Prof. HE Roy (何雨晨)

Ms (Columbia) PhD (Gatech)

Visiting address
Phone: +852 34422964

Author IDs


Roy He holds a Ph.D. from Georgia Institute of Technology (Best thesis), a Master's degree from Columbia University, and a B.Sc. (Honours) from Chongqing University. He conducted research as a visiting researcher at Ecole Normale Superieure Paris-Saclay in 2020. Although accepted as a post-doctoral candidate at Duke University in 2021, he was unable to attend due to COVID-related travel restrictions. Instead, he served as a post-doctoral researcher at Shanghai Jiao Tong University from 2021 to 2023. In 2023, he joined City University of Hong Kong as an Assistant Professor.

His research interests encompass variational and statistical image processing (segmentation, decomposition, reconstruction, color enhancement, etc.), data-driven modeling (PDE identification), mathematical computer graphics (image vectorization), numerical PDE and optimization, and deep learning theory and applications in computer vision.


  • 2022 “GT Sigma Xi Best PhD Thesis Award” Georgia Institute of Technology.
  • 2021 “International Postdoctoral Exchange Fellowship” Office of China Postdoc Council.
  • 2020 “Larry O'Hara Fellowship” Geogia Institute of Technology.
  • 2020 “Chateaubriand Fellowship” Embassy of France in United States.

Services in CityU

Administrative Assignment

  • 2023 - 2024, MA Representative for EE Programme Committees, Department representative.


  • Sep 2023 - Dec 2023, Calc & Basic Linear Algebra I.


Conferences Attended

  • 8 Oct 2023 - 11 Oct 2023, IEEE ICIP 2023, Kuala Lumpur, Malaysia.
  • Jun 2023, 10th International Congress for Industrial and Applied Mathematics (ICIAM), Japan.
  • Jun 2023, International Conference on Applied Mathematics (ICAM) 2023, Hong Kong.
  • May 2023, The 12th Conference on Inverse Problems, Imaging and Applications, China.
  • 16 Oct 2022 - 19 Oct 2022, IEEE ICIP 2022, Bordeaux France.
  • 19 Sep 2021 - 22 Sep 2021, IEEE ICIP 2021, Anchorage, Alaska, USA.