2022

  1. Yue J., Xu B., Hsu L.T. (2022) Data Denoising Based on Hadamard Matrix Transformation and Rayleigh Quotient Maximization: Application to GNSS Signal Classification, IEEE Transactions on Instrumentation and Measurement, 91: 2512011.

  2. Bai X., Wen W., Hsu L.T. (2022) Time-correlated Window Carrier-phase Aided GNSS Positioning Using Factor Graph Optimization for Urban Positioning, IEEE Transactions on Aerospace and Electronic Systems, 58(4): 3370-3384. [slide] [video]

  3. Dey A., Iyer K., Xu B., Sharma N., Hsu L. T. (2022) Carrier-Aided Dual Frequency Vectorized Tracking Architecture for NavIC Signals, IEEE Transactions on Instrumentation and Measurement, 71: 8500513.

  4. Wen W., Zhang G., Hsu L. T. (2022) GNSS Outlier Mitigation via Graduated Non-Convexity Factor Graph Optimization, IEEE Transactions on Vehicular Technology, 71(1): 297-310.

  5. Meng Q., Hsu L.T. (2022) Resilient Interactive Sensor-Independent-Update Fusion Navigation Method, IEEE Transactions on Intelligent Transportation Systems, (online published).

  6. Wang S.M., Ouyang W.C., Hsu H.M., Hsu L.T. (2022) An Instrumental Measure of Hand and Facial Movement Abnormalities in Patients with Schizophrenia, Frontiers in Psychiatry, section Schizophrenia (Online published). 

  7. Wen W., Hsu L.T. (2022) AGPC-SLAM: Absolute Ground Plane Constrained 3D LiDAR SLAM, Navigation, Journal of Institute of Navigation, 69(3): navi.527. [video]

  8. Jia Q., Hsu L.T., Wu R. (2022) Scalar and Vector Tracking Loop Simulation Based on a Uniform Semi-analytic Model and Robustness Analysis in Multipath/NLOS Situations, GPS Solutions, 26:97.

  9. Wen, W., Hsu, L.T. (2022) 3D LiDAR Aided GNSS NLOS Mitigation in Urban Canyons, IEEE transactions on intelligent transportation systems. (online published) [video]

  10. Huang, F., Wen, W., Zhang, J., Hsu, L.T. (2022) Point-wise or Feature-wise? Benchmark Comparison of Public Available LiDAR Odometry Algorithms in Urban Canyons, IEEE Intelligent Transportation Systems. (online published)

  11. Zhang L., Hsu L. T., Zhang T. (2022) A Novel INS/USBL Integrated Navigation Scheme Via Factor Graph Optimization, IEEE Transactions on Vehicular Technology. (online published)

  12. El-Mowafy A., Xu B., Hsu L.T. (2022) Integrity monitoring using multi-GNSS pseudorange observations in the urban environment combining ARAIM and 3D city models, Journal of Spatial Science, 67(1): 91-110.

2021

  1. Bai X., Wen W., Hsu L.T. (2021) Degeneration-aware Outlier Mitigation for Visual Inertial Integrated Navigation System in Urban Canyons, IEEE Transactions on Instrumentation and Measurement, 70:1-15. [slide]

  2. Lee J.L. M., Hsu L.T., Ng H.F. (2021) Semantic-Based VPS for Smartphone Localization in Challenging Urban Environments. Sensors 21(18): 6137.

  3. Sun R., Fu L., Wang G., Cheng Q., Hsu L.T., Ochieng W.Y. (2021) Using Dual-polarization GPS Antenna with Optimized Adaptive Neuro-fuzzy Inference System to Improve Single Point Positioning Accuracy in Urban Canyons, Navigation, Journal of the Institute of Navigation, 68(1): 41-60.

  4. Xue, D., Hsu, L.T., Wu, C.L., Lee, C.H., & Ng, K.K.H. (2021) Cooperative surveillance systems and digital-technology enabler for a real-time standard terminal arrival schedule displacement, Advanced Engineering Informatics, 50: 101402.

  5. Ng H.F., Hsu L.T. (2021) 3D Mapping Database Aided GNSS RTK and Its Assessments in Urban Canyons, IEEE Transactions on Aerospace and Electronic Systems, 57(5): 3150-3166.

  6. Yue J., Wen W., Han J., Hsu L.T. (2021) 3D Point Clouds Data Super Resolution Aided LiDAR Odometry for Vehicular Positioning in Urban Canyons, IEEE Transactions on Vehicular Technology, 70(5): 4098-4112.

  7. Luo H., Li Y., Wang J., Weng D., Ye J., Hsu L.T., Chen W. (2021) Integration of GNSS and BLE Technology With Inertial Sensors for Real-Time Positioning in Urban Environments, IEEE Access, 9:15744. (IF:3.745, in Computer Science, Information Systems)

  8. Jia Q., Hsu L.T., Xu B., Wu R. (2021) A cost-effective beam forming structure for global navigation satellite system multipath mitigation and its assessment, Journal of Navigation, 74(2): 425-445.        

  9. Yang S., Hsu L.T. (2021) Tightly Coupled Integrated Navigation System Via Factor Graph for UAV Indoor Localization, Aerospace Science and Technology, 108: 106370.

  10. Zhang G., Xu P., Xu H.,  Hsu L.T. (2021) Prediction on the Urban GNSS Measurement Uncertainty based on Deep Learning Networks with Long Short-Term Memory, IEEE Sensors Journal, 21(18): 20563-20577. 

  11. Zhang J., Wen W., Huang F., Hsu L.T. (2021) Coarse-to-Fine  Loosely-Coupled LiDAR-Inertial Odometry for Urban Positioning and Mapping, Remote Sensing, 13(12): 2371. 

  12. Ng H.F., Zhang G., Luo Y., Hsu L.T.  (2021) Urban Positioning: 3D Mapping Aided GNSS using Dual-Frequency Pseudorange Measurements from Smartphones, Navigation, Journal of Institute of Navigation, 68(4): 727-749.

  13. Hu S., Kan Y. C., Hsu L.T. (2021) Localization Uncertainty Constrained Lateral PID Control with Aids of Fuzzy Logic Considering LiDAR NDT Matching Error, Journal of Aeronautics, Astronautics and Aviation, 53(1): 27-42.

  14. Ng H.F., Zhang G., Hsu L.T. (2021) Robust GNSS Shadow Matching for Smartphones in Urban Canyons, IEEE Sensors Journal, 21(16): 18307-18317.

  15. Wen W., Pfeifer T., Bai X., Hsu L.T., (2021) Factor Graph Optimization for GNSS/INS Integration: A Comparison with the Extended Kalman Filter, Navigation, Journal of Institute of Navigation, 68(2): 315-331. [video]

  16. Kan Y.C., Hsu L.T., Wang E. (2021) Performance Evaluation on Map-based NDT Scan Matching Localization using Simulated Occlusion Datasets, IEEE Sensors Letters, 5: 3.

  17. Zhang G., Xu B., Ng H.F., Hsu L.T. (2021) GNSS RUMS: GNSS Realistic Urban Multi-agent Simulator for Collaborative Positioning Research, Remote Sensing,13(4): 544.

  18. Zhang G., Hsu L.T. (2021) Performance Assessment of the GNSS Diffraction Models in Urban Areas, Navigation, Journal of Institute of Navigation, 68(2): 369-389. 

  19. Jiang C., Xu B., Hsu L.T. (2021) A Probabilistic Approach to Detect and Mitigate GNSS NLOS Using State Augmented Kalman Filter, GPS Solutions, 25: 72. 

  20. Sun R., Wang G., Cheng Q., Fu L., Chiang K.W., Hsu L.T., Ochieng W.Y. (2021) Improving GPS Code Phase Positioning Accuracy in Urban Environments Using Machine Learning, IEEE Internet of Things Journal, 8(8): 7065-7078.

  21. Zhang G., Ng H.F., Wen W., Hsu L.T. (2021) 3D Mapping Database Aided GNSS Based Collaborative Positioning Using Factor Graph Optimization, IEEE Transactions on Intelligent Transportation Systems,22(10): 6176-6187.

  22. Meng Q., Hsu L.T. (2021) Integrity Monitoring for All-Source Navigation Enhanced by Kalman Filter-Based Solution Separation, IEEE Sensors Journals, 21(14): 15469-15484.

2020

  1.  Sun R., Wang G., Zhang W., Hsu L.T., Ochieng W.Y. (2020) A gradient boosting decision tree based GPS signal reception classification algorithm, Applied Soft Computing, 86:105942.

  2. Zhang G., Wen W., Xu B., Hsu L.T. (2020) Extending Shadow Matching to Tightly-Coupled GNSS/INS Integration System, IEEE Transactions on Vehicular Technology, 69(5): 4979-4991.

  3. Lee M.J.L., Lee S, Ng H.F., Hsu L.T. (2020) Skymask Matching Aided Positioning Using Sky-Pointing Fisheye Camera and 3D City Models in Urban Canyons, Sensors, 20(17):4728.

  4. Ng H.F., Zhang G., Yang K.Y., Yang S.X., Hsu L.T. (2020) Improved Weighting Scheme using Consumer-level GNSS L5/E5a/B2a Pseudorange Measurements in the Urban Area, Advances in Space Research, 66(7): 1647-1658.

  5. Wen W., Bai X., Zhang G., Chen S., Yuan F., Hsu L.T. (2020) Multi-Agent Collaborative GNSS/Camera/INS Integration Aided by Inter-ranging for Vehicular Navigation in Urban Areas, IEEE Access, 8: 124323.

  6. Ng H.F., Zhang G., Hsu L.T. (2020) A Computation Effective Range-Based 3D Mapping Aided GNSS with NLOS Correction Method, Journal of Navigation, 7(6): 1202 - 1222.

  7. Wen W., Zhang G., Hsu L.T. (2020) Object Detection Aided GNSS and Its Integration with LiDAR in Highly Urbanized Areas, IEEE Intelligent Transportation Systems Magazine, 12(3): 53-69. 

  8. Bai X., Wen W., Hsu L.T. (2020) Robust Visual-Inertial Integrated Navigation System Aided by Online Sensor Model Adaption for Autonomous Ground Vehicles in Urban Areas, Remote Sensing, 12 (10): 1686. [slide]

  9. Chiang K.W., Li Y.H., Hsu L.T., Chu F.Y. (2020) The Design a TDCP-Smoothed GNSS/Odometer Integration Scheme with Vehicular-Motion Constraint and Robust Regression, Remote Sensing, 12(16): 2550. 

  10. Xue D., Ng K.H., Hsu L.T. (2020) Multi-Objective Flight Altitude Decision Considering Contrails, Fuel Consumption and Flight Time, Sustainability, 12(15): 6253. 

  11. Xu H., Hsu L.T., Lu D., Cai B. (2020) Sky Visibility Estimation based on GNSS Satellite Visibility: An Approach of GNSS based Context-Awareness, GPS Solutions, 24: 59.

  12. Bai X., Wen W., Hsu L.T. (2020) Using Sky-Pointing Fish-eye Camera and LiDAR to Aid GNSS Single Point Positioning in Urban Canyons, IET Intelligent Transport Systems, 14(8): 908-914.

  13. Xu H., Angrisano A., Gaglione S., Hsu L.T. (2020) Machine learning based LOS/NLOS classifier and robust estimator for GNSS shadow matching, Satellite Navigation, 1:15.

  14. Meng Q., Hsu L.T. (2020) Integrity for Autonomous Vehicles and Towards a Novel Alert Limit Determination Method, Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 235(4): 996-1006.

2019

  1. Xu B., Jia Q., Hsu L.T. (2019) Vector Tracking Loop-based GNSS NLOS Detection and Correction: Algorithm Design and Performance Analysis, IEEE Transactions on Instrumentation and Measurement, 69(7): 4604-4619.

  2. Wen W., Bai X., Kan Y.C., Hsu L.T.* (2019) Tightly Coupled GNSS/INS Integration Via Factor Graph and Aided by Fish-eye Camera, IEEE Transactions on Vehicular Technology, 68 (11): 10651-10662.

  3. Xu B., Jia Q., Luo Y., Hsu L.T.* (2019) Intelligent GPS L1 LOS/Multipath/NLOS Classifiers Based on Correlator-, RINEX-and NMEA-Level Measurements, Remote Sensing, 11(16): 1851.

  4. Zhang G., Wen W., Hsu L.T.* (2019) Rectification of GNSS based Collaborative Positioning using 3D Building Models in Urban Areas, GPS Solutions, 23(3): 83.

  5. Luo Y., Li J., Yu C., Xu B., Li Y., Hsu L.T., El-Sheimy N. (2019) Research on Time-Correlated Errors Using Allan Variance in a Kalman Filter Applicable to Vector-Tracking-Based GNSS Software-Defined Receiver for Autonomous Ground Vehicle Navigation, Remote Sensing, 11(9): 1026.

  6. Xu B., Hsu L.T.* (2019) An Open Source Matlab Code on GPS Vector Tracking based on Software-Defined Receiver, GPS Solutions, 23(2): 46. https://www.ngs.noaa.gov/gps-toolbox/GPS_VT_SDR.htm

  7. Wen W., Zhang G., Hsu  L.T.* (2019) GNSS NLOS Exclusion Based on Dynamic Object Detection Using LiDAR Point Cloud, IEEE Transactions on Intelligent Transportation Systems, 22(2): 853-862.

  8. Meng Q., Hsu L.T.*, Xu B., Luo X., El-Mowafy A. (2019) A GPS Spoofing Generator using an Open Sourced Vector Tracking-Based Receiver, Sensors, 19 (18): 3993. 

  9. Wen W., Zhang G., Hsu, L.T.* (2019) Correcting NLOS by 3D LiDAR and Building Height to improve GNSS Single Point Positioning, NAVIGATION, Journal of the Institute of Navigation, 66(4): 705-718.

  10. Sun R., Hsu L.T.*, Xue D., Zhang G., Washington Y.O. (2019) GPS Signal Reception Classification Using Adaptive Neuro-Fuzzy Inference System, Journal of Navigation, 72(3): 685-701.

  11. Wen W., Bai X., Zhan W., Tomizuka M., Hsu L.T.* (2019) Uncertainty Estimation of LiDAR Matching Aided by Dynamic Vehicle Detection and High Definition Map, IET Electronics Letters, 55(6): 348-349.

  12. Xue D., Sun R., Hsu L.T.* (2019) Optimal Takeoff Time Assignment under Severe Weather, Journal of Aeronautics, Astronautics and Aviation, 51(4): 355-368. 

2018

  1. Zhang G., Hsu L.T. (2018) Intelligent GNSS/INS Integrated Navigation System for a Commercial UAV Flight Control System, Aerospace Science and Technology.

  2. Hsu L.T. (2018) Analysis and Modelling GPS NLOS effect in Highly Urbanized Area, GPS Solutions, 22(1): 7.

  3. Wen W., Hsu L.T., Zhang G. (2018) Performance analysis of NDT-based graph slam for autonomous vehicle in diverse typical driving scenarios of Hong Kong, Sensors, 18: 3928.

  4. Zhang G., Hsu L.T. (2018) A New Path Planning Algorithm Using GNSS Localization Error Map for UAV in Urban Area, Journal of Intelligent & Robotic Systems, 94(1): 219-235. 

  5. Gu Y., Hsu L.T., Kamijo S. (2018) Towards Lane-level Traffic Monitoring in Urban Environment Using Precise Probe Vehicle Data Derived from Three-dimensional Map Aided Differential GNSS, IATSS Research. (available online) doi.org/10.1016/j.iatssr.2018.03.001 

  6. Huang Y., Gu Y., Hsu L.T. (2018) GNSS Correction using Altitude Map and Its Integration with Pedestrian Dead Reckoning, IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Science, 101(8): 1245-1256. 

2017

  1. Hsu L.T.*, Tokura H., Kubo N., Gu Y., Kamijo S. (2017) Multiple Faulty GNSS Measurement Exclusion based on Consistency Check in Urban Canyons, IEEE Sensors Journals, 17(6): 1909-1917. (IF:3.076, 135/605 = 22.3% in Electrical and Electronic Engineering)

  2. Hsu L.T., Gu Y., Kamijo S. (2017) Intelligent Viaduct Recognition and Driving Altitude Determination using GPS Data, IEEE Transactions on Intelligent Vehicles, 2(3): 175-184.

  3. Kubo N., Kobayashi K., Hsu L.T., Amai O. (2017) Multipath Mitigation Technique under Strong Multipath Environment Using Multiple Antennas, Journal of Aeronautics, Astronautics and Aviation, Series A, 49(1): 75-82. (93/114 = 81.5% in Aerospace Engineering)

  4. Hsu L.T. (2017) Analysis and Modeling GPS NLOS Effect in Highly Urbanized Area, GPS Solutions, 22: 7.

2016

  1. Gu, Y., Hsu L.T., Bao J., Kamijo S. (2016) Integrating Global Navigation Satellite System and Road-Marking Detection for Vehicle Localization in Urban Traffic, Transportation Research Record Journal, 2595(1): 59-67.

  2. Huang Y., Hsu L.T.*, Gu Y., Wang H., Kamijo S. (2016) Database Calibration for Outdoor Wi-Fi Positioning System, IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences, E99-A(9): 1683-1690. (IF:0.274, 445/601 = 74% in Electrical and Electronic Engineering)

  3. Gu Y., Hsu L.T., Kamijo S. (2016) Accurate Estimation of Pedestrian Orientation from On-board Camera and Inertial Sensors, IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences, E99-A(1): 271-281. (IF:0.274, 445/601 = 74% in Electrical and Electronic Engineering)

  4. Hashimoto Y., Gu Y., Hsu L.T., Iryo-Asano M., Kamijo S. (2016) A Probabilistic Model of Pedestrian Crossing Behavior at Signalized Intersections for Connected Vehicles, TRANSPORT RES C-EMER., 71(1):164-181.  (IF:5.775, 1/83 = 1.16% in Automobile Engineering)

  5. Wada Y., Hsu L.T.*, Gu Y., Kamijo S. (2016) Optimization of 3D Building Models by GPS Measurements, GPS Solutions, 21(1): 65-78. (IF: 4.727, 23/286 = 8.04% in Earth and Planetary Sciences (miscellaneous))

  6. Hsu L. T.*, Gu Y., Huang Y., Kamijo S. (2016) Urban Pedestrian Navigation using Smartphone-based Dead Reckoning and 3D Maps Aided GNSS, IEEE Sensors Journal, 16(5): 1281-1293. (IF:3.076, 135/605 = 22.3% in Electrical and Electronic Engineering)

  7. Gu Y., Hsu L.T., Kamijo S. (2016) GNSS/On-Board Inertial Sensor Integration with the Aid of 3D Building Map for Lane-Level Vehicle Self-Localization in Urban Canyon, IEEE Transactions on Vehicular Technology, 65(6): 4274-4287. (IF4.432, 13/114 = 11.4% in Aerospace Engineering)

  8. Hsu L.T.*, Gu Y., Kamijo S. (2016) 3D Building Model Pedestrian Positioning Method Using GPS/GLONASS/QZSS and Its Reliability Calculation, GPS Solutions, 20(3): 413-428. (IF: 4.727, 23/286 = 8.04% in Earth and Planetary Sciences (miscellaneous))

  9. Gu Y., Hashimoto Y., Hsu L.T., Iryo-Asano M., Kamijo S. (2016) Human-like Motion Planning Model for Driving in Signalized Intersections,” IATSS Research. (available online) doi.org/10.1016/j.iatssr.2016.11.002. (108/470 = 26.53% in Engineering (miscellaneous))

2015

  1. Miura S., Hsu L.T., Chen F., Kamijo S. (2015) GPS Error Correction with Pseudorange Evaluation Using 3-dimensional Maps, IEEE Transactions on Intelligent Transportation Systems, 16(6): 3104-3115. (IF: 3.724, 7/83 = 8.43% in Automobile Engineering)

  2. Hsu L.T.*, Gu Y., Kamijo S. (2015) NLOS Correction/Exclusion for GNSS Measurement Using RAIM and City Building Models, Sensors, 15(7): 17329-17349.

  3. Gu Y., Hsu L.T, Kamijo S. (2015) Passive Sensor Integration for Vehicle Self-Localization in Urban Traffic Environment, Sensors, 15(12): 30199-30220. (IF: 2.475, 157/601= 26.1% in Electrical and Electronic Engineering)

  4. Hsu L.T.*, Chen F., Kamijo S. (2015) Evaluation of Multi-GNSSs and GPS with 3D Map Methods for Pedestrian Positioning in an Urban Canyon Environment, IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences, E98.A(1): 284-293.  (IF:0.274, 445/601 = 74% in Electrical and Electronic Engineering)

Before 2015

  1. Hsu L.T.*, Jan S.S., Groves P.D., Kubo N. (2014) Multipath Mitigation and NLOS Detection Using Vector Tracking in Urban, GPS Solutions, 19(2): 249-262.

  2. Hsu L.T.*, Jan S.S. (2013) Performance Analysis of Advanced GPS Receiver Technique in Radio Frequency Difficult Environment, Journal of Aeronautics, Astronautics and Aviation, Series A, 45(3): 203-210. (93/114 = 81.5% in Aerospace Engineering)

  3. Jan S.S., Hsu L.T, Tsai W.M. (2010) Development of an Indoor Location Based Service Test Bed and Geographic Information System with a WSN, Sensors, 10(4): 2957-2974. (IF: 2.475, 157/601= 26.1% in Electrical and Electronic Engineering)

  4. Tao A.L., Hsu L.T., Jan S.S. (2010) Wide Area Differential GNSS in Taiwan: Development and Validation Testing, Journal of Aeronautics, Astronautics and Aviation, Series A, 42(4): 259-267. (93/114 = 81.5% in Aerospace Engineering)

  5. Jan S.S., Hsu L.T. (2010) Assessment of Composite PRN Code Acquisition Methods for GPS Signal, The Journal of the Chinese Society of Mechanical Engineers, 31(1): 47-54. (IF:0.274, 507/541 =93.7% in Mechanical Engineering)

  6. Hsu L.T.*, Tsai W.M., Jan S.S. (2009) Development of Indoor Positioning and Location Based Information Test Bed, Journal of Aeronautics, Astronautics and Aviation, Series A, 41(3): 181-187. (93/114 = 81.5% in Aerospace Engineering)