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September 16, 2025Remote SensingOpen Access

Time-Series 3D Modeling of Tunnel Damage Through Fusion of Image and Point Cloud Data

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Authors

CLChulhee LeeDKDoa KimDKDongku Kim

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Overview

This analysis reveals fusion-based modeling significantly improves tunnel damage detection, indicating strong diagnostic capabilities for 3D modeling techniques.

Key Points

  • The fusion-based model achieved the highest geometric accuracy and resolution, surpassing both TLS-based and image-based models.
  • Time-series analysis identified complex damage progression, revealing a 55.8% increase in damaged area due to leakage and icicle formation.
  • Three types of 3D models were developed: TLS-based, image-based, and fusion-based, highlighting each model's strengths and limitations.
  • The study emphasizes the necessity of data fusion for comprehensive tunnel condition diagnosis and supports digital twin development.

Cite This Study

Lee et al. (2025) studied this question.

synapsesocial.com/papers/68d454d131b076d99fa5a764https://doi.org/10.3390/rs17183173
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