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November 18, 2025SensorsOpen Access

4D Pointwise Terrestrial Laser Scanning Calibration: Radiometric Calibration of Point Clouds

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Authors

MSMansoor SabzaliLPLloyd PilgrimMSMansoor Sabzali

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Overview

Research demonstrates enhanced precision and accuracy in point clouds from terrestrial laser scanning, suggesting improvements in intensity measurements.

Key Points

  • This research aims to improve the accuracy and precision of signal intensities in point clouds produced by terrestrial laser scanners.
  • Developed a texture-dependent LiDAR range equation
  • Utilized a neural network method for signal reflectivity estimation
  • Evaluated four diverse terrestrial laser scanners
  • Achieved at least 40% improvement in accuracy of color intensities
  • Enhanced precision by 97% for individual point intensities
  • Established a framework for 4D TLS point cloud calibration

Cite This Study

Sabzali et al. (2025) studied this question.

synapsesocial.com/papers/6924fef9c0ce034ddc351f86https://doi.org/10.3390/s25227035
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Terrestrial Laser Scanning Intensity Correction by Piecewise Fitting and Overlap-Driven Adjustment2017 · 57 citations
  2. 2A Comprehensive Review of Mathematical Error Characterization and Mitigation Strategies in Terrestrial Laser Scanning2025
  3. 3Calibration of Panoramic Terrestrial Laser Scanners using Planar Patches2026
  4. 4PointNet-based modeling of systematic distance deviations for improved TLS accuracy2024 · 7 citations
  5. 5Terrestrial Laser Scanning and UAV Laser Scanning: Comparing Point Cloud Accuracy for Digital Elevation Model2024