# Li-Ta Hsu (許立達) — LLM index

## Canonical
- Site: https://qmohsu.github.io/
- Email: lt.hsu@polyu.edu.hk
- 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/
- About: https://qmohsu.github.io/about/
- Research: https://qmohsu.github.io/research/
- Open resources: https://qmohsu.github.io/open/
- Facts (machine-readable): https://qmohsu.github.io/facts/
- Taiwan Node: https://qmohsu.github.io/taiwan/
- Collaboration: https://qmohsu.github.io/collaboration/
- Role Charter: https://qmohsu.github.io/role/
- Now/Next/Later: https://qmohsu.github.io/now/
- Talks: https://qmohsu.github.io/talks/
- CV (PDF link): https://qmohsu.github.io/cv/
- Press Kit: https://qmohsu.github.io/press/
- Contact: https://qmohsu.github.io/contact/

## Key pages for evaluation
For assessing research quality and impact:
- /open/ — datasets, code, benchmarks (UrbanNav, GraphGNSSLib)
- /research/ — research themes and selected publications
- /facts/ — verifiable factual claims with sources

## 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 (2025)
- Taiwan research partnerships
- Urban GNSS benchmarking
- Integrity monitoring for safety-critical applications
- Factor graph optimization research
- PhD/postdoc recruitment