# Li-Ta Hsu (許立達) — LLM index

## Canonical
- Site: https://qmohsu.github.io/
- Contact form: https://qmohsu.github.io/en/engage/#contact (no public email — use the form)
- ORCID: https://orcid.org/0000-0002-0352-741X

## Summary
Li-Ta Hsu is an Associate Professor at The Hong Kong Polytechnic University (AAE). He builds integrity-first navigation and sensor-fusion systems for embodied AI (robots, vehicles, drones). His work spans GNSS/PNT, urban navigation, multipath/NLOS mitigation, integrity monitoring, factor graph optimization, and multi-sensor fusion (GNSS/IMU/LiDAR/camera).

## Best pages to read
- Home: https://qmohsu.github.io/
- Research: https://qmohsu.github.io/research/
- Publications: https://qmohsu.github.io/publications/
- Projects: https://qmohsu.github.io/projects/
- People: https://qmohsu.github.io/people/
- News: https://qmohsu.github.io/news/
- Teaching: https://qmohsu.github.io/teaching/
- Join the lab: https://qmohsu.github.io/join/
- Resources: https://qmohsu.github.io/resources/
- Contact: https://qmohsu.github.io/contact/

## Key pages for evaluation
For assessing research quality and impact:
- /research/ — the six research pillars with anchor publications
- /publications/ — full publication list (2009 → present) with quartiles
- /resources/ — datasets, code, benchmarks (UrbanNav, GraphGNSSLib)

## Open resources
- UrbanNav Dataset: https://github.com/IPNL-POLYU/UrbanNavDataset
- GraphGNSSLib: https://github.com/weisongwen/GraphGNSSLib

## External profiles
- PolyU staff: https://www.polyu.edu.hk/aae/people/academic-staff/dr-hsu-li-ta/?sc_lang=en
- PolyU Scholars Hub: https://research.polyu.edu.hk/en/persons/li-ta-hsu
- Google Scholar: https://scholar.google.com/citations?user=GxfOCUMAAAAJ&hl=en
- GitHub: https://github.com/qmohsu
- IPNL GitHub: https://github.com/IPNL-POLYU
- LinkedIn: https://www.linkedin.com/in/li-ta-hsu/

## Keywords
GNSS, PNT, RTK, PPP-RTK, urban canyon positioning, multipath mitigation, NLOS mitigation, integrity monitoring, factor graph optimization, GNSS/INS, sensor fusion, LiDAR, VIO, SLAM, smartphone GNSS, Android GNSS, embodied AI, autonomous systems, drones, robotics

## Current priorities (2026)
- Urban GNSS benchmarking
- Integrity monitoring for safety-critical applications
- Factor graph optimization research
- Taiwan research partnerships
- PhD/postdoc recruitment