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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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