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Related Experiment Video

Updated: Jul 16, 2026

Collecting and Processing Drone-based Remotely Sensed Data for Use in Forest Recovery Monitoring
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Collecting and Processing Drone-based Remotely Sensed Data for Use in Forest Recovery Monitoring

Published on: October 24, 2025

High-Definition Map-Based Autonomous Vehicle Localization Using LiDAR Point Cloud Similarity Metrics: A Comparative

Sai S Reddy1, Luis G Jaimes1, Onur Toker2

  • 1Department of Computer Science, Florida Polytechnic University, Lakeland, FL 33805, USA.

Sensors (Basel, Switzerland)
|July 15, 2026
PubMed
Summary

This study compares LiDAR point cloud similarity metrics for autonomous vehicle localization. Procrustes alignment offers the best balance of accuracy and speed for reliable navigation in GPS-denied environments.

Keywords:
autonomous vehicleshigh-definition mapspoint clouds

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Published on: October 24, 2025

Area of Science:

  • Robotics and Autonomous Systems
  • Computer Vision
  • Geospatial Navigation

Background:

  • Accurate localization is crucial for autonomous vehicle (AV) navigation, especially where GPS is unreliable.
  • Existing LiDAR-based point cloud similarity metrics for high-definition (HD) map localization lack systematic comparison.
  • A unified framework is needed to evaluate distinct metric families under identical real-world conditions.

Purpose of the Study:

  • To conduct an offline comparative study of three distinct LiDAR point cloud similarity metric families.
  • To evaluate metrics within a unified HD map-based localization framework for autonomous vehicles.
  • To provide guidance on metric selection for on-road driving scenarios with static environments and yaw-dominant motion.

Main Methods:

  • Developed a unified localization framework using a dataset of 19,500 time-synchronized LiDAR scans and GPS data.
  • Compared three similarity metrics: Fast Point Feature Histograms (FPFH), Procrustes alignment (SVD-based), and planar projection (2D histogram cross-correlation).
  • Evaluated metrics based on similarity score profile (localizability) and per-pair computational cost.

Main Results:

  • FPFH offers rich geometric matching but is computationally expensive (~1018s/pair), suitable for offline analysis.
  • Procrustes alignment provides smooth score profiles and zero self-similarity baseline at ~2.63s/pair.
  • Planar projection yields location-invariant profiles at ~11.6s/pair, balancing invariance and cost.

Conclusions:

  • Procrustes alignment demonstrates superior performance in terms of score profile smoothness and computational efficiency for the tested conditions.
  • The study provides a reproducible benchmark and guidance for selecting LiDAR similarity metrics in autonomous vehicle localization.
  • Further research is needed to bridge the gap between current computational costs and requirements for real-time online deployment.