Publications

† Equal Contribution, * Corresponding Author(s).

2026

  1. WAIC
    Gate Entropy Reveals Quantization Fragility: Zero-Cost Mixed-Precision Allocation for Attention-Residual LLMs
    Kai Liu, Yulun Zhang*, and Linghe Kong*
    In WAIC Academic, 2026
  2. 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, Jiatong Li, Xianglong Yan, Libo Zhu, Jianze Li, Ziqing Zhang, Zihan Zhou, Xiaoyang Liu, Radu Timofte, Yulun Zhang, and  others
    In Computer Vision and Pattern Recognition Workshops, 2026
    PDF
  3. CVPRW
    The Fourth Challenge on Image Super-Resolution (\times4) 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, Radu Timofte, Yulun Zhang, and  others
    In Computer Vision and Pattern Recognition Workshops, 2026
    PDF
  4. 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, Jue Gong, Radu Timofte, Yulun Zhang, and  others
    In Computer Vision and Pattern Recognition Workshops, 2026
    PDF
  5. 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, Yulun Zhang, Radu Timofte, and  others
    In Computer Vision and Pattern Recognition Workshops, 2026
    PDF
  6. 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
  7. 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

2025

  1. arXiv
    CLQ: Cross-Layer Guided Orthogonal-based Quantization for Diffusion Transformers
    Kai Liu†, Shaoqiu Zhang†, Linghe Kong, and Yulun Zhang
    arXiv preprint arXiv:2509.24416, 2025
    Code
  2. CVPRW
    NTIRE 2025 Challenge on Image Super-Resolution (\times4): 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
  3. 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
  4. 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
  5. ICLR
    DVD-Quant: Data-free Video Diffusion Transformers Quantization
    Zhiteng Li, Hanxuan Li, Junyi Wu, Kai Liu, Linghe Kong, Guihai Chen, Yulun Zhang, and Xiaokang Yang
    In International Conference on Learning Representations, 2025
    PDF Code
  6. arXiv
    Low-bit model quantization for deep neural networks: A survey
    Kai Liu†, Qian Zheng†, Kaiwen Tao†, Zhiteng Li, Haotong Qin, Wenbo Li, Yong Guo, Xianglong Liu, Linghe Kong*, Guihai Chen, Yulun Zhang*, and Xiaokang Yang
    arXiv preprint arXiv:2505.05530, 2025
    Code
  7. 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

2024

  1. arXiv
    Dog-IQA: Standard-guided Zero-shot MLLM for Mix-grained Image Quality Assessment
    Kai Liu†, Ziqing Zhang†, Wenbo Li, Renjing Pei, Fenglong Song, Xiaohong Liu, Linghe Kong*, and Yulun Zhang*
    arXiv, 2024
    PDF Code
  2. NeurIPS
    2DQuant: Low-bit Post-Training Quantization for Image Super-Resolution
    Kai Liu, Haotong Qin, Yong Guo, Xin Yuan, Linghe Kong*, Guihai Chen, and Yulun Zhang*
    In Advances in Neural Information Processing Systems, 2024
    PDF Code

2023

  1. IEEE TMI
    Artifact Detection and Restoration in Histology Images With Stain-Style and Structural Preservation
    Jing Ke*, Kai Liu, Yuxiang Sun, Yuying Xue, Jiaxuan Huang, Yizhou Lu, Jun Dai, Yaobing Chen*, Xiaodan Han*, Yiqing Shen, and Dinggang Shen*
    In IEEE TMI, 2023
    PDF Code
  2. GLOBECOM
    Relayer-Enabled Sharding Blockchain for Satellite Internet with High Concurrency
    Hong Tang, Junqin Huang, Kai Liu, Linghe Kong, Guihai Chen, Shuangxi Cao, Chuyan Niu, and Yufeng Wei
    In GLOBECOM, 2023
    PDF
  3. CGI
    Large GAN Is All You Need
    Kai Liu*, Qingyang Wu, and Mengkun Xie
    In CGI, 2023
    PDF Code
  4. BIBMW
    HistDeblur: A Pyramid Trustworthy Framework for Blurry Histologic Artifacts Quality Control
    Yuxiang Sun†, Kai Liu†, Yiqing Shen, Xiaodan Han, and Jing Ke*
    In IEEE BIBM Workshop, 2023
    PDF Code