Semantic-Based VPS for Smartphone Localization in Challenging Urban Environments. - Max Jwo Lem Lee; Li-Ta Hsu; Hoi-Fung Ng; Shang Lee (CoRR, 2020)

Skymask Matching Aided Positioning Using Sky-Pointing Fisheye Camera and 3D City Models in Urban Canyons. - Max Jwo Lem Lee; Shang Lee; Hoi-Fung Ng; Li-Ta Hsu (Sensors, 2020)

GNSS RUMS: GNSS Realistic Urban Multiagent Simulator for Collaborative Positioning Research. - Guohao Zhang; Bing Xu; Hoi-Fung Ng; Li-Ta Hsu (Remote. Sens., 2021)

Semantic VPS for Smartphone Localization in Challenging Urban Environments. - Max Jwo Lem Lee; Li-Ta Hsu; Hoi-Fung Ng (Sensors, 2021)

3D Mapping Database-Aided GNSS RTK and Its Assessments in Urban Canyons. - Hoi-Fung Ng; Li-Ta Hsu (IEEE Trans. Aerosp. Electron. Syst., 2021)

3D Mapping Database Aided GNSS Based Collaborative Positioning Using Factor Graph Optimization. - Guohao Zhang; Hoi-Fung Ng; Weisong Wen; Li-Ta Hsu (IEEE Trans. Intell. Transp. Syst., 2021)

GNSS Outliers Mitigation in Urban Areas Using Sparse Estimation Based on Factor Graph Optimization. - Xiwei Bai; Weisong Wen; Guohao Zhang; Hoi-Fung Ng; Li-Ta Hsu (ITSC, 2022)

LiDAR Aided Cycle Slip Detection for GNSS Real-Time Kinematic Positioning in Urban Environments. - Feng Huang 006; Weisong Wen; Hoi-Fung Ng; Li-Ta Hsu (ITSC, 2022)

Real-Time Loosely Coupled 3DMA GNSS/Doppler Measurements Integration Using a Graph Optimization and Its Performance Assessments in Urban Canyons of New York. - Hoi-Fung Ng; Li-Ta Hsu; Max Jwo Lem Lee; Junchi Feng; Tahereh Naeimi; Mahya Beheshti; John-Ross Rizzo (Sensors, 2022)

Ray-Tracing Correction for GNSS Velocity Estimation Using Doppler Frequency: A Feasibility Analysis. - Liyuan Zhang; Hoi-Fung Ng; Guohao Zhang; Li-Ta Hsu (IEEE Trans. Instrum. Meas., 2024)

GNSS/Map Integration with Batch Factor Graph Optimization for Reliable Trajectory Estimation in Urban Canyon. - Yihan Zhong; Hoi-Fung Ng; Li-Ta Hsu; Weisong Wen (PLANS, 2025)

Automated Camera Positioning for Digital Twinning: Incorporating 360° Imaging, Differential Rendering, and 3-D Spatial Data. - Max Jwo Lem Lee; Hoi-Fung Ng; Li-Ta Hsu (IEEE Trans. Instrum. Meas., 2025)

GNSS Doppler Velocity Estimation Aided by 3D Mapping Database. - Liyuan Zhang; Hoi-Fung Ng; Yihan Zhong; Guohao Zhang; Li-Ta Hsu (IEEE Trans. Intell. Transp. Syst., 2025)