Chongyi Li



📍 ABN-02b-11, NTU, SG
📧lichongyi25 at gmail.com
📧chongyi.li at ntu.edu.sg

[GitHub] [DBLP]
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Welcome to Chongyi Li (李重仪)'s Homepage


2021/10 - , I am a Research Assistant Professor with the School of Computer Science and Engineering, Nanyang Technological University (NTU), Singapore.

2020/01 - 2021/10, I was a research fellow at the MMLab@NTU and worked with Dr. Chen Change Loy, School of Computer Science and Engineering, Nanyang Technological University (NTU), Singapore.

2018/10 - 2020/01, I was a postdoctoral fellow and worked with Chair Prof. Sam Kwong (IEEE Fellow), Department of Computer Science, City University of Hong Kong (CityU), Kowloon, Hong Kong.

2016/12 - 2017/12, I was a joint Ph.D. student at Research School of Engineering, Australian National University (ANU), Canberra, Australia, under the supervision of Prof. Fatih Porikli (IEEE Fellow).

2014/09 - 2018/07, I was a Ph.D. student at School of Electrical and Information Engineering, Tianjin University (TJU), Tianjin, China, under the supervision of Prof. Jichang Guo.


Hiring:


We are looking for Research Fellow, Research Assistant, and Project Officer who want to conduct research and develop advanced deep learning algorithms for image and video enhancement and restoration, computational imaging, and image signal processor. [Join Us]





Recent News:

  • 2023/01 --Excited to announce one paper has been accepted by ICLR 2023 as Oral, notable-top-5%!
  • 2023/01 --Excited to announce one paper has been accepted by AAAI 2023 as Oral!
  • 2023/01 --I am nominated with honor to serve as an Associate Editor of IEEE Transactions on Circuits and Systems for Video Technology (IF: 5.859).


Selected Publications:


Embedding Fourier for Ultra-High-Definition Low-Light Image Enhancement
ICLR, 2023 [Oral]
Chongyi Li, Chunle Guo, Man Zhou, Zhexin Liang, Shangchen Zhou, Ruicheng Feng, and Chen Change Loy.
PDF| Project Page| Code







CuDi: Curve Distillation for Efficient and Controllable Exposure Adjustment
2022
Chongyi Li, Chunle Guo, Ruicheng Feng, Shangchen Zhou, and Chen Change Loy.
PDF| Project Page| Code







BeautyREC: Robust, Efficient, and Content-preserving Makeup Transfer
2022
Qixin Yan, Chunle Guo, Jixin Zhao, Yuekun Dai, Chen Change Loy, and Chongyi Li+.
PDF| Project Page| Code





Underwater Ranker: Learn Which Is Better and How to Be Better
AAAI, 2023 [Oral]
Chunle Guo, Ruiqi Wu, Xin Jin, Linghao Han, Zhi Chai, Weidong Zhang, and Chongyi Li+.
PDF| Project Page| Code





Deep Fourier Up-Sampling
NeurIPS, 2022 [Spotlight]
Man Zhou, Hu Yu, Jie Huang, Feng Zhao, Jinwei Gu, Chen Change Loy, Deyu Meng, and Chongyi Li+.
PDF| Project Page| Code



Towards Robust Blind Face Restoration with Codebook Lookup Transformer
NeurIPS, 2022
Shangchen Zhou, Kelvin C. K. Chan, Chongyi Li, and Chen Change Loy.
PDF| Project Page| Code| Video| Colab





Panchromatic and Multispectral Image Fusion via Alternating Reverse Filtering Network
NeurIPS, 2022 [Spotlight]
Keyu Yan, Man Zhou, Jie Huang, Chengjun Xie, Feng Zhao, Chongyi Li, Danfeng Hong.
PDF| Project Page| Code





Flare7K: A Phenomenological Nighttime Flare Removal Dataset
NeurIPS, 2022
Yuekun Dai, Chongyi Li, Shangchen Zhou, Ruicheng Feng, and Chen Change Loy.
PDF| Project Page| Dataset| Video







LEDNet: Joint Low-light Enhancement and Deblurring in the Dark
ECCV, 2022
Shangchen Zhou, Chongyi Li, Chen Change Loy.
PDF| Project Page| Code| Dataset





Image Dehazing Transformer with Transmission-Aware 3D Position Embedding
CVPR, 2022
Chunle Guo, Qixin Yan, Saeed Anwar, Runmin Cong, Wenqi Ren, and Chongyi Li+.
PDF| Project Page| Code





Adaptively Learning Low-high Frequency Information Integration for Pan-sharpening
ACM MM, 2022
Man Zhou, Jie Huang, Chongyi Li+, Hu Yu, Keyu Yan, Naishan Zheng, and Feng Zhao.
PDF| Project Page| Code





Normalization-based Feature Selection and Restitution for Pan-sharpening
ACM MM, 2022
Man Zhou, Jie Huang, Keyu Yan, Gang Yang, Aiping Liu, Chongyi Li, and Feng Zhao.
PDF| Project Page| Code





Underwater Image Enhancement with Hyper-Laplacian Reflectance Priors
TIP, 2022 [TIP Popular Articles]
Peixian Zhuang, Jiamin Wu, Fatih Porikli, and Chongyi Li+.
PDF| Project Page| Code





Underwater Image Enhancement via Minimal Color Loss and Locally Adaptive Contrast Enhancement
TIP, 2022 [TIP Popular Articles]
Weidong Zhang, Peixian Zhuang, Haihan Sun, Guohou Li, Sam Kwong, and Chongyi Li+.
PDF| Project Page| Code





CIR-Net: Cross-modality Interaction and Refinement for RGB-D Salient Object Detection
TIP, 2022
Runmin Cong, Qinwei Lin, Chen Zhang, Chongyi Li+, Xiaochun Cao, Qingming Huang, and Yao Zhao.
PDF| Project Page| Code





Low-Light Image and Video Enhancement Using Deep Learning: A Survey
TPAMI, 2021
Chongyi Li, Chunle Guo, Linghao Han, Jun Jiang, Ming-Ming Cheng, Jinwei Gu, Chen Change Loy.
PDF| Project Page| Collection| Dataset





Removing Diffraction Image Artifacts in Under-Display Camera via Dynamic Skip Connection Network
CVPR, 2021
Ruicheng Feng, Chongyi Li, Huaijin Chen, Shuai Li, Chen Change Loy, Jinwei Gu.
PDF| Project Page| Code













Zero-Reference Deep Curve Estimation for Low-Light Image Enhancement
CVPR, 2020
Chunle Guo, Chongyi Li, Jichang Guo, Chen Change Loy, Junhui Hou, Sam Kwong, Runmin Cong.
PDF| Project Page| Code





RGB-D Salient Object Detection with Cross-Modality Modulation and Selection
ECCV, 2020
Chongyi Li, Runmin Cong, Yongri Piao, Qianqian Xu, Chen Change Loy.
PDF| Project Page| Code









An Underwater Image Enhancement Benchmark Dataset and Beyond
TIP, 2020 [ESI Hot Paper & ESI Highly Cited Paper & TIP Popular Articles]
Chongyi Li, Chunle Guo, Wenqi Ren, Runmin Cong, Junhui Hou, Sam Kwong, Dacheng Tao.
PDF| Project Page| Benchmark| Code









CoADNet: Collaborative Aggregation-and-Distribution Networks for Co-Salient Object Detection
NeurIPS, 2020
Qijian Zhang, Runmin Cong, Junhui Hou, Chongyi Li, and Yao Zhao.
PDF| Project Page| Code





Dense attention fluid network for salient object detection in optical remote sensing images
TIP, 2020 [ESI Hot Paper & ESI Highly Cited Paper]
Qijian Zhang, Runmin Cong, Chongyi Li, Ming-Ming Cheng, Yuming Fang, Xiaochun Cao, Yao Zhao, and Sam Kwong.
PDF| Project Page| Benchmark| Code





Hierarchical Features Driven Residual Learning for Depth Map Super-Resolution
TIP, 2019
Chunle Guo, Chongyi Li+, Jichang Guo, Runmin Cong, Huazhu Fu, Ping Han.
PDF| Project Page| Code









Events:

Mobile Intelligent Photography & Imaging
2nd MIPI workshop @ CVPR 2023
Chongyi Li, Shangchen Zhou, Ruicheng Feng, Yuekun Dai, Qingpeng Zhu, Qianhui Sun, Wenxiu Sun, Chen Change Loy, and Jinwei Gu.
Website





Try Your Face (face restoration platform) We provide our code of CodeFormer (Towards Robust Blind Face Restoration with Codebook Lookup TransFormer) on Colab. Please feel free to try your face.
Colab






Low-Light Image Enhancement Online Platform Different algorithms demand various configurations, GPU versions, and hardware specifications that are prohibitive to beginners who are new to this area and may not even have GPU resources. We contribute an online plateform.
Website






Mobile Intelligent Photography & Imaging
1st MIPI workshop @ ECCV 2022
Chongyi Li, Shangchen Zhou, Ruicheng Feng, Jun Jiang, Wenxiu Sun, Qingyu Yang, Qingpeng Zhu, Chen Change Loy, and Jinwei Gu.
Website





  • [Workshop] ECCV 2022 Workshop on Mobile Intelligent Photography and Imaging (MIPI)
  • [Special Session] IEEE MMSP 2022 Special Session on Underwater Multimedia Processing
  • [Special Issue] Frontiers in Signal Processing Special Issue on Multimodal Intelligence
  • [Special Issue] IEEE Journal of Oceanic Engineering Special Issue on Advanced Machine Learning Methodologies for Underwater Image and Video Processing and Analysis (2021-2022)
  • [Special Issue] Multimedia Tools and Applications Special Issue on Depth-Related Processing and Applications in Visual Systems (2020-2021)
  • [Special Issue] Signal Processing : Image Communication Special Issue on Visual Information Processing for Underwater Images and Videos: Theories, Algorithms, and Applications (2019-2020)
  • [Special Session] APSIPA ASC 2019 Special Session on Multi-source Data Processing and Analysis: Models, Methods and Applications (2019-2020)


Honors & Awards:

  • Pattern Recognition (Elsevier Journal) (Best Paper Honourable Mention)
  • Our team Feedforward won the second runner-up (3/317) in MegCup Efficient Model for Blind Denoising. Congrats to Xin Jin, Ruiqi Wu, and Zhen Li. The code is publicly available here.
  • World’s Top 2% Scientists (2022). It is compiled by Stanford University based on the standardized citation indicators (Table_1_Authors_singleyr_2021_pubs_since_1788_wopp_extracted_202209), which is avaiable online at Mendeley Database.
  • World’s Top 2% Scientists (2021). It is compiled by Stanford University based on the standardized citation indicators (Table_1_Authors_singleyr_2020_wopp_extracted_202108), which is avaiable online at Mendeley Database.
  • ECCV (Outstanding Reviewer in 2022). PDF
  • ICCV (Outstanding Reviewer in 2021). PDF
  • CVPR (Outstanding Reviewer in 2021). PDF
  • IEEE Journal of Oceanic Engineering (Outstanding Reviewer in 2021) News
  • Distinguished Dissertation Award of Beijing Society of Image and Graphics, 2018. Media


Professional Service:


    Associate Editor
    2023/01- : IEEE Transactions on Circuits and Systems for Video Technology (IF: 5.859)
    2022/05- : IEEE Journal of Oceanic Engineering (IF: 3.554)
    2022/01- : Neurocomputing (IF: 5.719)
    2021/01- : Springer Journal of Signal, Image and Video Processing (IF: 1.794)

    Guest Editor
    IEEE Journal of Oceanic Engineering (Lead Guest Editor) (IF: 3.554)
    Signal Processing: Image Communication (Management Guest Editor) (IF:2.779)
    Multimedia Tools and Applications (IF: 2.313)
    Frontiers in Signal Processing

    Area Chair
    BMVC 2022

    Co-organizer
    2nd CVPR Workshop on Mobile Intelligent Photography & Imaging (MIPI) 2023
    1st ECCV Workshop on Mobile Intelligent Photography & Imaging (MIPI) 2022
    IEEE Workshop on Multimedia Signal Processing (MMSP) 2022

    Senior Program Committee (Meta-Reviewers)
    AAAI 2022, 2023


Supervision and Teaching:

  • Ph.D.: Haoying Li (Zhejiang University), Visiting Scholar: Old Films Restoration, NTU, 08/2022-present, Co-supervised with Cavan
  • M.E.: Jixin Zhao (Tianjin University), Intern: Video Denoising, NTU, 08/2022-present, Co-supervised with Cavan
  • B.E.: Yihang Luo (Nanyang Technological University), Intern: Nighttime Ghost Removal, NTU, 08/2022-present, Co-supervised with Cavan
  • M.E.: Zhexin Liang (Zhejiang University), AI Major Project: Backlit Image Enhancement, NTU, 01/2022-present, Co-supervised with Cavan
  • M.E.: Yuekun Dai (Peking University), AI Major Project: Nighttime Flare Removal, NTU, 08/2021-present, Co-supervised with Cavan
  • Ph.D.: Jingming He (Shenzhen University), Underwater Object Detection, CityU, Co-supervised with Shiqi and Sam
  • Ph.D.: Fuzhao Ou (Guangzhou University), Face Image Quality Assessment, CityU, Co-supervised with Shiqi and Sam
  • Teaching Assistant, NTU CE6126: MSAI Advanced Computer Vision, NTU, Fall 2020


Alumni:

  • Zurang Liu (Beijing University of Posts and Telecommunications), Project: Deep Image Harmonization, AI Master@NTU, 01/2021-04/2022, Now: Engineer@ByteDance, SG, Co-supervised with Cavan
  • Sihao Chen, Project: Learning to See in the Dark [Final Report--Video (A+)], FYP of Computer Science@NTU, 06/2020-06/2021, Now: Engineer@Shopee, SG. Sihao's project is awarded the 2021 Global Undergraduate Awards for his entry 'Learning to See in the Dark - Low Light Image Enhancement'. [The Global Undergraduate Awards][NTU News]Co-supervised with Cavan
  • Qiming Ai (University of Science and Technology of China), Project: Deep Photo Enhancement, AI Master@NTU, 01/2020-12/2020, Co-supervised with Cavan
  • M.E.: Xingshu Wang (Beijing University of Posts and Telecommunications), Project: Reference-Based Image Super-Resolution, ANU, Co-supervised with Saeed
  • M.E.: Yuheng Shi (Nanjing University of Posts and Telecommunications), Project: Hand Gesture Recognition, ANU, Co-supervised with Saeed


Miscellaneous: