About
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Zhangkai NI is an Associate Professor at the School of Computer Science and Technology, Tongji University, Shanghai, China. He received his Ph.D. (October 2021) in Computer Science from the City University of Hong Kong under the supervision of Prof. Sam Tak Wu KWONG (IEEE Fellow). He was a Postdoctoral Fellow at the Department of Computer Science, City University of Hong Kong, Hong Kong, from October 2021 to December 2021. He was a Research Engineer at the School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, from July 2017 to July 2018, under the supervision of Prof. Kai-Kuang MA (IEEE Life Fellow). His research interests include Computer Vision, Image and Video Processing, Computer Graphics, and Biomedical Image Analysis, with a primary focus on Generative Modeling, Neural Rendering, 3D Reconstruction, Image and Video Restoration, Images and Videos Perceptual Analysis, and Biomedical Image Analysis.
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News
- 2025.07: One paper on self-supervised medical report genration was accepted to ACM MM 2025 as an oral presentation.
- 2025.06: Our AFUNet on deep unfolding-based HDR image reconstruction was accepted to ICCV 2025. code
- 2025.06: Our SMHDR on masked image modeling-based HDR image reconstruction was accepted to IJCV. code
- 2025.06: Our SSIU on unfolding-based lightweight image SR was accepted to IEEE TIP. code
- 2025.05: Our Perceptual-GS on 3D Gaussian Splatting Densification was accepted to ICML 2025. code
- 2025.03: One paper on Congestion Prediction was accepted to IEEE TNSE.
- 2025.02: One paper on Image Restoration based on Just-Noticeable-Distortion (JND) was accepted to IEEE TMM.
- 2025.01: Our SVRF on Voxel-based Novel View Synthesis was accepted to IEEE TIP. code
- 2024.12: Our work on Unifying Imaging and Compression for HDR Image Compression was accepted to IEEE TIP. code
- 2024.10: I was recognized as an IEEE TMI Distinguished Reviewer Silver Level 2023-2024.
- 2024.09: Our DDR on image Deep Degradation Response was accepted to NeurIPS 2024. code
- 2024.08: Our M2Trans on Ultrasound Image Super-Resolution was accepted to IEEE JBHI. code & dataset
- 2024.07: One paper on Unpaired Low-Light Video Enhancement was accepted to ECCV 2024.
- 2024.05: Our MDFS on Opinion-Unaware Blind Image Quality Assessment was accepted to IEEE TMM. code
- 2024.04: Received the Silver Medal at the 49th International Exhibition of Inventions of Geneva.
- 2024.02: Our FDL on Misalignment-robust Loss for Image Transformation was accepted to CVPR 2024. code
- 2023.12: Our ColNeRF on Generalizable Novel View Synthesis was accepted to AAAI 2024. code
- 2023.10: One paper on Dynamic Evolution Model for Autonomous Car was accepted to IEEE TCSS.
- 2023.10: I was recognized as an IEEE TMI Distinguished Reviewer Gold Level 2022-2023.
- 2023.06: One paper on Low-light Image Enhancement was accepted to IEEE TMM. code
- 2023.04: One paper on Compressive Sensing was accepted to IEEE TIP. code
- 2023.03: One paper on Rate Control based on Neural Network was accepted to IEEE TCSVT.
- 2023.02: One paper on CTU-level Screen Content Rate Control for Low-Delay VVC was accepted to IEEE TCSVT.
- 2023.01: One paper on HDR Image Quality Assessment based on Frequency Disparity was accepted to IEEE TCSVT. code
- 2022.06: Our work on Unpaired Low-Light Image Enhancement was accepted to ACM MM 2022. code
- 2020.09: One paper on Learning-based Just Noticeable Distortion (JND) profile inference was accepted to IEEE TIP. code
- 2020.09: Our work on Unsupervised Image Enhancement was accepted to IEEE TIP. code
- 2020.07: Our work on Unpaired Image Enhancement was accepted to ACM MM 2020.
- 2020.06: We built a Just Noticeable Distortion (JND) dataset based on the Versatile Video Coding (VVC). dataset
- 2020.02: Our PCR on Color Image Demosaicking was accepted to IEEE TIP.
- 2019.04: Received the Outstanding Master Degree Thesis of the Chinese Institute of Electronics (CIE).
- 2018.07: One paper on SCI Quality Qssessment Based on the Multi-Scale Difference of Gaussian was accepted to IEEE TCSVT.
- 2018.06: Our GFM on SCI Quality Assessment Based on the Gabor Feature was accepted to IEEE TIP.
- 2017.06: Our ESIM on SCI Quality Assessment Based on the Edge Model was accepted to IEEE TIP.
Professional Experiences
- 2024.12 – now, Associate Professor, Tongji University
- 2022.03 – 2024.12, Assistant Professor, Tongji University
- 2021.10 – 2021.12, PostDoc, City University of Hong Kong
- 2017.06 – 2018.06, Research Engineer, Nanyang Technological University
Awards and Honors
- 2024, Silver Medal at the 49th International Exhibition of Inventions of Geneva (IEIG)
- 2022, Shanghai Leading Young Talents (Overseas)
- 2022, Shanghai Pujiang Talent Program
- 2020, Institutional Research Tuition Scholarship of City University of Hong Kong
- 2018, Outstanding Master Degree Thesis of the Chinese Institute of Electronics
Academic Services
- Journal Reviewer
- IEEE TPAMI, TIP, TIFS, TMI, TDSC, TKDE, TSMCS, TMM, TII, TNNLS, TCSVT, TITS, JBHI, TGRS, TCOM, SPL, etc.
- Conference Reviewer
- NeurIPS (2025-2024), ICML(2025), ICLR (2025), CVPR(2025-2024), ICCV(2025-2024), AAAI (2025-2023), ACM MM (2025-2019) etc.