), 2022.

  arXiv paper
• IROS
  2021
  SurRoL: An Open-source Reinforcement Learning Centered and dVRK Compatible Platform for Surgical Robot Learning

  Jiaqi Xu*, Bin Li*, Bo Lu, Yun-Hui Liu, Qi Dou, Pheng-Ann Heng

  International Conference on Intelligent Robots and Systems (IROS), 2021.

  arXiv paper code project
• TMI
  2020
  Deep Mining External Imperfect Data for Chest X-ray Disease Screening

  Luyang Luo, Lequan Yu, Hao Chen, Quande Liu, Xi Wang, Jiaqi Xu, Pheng-Ann Heng

  IEEE Transactions on Medical Imaging (TMI), 2020.

  arXiv paper
• MICCAI
  2019
  IRNet: Instance Relation Network for Overlapping Cervical Cell Segmentation

  Yanning Zhou, Hao Chen, Jiaqi Xu, Qi Dou, Pheng-Ann Heng

  International Conference on Medical Image Computing and Computer Assisted Intervention (MICCAI), 2019.

  arXiv paper

Experience

Honors & Awards

• CVPR DEI Travel Award, 2023
• Dean's List, Faculty of Engineering, CUHK, 2019
• Information Engineering Scholarship, CUHK, 2018–2019
• Outstanding Graduate, Beihang University, 2018
• Academic Scholarship, Beihang University, 2016–2017
• National Scholarship in China, 2016
• First Prize in National Olympiad of Informatics, Shandong Province, 2013

Teaching

I served as teaching assistant for the following courses.

• FTEC5510 Advanced Financial Infrastructure, Spring & Fall 2023.
• CSCI3260 Principles of Computer Graphics, Fall 2019, 2020, 2021, 2022.
• CSCI1520 Computer Principles and C++ Programming, Spring 2020.

Professional Activities

Miscellaneous

I like running, hiking.