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Develop and evaluate an automated clustering algorithm that classifies satellite radar persistent scatterers across space and time for bridge structural health monitoring.

September 8, 2025MeasurementOpen Access

Bridge monitoring with satellite InSAR technology and clustering algorithm

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Authors

VCValeria Francesca CaspaniUniversity of Trento DTDaniel TonelliUniversity of Trento MBMattia Francesco BadoUniversitat Politècnica de Catalunya

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Implication

Validation study demonstrates automated deformation tracking in bridge infrastructure, indicating feasible integration of satellite radar into proactive structural health monitoring systems.

Key Points

Develop and evaluate an automated clustering algorithm that classifies satellite radar persistent scatterers across space and time for bridge structural health monitoring.
Extracted Persistent Scatterers from Multi-Temporal Interferometric Synthetic Aperture Radar (MT-InSAR) datasets acquired via COSMO-SkyMed satellites and processed through SarProZ software.
Implemented a one-step clustering algorithm combining spatial and temporal displacement domains to automatically identify deformation patterns across two Italian structures: the Po River Bridge and the Colle Isarco Viaduct.
The algorithm isolated structurally relevant deformation trends and localized behavioral anomalies across different bridge segments with minimal user input.
The spatio-temporal framework demonstrated consistent adaptability and robustness across distinct bridge layouts, validating its suitability for large-scale Bridge Management Systems.

Cite This Study

Caspani et al. (2025) studied this question.

synapsesocial.com/papers/6a757ffecbb3fa1e5bdbe319 https://doi.org/10.1016/j.measurement.2025.118939

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Implication

Validation study demonstrates automated deformation tracking in bridge infrastructure, indicating feasible integration of satellite radar into proactive structural health monitoring systems.

Bridge monitoring with satellite InSAR technology and clustering algorithm

Discussion

Member takes

Implication

Key Points

Cite This Study

Bridge monitoring with satellite InSAR technology and clustering algorithm

Discussion

Member takes

Implication

Key Points

Cite This Study

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