Kai Xu

PhD student

National University of Singapore

kxu [at] comp.nus.edu [dot] sg

[Google Scholar] [GitHub]




Biography

Hello! I’m a third-year PhD student at the School of Computing, National University of Singapore. I’m part of the Computer Vision and Machine Learning Group, where I conduct research under the guidance of Prof. Angela Yao. My primary research interest lies in video understanding.

Publications

  • DAS3R: Dynamics-Aware Gaussian Splatting for Static Scene Reconstruction

    Kai Xu, Tze Ho Elden Tse, Jizong Peng, Angela Yao

    ArXiv, 2024.

  • EvA: Erasing Spurious Correlations with Activations

    Qiyuan He, Kai Xu, Angela Yao

    International Conference on Learning Representations (ICLR), 2025.

  • Enhancing Video Super-Resolution via Implicit Resampling-based Alignment

    Kai Xu, Ziwei Yu, Xin Wang, Michael Bi M, Angela Yao

    IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2024. (Highlight)

  • Scaling for Training Time and Post-hoc Out-of-distribution Detection Enhancement

    Kai Xu, Rongyu Chen, Gianni Franchi, Angela Yao

    International Conference on Learning Representations (ICLR), 2024.

  • DropIT: Dropping Intermediate Tensors for Memory-Efficient DNN Training

    Joya Chen*, Kai Xu*, Yuhui Wang, Yifei Cheng, Angela Yao (*Equal contribution)

    International Conference on Learning Representations (ICLR), 2023.

  • Accelerating Video Object Segmentation with Compressed Video

    Kai Xu, Angela Yao

    IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 2022.

    • Teaching

    Teaching Assistant, CS4243 Computer Vision and Pattern Recognition, 2021

    Contact

    Address: AS6 04-11, 11 Computing Dr, Singapore 117416