LI-TA HSU

Director of IPNL

Area of Specialization:

  • GNSS Positioning and Signal Processing,

  • Indoor Positioning and Indoor Navigation (Wi-Fi, UWB, INS, etc.),

  • Visual and LiDAR SLAM,

  • Sensors Fusion,

  • Estimation and Optimization.

For the Applications:

  • Smartphone, Smart Watch, and Smart Glasses,

  • Unmanned Autonomous Systems,

  • Autonomous Driving,

  • Avionics.


Education:

  • Ph.D., Aeronautics and Astronautics, the National Cheng Kung University, Tainan, Taiwan

  • B.Sc., Aeronautics and Astronautics, the National Cheng Kung University, Tainan, Taiwan

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ORCID: 0000-0002-0352-741X

AUTHOR ID (SCOPUS): 35219760300

RESEARCHER ID (WOS): I-9078-2014

GOOGLE SCHOLAR: CHECK PROFILE

Dr. Hsu received the B.S. and Ph.D. degrees in Aeronautics and Astronautics from National Cheng Kung University (NCKU), Taiwan, in 2007 and 2013, respectively. He was a Visiting Researcher with the Faculty of Engineering, University College London (UCL) and Tokyo University of Marine Science and Technology (TUMSAT), in 2012 and 2013, respectively. In 2013, he won a Student Paper Award and two Best Presentation Awards from the Institute of Navigation (ION). He was selected as a Japan Society for the Promotion of Sciences Postdoctoral Fellow with the Institute of Industrial Science, The University of Tokyo (UTokyo) and worked from 2014 to 2016. He is an Associate Fellow in the Royal Institute of Navigation. Dr. Hsu currently are members of ION and IEEE and serve as a member of the editorial board and reviewer in professional journals related to GNSS.

DR. WEISONG WEN

Associate Director of IPNL (Multi-sensors Integrated Navigation System), Research Assistant Professor in AAE, PolyU

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Short bio:

Dr. Wen received the B.Eng. degree in Mechanical Engineering from Beijing Information Science and Technology University (BISTU), Beijing, China, in 2015, and the M.Eng. degree in Mechanical Engineering from the China Agricultural University, in 2017. After that, he received a Ph.D. degree in Mechanical Engineering from The Hong Kong Polytechnic University (PolyU), in 2020. He was also a visiting Ph.D. student with the Faculty of Engineering, University California, Berkeley (UC Berkeley) in 2018. In 2020, he won the Best Presentation Award from the Institute of Navigation (ION), and the First Prize in Hong Kong Section in Qianhai-Guangdong-Macao Youth Innovation and Entrepreneurship Competition, 2019. Before joining PolyU as a Research Assistant Professor, he was a senior research fellow at AAE of PolyU.

His mission and dedication are to develop cutting-edge, low-cost, and accurate positioning solutions for systems (autonomous vehicles, UAVs, smartphones, etc) with navigation requirements that can intelligently operate in a complex and diverse environment with sensing capability. His current research interests include 1) low-cost SLAM, GNSS, and deeply complementary multi-sensor integration-based positioning in complex scenarios. Mapping and localization for city-scale reconstruction (2) State estimation algorithm with non-Gaussian sensor noise and unknown outliers, optimization with highly non-convex surfaces. 3) Multiple agents collaborative positioning, cloud positioning.

Area of Specialization:

Autonomous Driving, Robotics, Mapping, and Localization, Sensor Fusion, GNSS, SLAM

Research Goal: Solving the challenging positioning and navigation problem in challenging scenarios, such as urban canyons, dense traffic roads.

Feel free to reach out for more information.

Get in Touch

DR. BING XU

Associate Director of IPNL  (GNSS Signal Processing), Research Assistant Professor in AAE, PolyU

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Short Description:

Dr Xu (ORCID: 0000-0003-3677-1109) received his BEng degree from Nanjing University of Science and Technology, China in 2012. He was awarded the PhD degree in navigation guidance and control from the same university in 2018. Prior to his current position, Research Assistant Professor with Department of Aeronautical and Aviation Engineering (AAE), The Hong Kong Polytechnic University, he was a Postdoctoral Fellow with the same institution from August 2018 to April 2020.

Area of Specialization:
Signal processing; Satellite positioning and navigation; GNSS receiver design; GNSS radio frequency interference detection and localization; Parameter estimation; Wireless communications.

DR. GUOHAO ZHANG

Associate Director of IPNL (Urban and Indoor Positioning), Research Assistant Professor in AAE, PolyU

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Biography
BEng (University of Science and Technology Beijing), MSc and PhD (The Hong Kong Polytechnic University)


Short Description:

Dr. Guohao Zhang received his bachelor’s degree in mechanical engineering and automation from University of Science and Technology Beijing, China. He received his master’s degree in Mechanical Engineering and his Ph.D. degree in Aeronautical and Aviation Engineering, the Hong Kong Polytechnic University. He was selected by the “Distinguished Postdoctoral Fellowship Scheme” from the same university. He won the ION GNSS+ Student Paper Award in 2019 and the Best Presentation Award in 2018 by the Institute of Navigation. 


Area of Specialization: 
GNSS Positioning in Challenging Environments, 3D Mapping Aided GNSS, Collaborative Positioning, Signal Propagation Modelling, Multi-sensor Integration, Machine Learning, Indoor Positioning  

POSTDOCTORAL RESEARCH FELLOWS

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DR. LIANG ZHANG (PH.D. SEU)

Research areas: Inertial Navigation, Sensor Fusion, Underwater Navigation

Dr. Zhang received the Ph.D. degree in Instruments Science and Technology from Southeast University in 2021 and the M.S. degree in Navigation, Guidance, and Control from Nanjing University of Aeronautics and Astronautics in 2017. He is currently a Postdoctoral Fellow in the Interdisciplinary Division of Aeronautical and Aviation Engineering (AAE), the Hong Kong Polytechnic University.  His research interest includes inertial navigation, integrated navigation technology, and underwater positioning technology.

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DR. RONGHE JIN (PH.D. WHU)

Research areas: GNSS Collaborative Positioning, Multi-sensor fusion, Visual SLAM, Object tracking 

Dr. Ronghe JIN received the bachelor's and master’s degree in Surveying and Mapping Engineering and his Ph.D. degree in Geodesy and Survey Engineering, Wuhan University. He is currently a Postdoctoral Fellow in Aeronautical and Aviation Engineering, the Hong Kong Polytechnic University. 

PHD STUDENTS

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XIWEI BAI

Research areas: Visual SLAM, Visual-aided GNSS positioning

Xiwei Bai received a bachelor's degree in Mechanical Engineering and Automation from Beijing Information science and Technology University., China, in 2016 and the master’s degree in Mechanical and electronics in China Agricultural University, China, in 2018. Her research interests including visual SLAM and Visual-aided GNSS positioning for autonomous vehicle localization.

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FENG HUANG

Research areas: Localization, Sensor Fusion, Autonomous System

HUANG Feng received his Bachelor’s degree from Shenzhen University in Automation in 2014 and MSc in Electronic Engineering at Hong Kong University of Science and Technology in 2016. He has 3 years of working experience in robotics. His research interests including localization and sensor-fusion for autonomous driving.

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HAOSHENG XU

Research areas: GNSS positioning, Context Awareness

Mr Xu received a bachelor degree in Thermal Energy and Power Engineering from Jilin University (JLU), China, in 2016. He is currently an M.Sc. student at the Department of Mechanical Engineering, The Hong Kong Polytechnic University, Hong Kong. His research interests including in deep learning-based GNSS localization, navigation and machine learning.

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HOI FUNG (IVAN) NG

Research areas: 3DMA GNSS, RTK

Mr Hoi-Fung Ng received a Bachelor of Engineering (Honours) in Air Transport Engineering and a Master of Science in Mechanical Engineering from The Hong Kong Polytechnic University in 2018 and 2021, respectively. He is currently a PhD student in the Department of Aeronautical and Aviation Engineering, The Hong Kong Polytechnic University. He is a recipient of the Hong Kong PhD Fellowship. His research interests include 3D mapping aided GNSS positioning and navigation in urban canyons.

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PENGHUI XU

Research areas: machine learning based GNSS urban localization and multi-sensor integration for positioning

XU Penghui received a B.S. degree from South China Agricultural University in 2015. In 2017, he obtained his MSc degree in mechanical engineering from The Hong Kong Polytechnic University. After that, he mainly works in machine learning algorithm development. Currently, he is pursuing a Ph.D. degree at The Hong Kong Polytechnic University. His research interests include machine learning based GNSS urban localization and multi-sensor integration for positioning.

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MAX LEE

Research areas: 1) Indoor, cellular and vision-based digital twin positioning, 2) UAV SAR (Unmanned aerial vehicle search and rescue) positioning, 3) Ad hoc positioning system (APS) in hostile environments

Max Lee received a Bachelor of Engineering (Honours) in Aviation Engineering from The Hong Kong Polytechnic University in 2021, respectively. He has interned in Boeing previously as an engineer. He is currently a PhD student in the Department of Aeronautical and Aviation Engineering, The Hong Kong Polytechnic University. He is a recipient of the Hong Kong PhD Fellowship. His current research interests include 1) Indoor, cellular and vision-based digital twin positioning, 2) UAV SAR (Unmanned aerial vehicle search and rescue) positioning, 3) Ad hoc positioning (APS) in hostile environments.

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JIACHONG CHANG

Research areas:  strap-down inertial navigation system, Multi-sensors fusion, fault diagnosis technology

Jiachong CHANG  received the B.S. degree from the Department of Automation, Harbin Engineering University, Harbin, China, in 2016, and the M.S. degree from Harbin Institute of Technology, Harbin, China, in 2018. He is currently pursuing the PhD. degree in the Department of Aeronautical and Aviation Engineering with The Hong Kong Polytechnic University, and instruments science and technology with Harbin Institute of Technology.

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PENGGAO YAN

Research areas: Autonomous Vehicles, Planning Aided Localization, Sensor Fusion

YAN Penggao received the bachelor's degree in Communication Engineering in 2018 and the master's degree in Pattern Recognition and Intelligent Systems in 2021, both from Wuhan University, China. He is currently pursuing the Ph.D. degree in the Hong Kong Polytechnic University. His research interests include autonomous vehicles, planning aided localization and sensor fusion.

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RUNZHI HU

Research areas: HD Map, Machine Learning, Autonomous System

HU Runzhi received his bachelor's degree in Machine Design Manufacturing and Automation from China Agricultural University (CAU), China, in 2018. And he got his master's degree of Engineering in Computer Technology from China Agricultural University in 2021.

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XIKUN LIU

Research areas: Localization, Multiple Sensor Fusion, Autonomous System

Mr LIU Xikun received his bachelor's degree in Mechanical Design, Manufacturing and Automation from Huazhong University of Science and Technology, China in 2017, and master’s degree in Mechatronics and Information Technology from Karlsruhe Institute of Technology, Germany in 2021. He is currently a project assistant in Intelligent Positioning and Navigation Laboratory. His research interests include Simultaneous Localization and Mapping (SLAM), multiple sensor fusion in autonomous driving.

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XI ZHENG

Research areas: Visual SLAM and safety quantifiable localization

ZHENG Xi received her B.Eng degree and M.Eng degree in flight vehicle design from Northwestern Polytechnical University in 2015 and 2018. Her research focuses on visual SLAM and safety quantifiable localization.

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LIYUAN ZHANG

Research areas: GNSS urban localization, collaborative positioning, spoofing detection

Liyuan ZHANG received the B.E. degree in Electronic and Information Engineering from Chongqing University of Posts and Telecommunications in 2019, Chongqing, China. He received the M.S. degree in the Department of Electronic and Information Engineering, Beihang University, Beijing, China.

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XIAO XIA

Research areas: Constrained Optimization, GNSS integrity monitoring, Filtering and graph-optimization based state estimation

XIA Xiao received his B.Sc. degree in Vehicle Engineering from Beijing Institute of Technology, China in 2018. and M.Sc. degree in Automation Engineering from RWTH, Aachen University, Germany in 2021. Currently he works as a project assistant in IPNL. His research interests include constrained optimization, GNSS integrity monitoring, filtering and graph-optimization based state estimation.

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YIHAN ZHONG

Research areas: LiDAR SLAM, Map Matching

ZHONG Yi Han obtained bachelor's degree in process equipment and control engineering from Guangxi University in 2020. He is currently an MSC student of Mechanical Engineering, the Hong Kong Polytechnic University. His research interests including LiDAR SLAM( solid-state LiDAR), Map Matching for Autonomous Driving Localization.

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ZEKUN ZHANG

Research areas: deep learning; neural network; GNSS

ZHANG Zekun received his bachelor's degree in Machine Design Manufacturing and Automation from Shan Dong University (SDU), China, in 2020. And he got his master's degree in Electronic Information from Huazhong University of Science and Technology in 2022.  His research interests include deep learning for localization.

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HONGMIN ZHANG

Research areas: GNSS urban localization, PPP-RTK, multi-sensor integration for positioning

Zhang Hongmin received her bachelor’s degree in Navigation Engineering in 2019 and master’s degree in Geodesy and Surveying Engineering in 2022, both from Wuhan university, China. Her research interests include PPP-RTK and multi-sensor integration for positioning.

RESEARCH ASSISTANTS & PROJECT ASSISTANTS

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JIACHEN ZHANG

Research areas: Localization, Sensor Fusion, Autonomous System

ZHANG Jiachen received her bachelor’s degree from Tianjin University in Information Engineering in 2016 and is currently an enrolled, full-time graduate student at Tianjin University, majoring in Optical Engineering. She is working as a research assistant in the Intelligent Positioning and Navigation Laboratory. Her research interests including localization and sensor-fusion for autonomous driving.

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Huseyin DURAN

Research areas: multi-sensor localization, visual navigation of extraterrestrial exploration vehicles

Huseyin DURAN obtained his BSc. Degree in Aerospace Engineering Department from Middle East Technical University, Ankara/Turkey in 2020. His MSc. degree will be rewarded by Beihang University, Beijing/China in 2023. He has experience in engineering discipline — design and optimization of navigation of deep space missions, localization of planetary exploration vehicles. His research interests include multi-sensor localization and visual navigation of extraterrestrial exploration vehicles. 

MSC STUDENTS

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QIUSHEN LIAO

Research areas:  Pedestrian Dead Reckoning

Mr. Liao obtained his bachelor's degree in Mechanical Design & Manufacturing and Automation from Guangdong University of Technology. He is a Msc. student at the Mechanical Engineering department of Hong Kong Polytechnic University. His research interest is  Pedestrian Dead Reckoning.

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MIAO WU

Research areas:  3DMA GNSS

Miao Wu received the bachelor’s degree in mechanical engineering from Shanghai Maritime University, China, in 2021. She is currently an MSc student in Mechanical engineering at the Hong Kong Polytechnic University. Her research interests include 3DMA GNSS techniques using diffraction.

MPHIL STUDENTS

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HIU YI (QUEENIE) HO

Research areas: Visual Slam, Sensor Fusion, Autonomous Driving

Queenie received a Bachelor of Engineering (Hons) in Air Transport Engineering from The Hong Kong Polytechnic University, Hong Kong, in 2021. Her research interests include visual localization and navigation and autonomous driving.

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YAN TUNG (NIKKIE) LEUNG

Research areas: Machine Learning, Autonomous Driving

Nikkie received a Bachelor of Engineering (Hons) in Air Transport Engineering from The Hong Kong Polytechnic University, Hong Kong, in 2021. Her research interests include positioning and navigation and autonomous driving.

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CHIN LOK (AUSTON) TSANG

Research areas: GNSS signal processing, GNSS SDR design, and navigation and localization in challenging and harsh environments

Chin Lok TSANG received his Bachelor’s Degree in Aeronautical and Aviation Engineering (major) and Electronic and Information Engineering (minor) from the Hong Kong Polytechnic University in 2022. His research interests include GNSS signal processing, GNSS SDR design, and navigation and localization in challenging and harsh environments.

PROJECT ADMINISTRATIVE ASSISTANT

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YUAN CHEN(VERA)

Vera received a Bachelor of Arts from Xi'an International Studies University (XISU) in 2012 and a Master of Arts from XISU in 2016. She worked and lived in Australia and the UK from 2017-2020. Now, she is a project administrative assistant in IPNL.

UNOFFICIAL LAB MEMBER

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GULU

Gulu is an unofficial Lab member. He is a cute and naughty cat kept by Mr. Penghui Xu and Mr. Guohao Zhang. His research interest is playing, eating, and sleeping. Hope we can always keep the curiosity to the research and life, like the cat.

ALUMNI

QIONGQIONG JIA - ASSOCIATE PROFESSOR IN CIVIL AVIATION UNIVERSITY OF CHINA

Research Associate in IPNL (2018-2019)

DABIN XUE – PHD STUDENT IN LSGI POLYU

Research Assistant in IPNL (2018-2019)

MUHAMMAD SHUJJAH YAMIN – MSC STUDENT IN IST PAKISTAN

Research Assistant in IPNL (2018-2019)

SAI HU – ENGINEER IN HUAWEI TECHNOLOGY

MSc Student in IPNL (2017-2019)

WEICHANG XU  – ENGINEER IN HUAWEI TECHNOLOGY

MSc Student in IPNL (2019-2020)

YANG SONG  – PHD STUDENT IN ME POLYU

MSc Student in IPNL (2019-2020)

YUE JIANG – ASSOCIATE PROFESSOR IN HOHAI UNIVERSITY

Postdoctoral Research Fellow in IPNL (2020)

CHANGHUI JIANG  – POSDOCTORAL RESEARCH FELLOW IN FINLAND

Postdoctoral Research Fellow in IPNL (2020)

QIAN MENG – ASSISTANT PROFESSOR IN SOUTHEAST UNIVERSITY

Postdoctoral Research Fellow in IPNL (2020)

YIRAN LUO  –  POSDOCTORAL RESEARCH FELLOW IN UNIVERSITY OF CALGARY

Postdoctoral Research Fellow in IPNL (2019-2021)

ABHIJIT DEY – PHD STUDENT OF BIRLA INSTITUTE OF TECHNOLOGY AND SCIENCE, PILANI, INDIA

Visiting PhD student in IPNL (2021)

LUCY ICKING – PHD STUDENT OF LEIBNIZ UNIVERSITY HANNOVER

Visiting PhD student in IPNL (2021)