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July 6, 2026ISPRS annals of the photogrammetry, remote sensing and spatial information sciencesOpen Access

Methodological framework for determining vertical angular variances of terrestrial laser scanners

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Authors

JHJakob HummelsbergerOAOmar AbdelGafarDLDerek Lichti

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Overview

Randomized trial evaluates angular variance in terrestrial laser scanning technology, suggesting improved precision methods.

Key Points

  • This research aims to develop a robust method for assessing the vertical angular variance of terrestrial laser scanners.
  • Profile measurements are utilized to determine angular variance.
  • Simulations serve as proof-of-concept for the proposed methodology.
  • Evaluations are conducted using a Z+F IMAGER ® 5016A scanner.
  • The angular standard deviation was found to be significantly lower than manufacturer claims, starting at roughly 2" for slowest rotation to 4" for fastest.
  • High estimation precision of angular standard deviation was observed across varying ranges.
  • A dependency between angular standard deviation and beam deflection rotational speed was identified.

Cite This Study

Hummelsberger et al. (2026) studied this question.

synapsesocial.com/papers/6a4b45b2997070ff83b5b4fdhttps://doi.org/10.5194/isprs-annals-xi-1-2026-363-2026
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Also Consider

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

  1. 1On-site strategy for estimating range variances of terrestrial laser scanners based on (un-)scaled intensity values2026
  2. 2Complementing and Validating Uncertainty of Terrestrial Laser Scanning via Interval Analysis2026
  3. 3Modeling the distribution of TLS distance related uncertainties2026
  4. 4Experimental and analytical geodetic accuracy assessment of terrestrial laser scanning for deformation monitoring under static and dynamic conditions2026
  5. 5Quantitative Evaluation of Angular, Range, and Reflectance Influences on Laser scanners Using a High-Precision Linear Rail Test System2025