17 June 2026
student
Congratulations to Dr. Haosheng Xu, who has completed his PhD in the Intelligent Positioning and Navigation Lab (IPNL) at The Hong Kong Polytechnic University.
His thesis, “Sky Visibility Estimation Using Satellite Signals for Building Update Detection,” estimates sky visibility from GNSS satellite signals to detect changes in the urban building environment.
See his IPNL alumni page.