Publications

^† Equal Contribution, ^* Corresponding Author(s)

2026

1. arXiv

   BC-IHV: Conditioning the Color Space for Stable Rectified-Flow Low-Light Enhancement

   Yi Ai, Zheng Chen, Yuanhao Cai, Yulun Zhang^*, and Xiaokang Yang

   arXiv preprint arXiv:2608.21847, 2026

   PDF
2. arXiv

   DiffST: Spatiotemporal-Aware Diffusion for Real-World Space-Time Video Super-Resolution

   Zheng Chen^†, Ruofan Yang^†, Jin Han, Dehua Song, Zichen Zou, Chunming He, Yong Guo, and Yulun Zhang^*

   arXiv preprint arXiv:2605.13182, 2026

   PDF Code Proj
3. arXiv

   DVFace: Spatio-Temporal Dual-Prior Diffusion for Video Face Restoration

   Zheng Chen^†, Bowen Chai^†, Rongjun Gao, Mingtao Nie, Xi Li, Yucong Chen, Bingnan Duan, Jianping Fang, Xiaohong Liu, Linghe Kong, and 1 more author

   arXiv preprint arXiv:2604.14560, 2026

   PDF Code Proj
4. arXiv

   Efficient Video Diffusion with Sparse Information Transmission for Video Compression

   Mingde Zhou, Zheng Chen, and Yulun Zhang^*

   arXiv preprint arXiv:2603.18501, 2026

   PDF Code Proj
5. arXiv

   BinaryDemoire: Moiré-Aware Binarization for Image Demoiréing

   Zheng Chen^†, Zhi Yang^†, Xiaoyang Liu, Weihang Zhang, Mengfan Wang, Yifan Fu, Linghe Kong, and Yulun Zhang^*

   arXiv preprint arXiv:2602.03176, 2026

   PDF Code Proj
6. NeurIPS

   QuantDemoire: Quantization with Outlier Aware for Image Demoiréing

   Zheng Chen^†, Kewei Zhang^†, Xiaoyang Liu, Kai Liu, Weihang Zhang, Mengfan Wang, Yifan Fu, and Yulun Zhang^*

   In Advances in Neural Information Processing Systems, 2026

   PDF Code Proj
7. NeurIPS

   SPHQuant: Efficient extreme low bit weight quantization for Vision-Language Models

   Kewei Zhang, Zheng Chen, Haotong Qin, and Yulun Zhang

   In Advances in Neural Information Processing Systems, 2026

   PDF
8. NeurIPS

   PRISM: Prior Rectification and Uncertainty-Aware Structure Modeling for Diffusion-Based Text Image Super-Resolution

   Zihang Xu^†, Xiaoyang Liu^†, Zheng Chen, Yulun Zhang^*, and Xiaokang Yang

   In Advances in Neural Information Processing Systems, 2026

   PDF Code
9. ACM MM

   HonestFace: Towards Honest Face Restoration with One-Step Diffusion Model

   Jingkai Wang, Wu Miao, Jue Gong, Zheng Chen, Xing Liu, Hong Gu, Yutong Liu^*, and Yulun Zhang^*

   In ACM MM, 2026

   PDF Code
10. ECCV

    Freqformer: Image-Demoiréing Transformer via Efficient Frequency Decomposition

    Xiaoyang Liu^†, Bolin Qiu^†, Jiezhang Cao, Zheng Chen, Yulun Zhang^*, and Xiaokang Yang

    In European Conference on Computer Vision, 2026

    PDF Code
11. ICML

    LSGQuant: Layer-Sensitivity Guided Quantization for One-Step Diffusion Real-World Video Super-Resolution

    Tianxing Wu^†, Zheng Chen^†, Cirou Xu, Bowen Chai, Yong Guo, Yutong Liu, Linghe Kong, and Yulun Zhang^*

    In International Conference on Machine Learning, 2026

    PDF Code Proj
12. ICML

    VEQ: Modality-Adaptive Quantization for MoE Vision-Language Models

    Guangshuo Qin, Zhiteng Li, Zheng Chen, Weihang Zhang, Linghe Kong, and Yulun Zhang

    In International Conference on Machine Learning, 2026

    PDF Code
13. ICML

    InfVSR: Breaking Length Limits of Generic Video Super-Resolution

    Ziqing Zhang^†, Kai Liu^†, Zheng Chen, Xi Li, Yucong Chen, Bingnan Duan, Linghe Kong^*, and Yulun Zhang^*

    In International Conference on Machine Learning, 2026

    PDF Code
14. ICML

    CondiQuant: Condition Number Based Low-Bit Quantization for Image Super-Resolution

    Kai Liu^†, Dehui Wang^†, Zhiteng Li, Zheng Chen, Yong Guo, Wenbo Li, Linghe Kong^*, and Yulun Zhang^*

    In International Conference on Machine Learning, 2026

    PDF Code
15. CVPRW

    The Fourth Challenge on Image Super-Resolution (×4) at NTIRE 2026: Benchmark Results and Method Overview

    Zheng Chen, Kai Liu, Jingkai Wang, Xianglong Yan, Jianze Li, Ziqing Zhang, Jue Gong, Jiatong Li, Lei Sun, Xiaoyang Liu, and 3 more authors

    In Computer Vision and Pattern Recognition Workshops, 2026

    PDF Code Proj
16. CVPRW

    The Second Challenge on Real-World Face Restoration at NTIRE 2026: Methods and Results

    Jingkai Wang, Jue Gong, Zheng Chen, Kai Liu, Jiatong Li, Radu Timofte, Yulun Zhang^*, and  others

    In Computer Vision and Pattern Recognition Workshops, 2026

    PDF Code Proj
17. CVPRW

    The First Challenge on Mobile Real-World Image Super-Resolution at NTIRE 2026: Benchmark Results and Method Overview

    Jiatong Li, Zheng Chen, Kai Liu, Jingkai Wang, Zihan Zhou, Xiaoyang Liu, Libo Zhu, Radu Timofte, Yulun Zhang^*, and  others

    In Computer Vision and Pattern Recognition Workshops, 2026

    PDF Code Proj
18. CVPRW

    The First Challenge on Remote Sensing Infrared Image Super-Resolution at NTIRE 2026: Benchmark Results and Method Overview

    Kai Liu, Haoyang Yue, Zeli Lin, Zheng Chen, Jingkai Wang, Jue Gong, Radu Timofte, Yulun Zhang^*, and  others

    In Computer Vision and Pattern Recognition Workshops, 2026

    PDF Code Proj
19. ICLR

    Grounding-IQA: Grounding Multimodal Language Model for Image Quality Assessment

    Zheng Chen, Xun Zhang, Wenbo Li, Renjing Pei, Fenglong Song, Xiongkuo Min, Xiaohong Liu, Xin Yuan, Yong Guo, and Yulun Zhang^*

    In International Conference on Learning Representations, 2026

    PDF Code Proj
20. ICLR

    FideDiff: Efficient Diffusion Model for High-Fidelity Image Motion Deblurring

    Xiaoyang Liu^†, Zhengyan Zhou^†, Zihang Xu, Jiezhang Cao, Zheng Chen, and Yulun Zhang^*

    In International Conference on Learning Representations, 2026

    PDF Code
21. AAAI

    Steering One-Step Diffusion Model with Fidelity-Rich Decoder for Fast Image Compression

    Zheng Chen^†, Mingde Zhou^†, Jinpei Guo, Jiale Yuan, Yifei Ji, and Yulun Zhang^*

    In The AAAI Conference on Artificial Intelligence, 2026

    PDF Code Proj
22. AAAI

    QuantVSR: Low-Bit Post-Training Quantization for Real-World Video Super-Resolution

    Bowen Chai^†, Zheng Chen^†, Libo Zhu, Wenbo Li, Yong Guo, and Yulun Zhang^*

    In The AAAI Conference on Artificial Intelligence, 2026

    PDF Code Proj

2025

1. arXiv

   UnfoldLDM: Deep Unfolding-based Blind Image Restoration with Latent Diffusion Priors

   Chunming He, Rihan Zhang, Zheng Chen, Bowen Yang, Chengyu Fang, Yunlong Lin, Fengyang Xiao, and Sina Farsiu

   arXiv preprint arXiv:2511.18152, 2025

   PDF
2. arXiv

   Towards Redundancy Reduction in Diffusion Models for Efficient Video Super-Resolution

   Jinpei Guo, Yifei Ji, Zheng Chen, Yufei Wang, Sizhuo Ma, Yong Guo, Yulun Zhang^*, and Jian Wang

   arXiv preprint arXiv:2509.23980, 2025

   PDF Code Proj
3. arXiv

   One-Step Diffusion Model for Image Motion-Deblurring

   Xiaoyang Liu, Yuquan Wang, Zheng Chen, Jiezhang Cao, He Zhang, Yulun Zhang^*, and Xiaokang Yang

   arXiv preprint arXiv:2503.06537, 2025

   PDF Code
4. NeurIPS

   DOVE: Efficient One-Step Diffusion Model for Real-World Video Super-Resolution

   Zheng Chen^†, Zichen Zou^†, Kewei Zhang, Xiongfei Su, Xin Yuan, Yong Guo, and Yulun Zhang^*

   In Advances in Neural Information Processing Systems, 2025

   PDF Code Proj
5. NeurIPS

   HAODiff: Human-Aware One-Step Diffusion via Dual-Prompt Guidance

   Jue Gong^†, Tingyu Yang^†, Jingkai Wang, Zheng Chen, Xing Liu, Hong Gu, Yulun Zhang^*, and Xiaokang Yang

   In Advances in Neural Information Processing Systems, 2025

   PDF Code
6. NeurIPS

   OSCAR: One-Step Diffusion Codec Across Multiple Bit-rates

   Jinpei Guo, Yifei Ji, Zheng Chen, Kai Liu, Min Liu, Wang Rao, Wenbo Li, Yong Guo, and Yulun Zhang^*

   In Advances in Neural Information Processing Systems, 2025

   PDF Code
7. ICCV

   Compression-Aware One-Step Diffusion Model for JPEG Artifact Removal

   Jinpei Guo, Zheng Chen, Wenbo Li, Yong Guo, and Yulun Zhang^*

   In International Conference on Computer Vision, 2025

   PDF Code
8. ICML

   Human Body Restoration with One-Step Diffusion Model and A New Benchmark

   Jue Gong^†, Jingkai Wang^†, Zheng Chen, Xing Liu, Hong Gu, Yulun Zhang^*, and Xiaokang Yang

   In International Conference on Machine Learning, 2025

   PDF Code
9. ICML

   BiMaCoSR: Binary One-Step Diffusion Model Leveraging Flexible Matrix Compression for Real Super-Resolution

   Kai Liu^†, Kaicheng Yang^†, Zheng Chen, Zhiteng Li, Yong Guo, Wenbo Li, Linghe Kong^*, and Yulun Zhang^*

   In International Conference on Machine Learning, 2025

   PDF Code
10. CVPR

    OSDFace: One-Step Diffusion Model for Face Restoration

    Jingkai Wang^†, Jue Gong^†, Lin Zhang, Zheng Chen, Xing Liu, Hong Gu, Yutong Liu^*, Yulun Zhang^*, and Xiaokang Yang

    In Computer Vision and Pattern Recognition, 2025

    PDF Code Proj
11. CVPRW

    NTIRE 2025 Challenge on Image Super-Resolution (×4): Methods and Results

    Zheng Chen, Kai Liu, Jue Gong, Jingkai Wang, Lei Sun, Zongwei Wu, Radu Timofte, Yulun Zhang^*, and  others

    In Computer Vision and Pattern Recognition Workshops, 2025

    PDF Code Proj
12. CVPRW

    NTIRE 2025 Challenge on Real-World Face Restoration: Methods and Results

    Zheng Chen, Jingkai Wang, Kai Liu, Jue Gong, Lei Sun, Zongwei Wu, Radu Timofte, Yulun Zhang^*, and  others

    In Computer Vision and Pattern Recognition Workshops, 2025

    PDF Code Proj
13. AAAI

    Prior-guided Hierarchical Harmonization Network for Efficient Image Dehazing

    Xiongfei Su, Siyuan Li, Yuning Cui, Miao Cao, Yulun Zhang, Zheng Chen, Zongliang Wu, Zedong Wang, Yuanlong Zhang, and Xin Yuan

    In The AAAI Conference on Artificial Intelligence, 2025

    PDF
14. AAAI

    Dual-branch Graph Feature Learning for NLOS Imaging

    Xiongfei Su, Tianyi Zhu, Lina Liu, Zheng Chen, Yulun Zhang, Siyuan Li, Juntian Ye, Feihu Xu, and Xin Yuan

    In The AAAI Conference on Artificial Intelligence, 2025

    PDF

2024

1. NeurIPS

   Binarized Diffusion Model for Image Super-Resolution

   Zheng Chen, Haotong Qin*, Yong Guo, Xiongfei Su, Xin Yuan, Linghe Kong, and Yulun Zhang^*

   In Advances in Neural Information Processing Systems, 2024

   PDF Code Proj
2. CVPRW

   NTIRE 2024 Challenge on Image Super-Resolution (×4): Methods and Results

   Zheng Chen, Zongwei Wu, Eduard Sebastian Zamfir, Kai Zhang, Yulun Zhang^*, Radu Timofte, Xiaokang Yang, and  others

   In Computer Vision and Pattern Recognition Workshops, 2024

   PDF Code
3. ICLR

   Recursive Generalization Transformer for Image Super-Resolution

   Zheng Chen, Yulun Zhang^*, Jinjin Gu, Linghe Kong^*, and Xiaokang Yang

   In International Conference on Learning Representations, 2024

   PDF Code

2023

1. arXiv

   Image Super-Resolution with Text Prompt Diffusion

   Zheng Chen, Yulun Zhang^*, Jinjin Gu, Xin Yuan, Linghe Kong^*, Guihai Chen, and Xiaokang Yang

   arXiv preprint arXiv:2311.14282, 2023

   PDF Code
2. NeurIPS Spotlight

   Hierarchical Integration Diffusion Model for Realistic Image Deblurring

   Zheng Chen, Yulun Zhang^*, Ding Liu, Bin Xia, Jinjin Gu, Linghe Kong^*, and Xin Yuan

   In Advances in Neural Information Processing Systems, 2023

   PDF Code
3. ICCV

   Dual Aggregation Transformer for Image Super-Resolution

   Zheng Chen, Yulun Zhang^*, Jinjin Gu, Linghe Kong^*, Xiaokang Yang, and Fisher Yu

   In International Conference on Computer Vision, 2023

   PDF Code
4. CVPRW

   NTIRE 2023 challenge on image super-resolution (×4): Methods and results

   Yulun Zhang, Kai Zhang^*, Zheng Chen, Yawei Li, Radu Timofte, and  others

   In Computer Vision and Pattern Recognition Workshops, 2023

   PDF Code

2022

1. NeurIPS Spotlight

   Cross Aggregation Transformer for Image Restoration

   Zheng Chen, Yulun Zhang, Jinjin Gu, Yongbing Zhang, Linghe Kong^*, and Xin Yuan

   In Advances in Neural Information Processing Systems, 2022

   PDF Code