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WeLight @ HKU

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Welcome to the WeLight Lab, aka., Computational Imaging & Mixed Representation Laboratory, at the University of Hong Kong. Our lab is led by Dr. Evan Y. Peng, an HKU-100 Assistant Professor at EEE and CS departments.

At WeLight Lab, we specialize in the interdisciplinary fields of Optics, Graphics, Vision, and Artificial Intelligence. Our focus areas include Computational Optics, Imager, Sensor, and Display; Holography & VR/AR/MR; Coded Microscope Imaging; Low-level Computer Vision; Inverse Rendering; and Human-centered Visual & Sensory Systems.

Our goal is to advance the frontiers of these domains through innovative research and technological development. We encourage interdisciplinary collaboration and aim to make a significant impact in both the academic and industrial spheres. You’re welcome to visit our laboratory to learn more about our research and achievements!

We are looking for PhD students and Postdocs (see openings) !

News

May, 2024 Dr. Peng contributed to groundbreaking research on holographic AR displays, now published in Nature: “Full-colour 3D holographic augmented-reality displays with metasurface waveguides”. Congratulations on this remarkable achievement!
May, 2024 Dr. Peng is continuing to serve as the Paper Technical Committee for IEEE ISMAR 2024. Welcome to share your excellent work at this amazing event.
Apr, 2024 Dr. Xin Liu has joined our lab as postdoc. Welcome onboard!
Apr, 2024 We successfully hosted the “Workshop on Frontiers of Image Science and Visual Computing 2024” on April 8th. Engage with the forefront of developments and innovations. Click here for full details.
Mar, 2024 Dr. Xianzhong Fang and Mr. Xin Tong just joined our lab as visiting research scholars for 6 months. Welcome onboard!
Dec, 2023 Our lab member, Mr. Zhenyang Li, in tandem with students from Zhejiang University, has won the first prize in the Neural Implicit Representation-track at the 2023 Greater Bay Area (Huangpu) International Algorithm Competition. Congratulations!
Nov, 2023 Dr. Peng is continuing to serve as the Technical Committee for SID Display Week 2024 Display Systems. Welcome to share your excellent work at this amazing event.
Oct, 2023 Dr. Peng is thrilled to host, again, the world-leading researcher in Computational Imaging Prof. Wolfgang Heidrich at HKU EEE and CS as our Distinguished Visiting Professor for this fall/winter.
Sep, 2023 Dr. Peng is continuing to serve as the Paper Program Committee for Computational Visual Media Conference (CVM) 2024. Welcome to share your excellent work at this amazing event.
Aug, 2023 Dr. Peng is continuing to serve as the Technical Paper Program Committee for IEEE VR 2024. Welcome to share your excellent work at this amazing event.
Jun, 2023 Dr. Peng is serving as the Technical Papers Program Committee for ACM SIGGRAPH ASIA 2023. Welcome to share your excellent work at this amazing event.
May, 2023 Dr. Peng is continuing to serve as the Paper Program Committee for IEEE ICCP 2023. Welcome to share your excellent work at this amazing event.
Apr, 2023 Dr. Peng is serving as the Conference Papers Chair and the Journal Papers Technical Program Committee for IEEE ISMAR 2023. Welcome to share your excellent work at this amazing event.
Mar, 2023 Dr. Peng is thrilled to be presented the IEEE VR Tech (Significant New Researcher) Award 2023. Thanks for everyone’s wishes and continuing support.
Jan, 2023 Dr. Peng is continuing to serve as the Technical Committee for OPTICA Imaging Congress 2023 3D Image Acquisition and Display Meeting. Welcome to share your excellent work at this amazing event.
Dec, 2022 Dr. Peng is continuing to serve as the Technical Committee for SID Display Week 2023 Display Systems. Welcome to share your excellent work at this amazing event.
Oct, 2022 Dr. Peng is thrilled to host the world-leading researcher in Computational Imaging Prof. Wolfgang Heidrich at HKU EEE and CS as our visiting professor for this fall/winter.
Sep, 2022 Dr. Peng is thrilled to be presented the AsiaGraphics Young Researcher Award 2022. Thanks for everyone’s wishes and continuing support

Selected publications

  1. Gopakumar2024.png
    Full-colour 3D holographic augmented-reality displays with metasurface waveguides
    Manu Gopakumar, Gun-Yeal Lee, Suyeon Choi, Brian Chao, Yifan Peng, Jonghyun Kim, and Gordon Wetzstein
    Nature, 2024
  2. wu2023adaptive.jpg
    Adaptive recurrent frame prediction with learnable motion vectors
    Zhizhen Wu, Chenyu Zuo, Yuchi Huo, Yazhen Yuan, Yifan Peng, Guiyang Pu, Rui Wang, and Hujun Bao
    In SIGGRAPH Asia 2023 Conference Papers, 2023
  3. wei2023modeling.jpg
    Modeling off-axis diffraction with the least-sampling angular spectrum method
    Haoyu WeiXin Liu, Xiang Hao, Edmund Y Lam, and Yifan Peng
    Optica, 2023
  4. huo2023optical.png
    Optical neural network via loose neuron array and functional learning
    Yuchi Huo, Hujun Bao, Yifan Peng, Chen Gao, Wei Hua, Qing Yang, Haifeng Li, Rui Wang, and Sung-Eui Yoon
    Nature Communications, 2023
  5. peng2020neural.gif
    Neural holography with camera-in-the-loop training
    Yifan Peng, Suyeon Choi, Nitish Padmanaban, and Gordon Wetzstein
    ACM Transactions on Graphics (TOG), 2020
  6. dun2020learned.png
    Learned rotationally symmetric diffractive achromat for full-spectrum computational imaging
    Xiong Dun, Hayato Ikoma, Gordon Wetzstein, Zhanshan Wang, Xinbin Cheng, and Yifan Peng
    Optica, 2020
  7. metzler2020deep.png
    Deep optics for single-shot high-dynamic-range imaging
    Christopher A Metzler, Hayato Ikoma, Yifan Peng, and Gordon Wetzstein
    In Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2020
  8. peng2019learned.png
    Learned large field-of-view imaging with thin-plate optics.
    Yifan Peng, Qilin Sun, Xiong Dun, Gordon Wetzstein, Wolfgang Heidrich, and Felix Heide
    ACM Trans. Graph., 2019
  9. sitzmann2018end.png
    End-to-end optimization of optics and image processing for achromatic extended depth of field and super-resolution imaging
    Vincent Sitzmann, Steven Diamond, Yifan Peng, Xiong Dun, Stephen Boyd, Wolfgang Heidrich, Felix Heide, and Gordon Wetzstein
    ACM Transactions on Graphics (TOG), 2018