Urban Twin Update

Combining InSAR-derived deformation data with high-resolution drone photogrammetry to deliver up-to-date 3D digital twins for urban infrastructure monitoring.

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How does it work?

Urban digital twins quickly become outdated due to ongoing construction, subsidence and structural deformation, hindering planning and maintenance. Integrating InSAR deformation data with drone photogrammetry ensures timely refreshes and high-accuracy models to support decision-making.

Real-time Deformation Tracking: InSAR provides millimeter-level subsidence and uplift measurements across the urban area. This continuous monitoring highlights structural shifts between drone flights for proactive interventions.
High-Resolution Geometry: Drone photogrammetry generates centimeter-accurate 3D models of buildings, roads, and utilities. Combining these models with deformation layers produces detailed digital twins reflective of current conditions.
Change Detection Alerts: Automated comparison of consecutive digital twin updates identifies deviations beyond thresholds. Stakeholders receive alerts on emerging issues such as ground movement or structural settling.
Risk Mitigation: Early detection of deformation patterns allows for timely maintenance planning and hazard prevention. This reduces the risk of failures and liability in critical infrastructure.
Reduced Survey Costs: Leveraging satellite InSAR reduces the frequency of expensive ground surveys while drones target specific areas. This hybrid approach optimizes resource allocation and lowers overall data acquisition expenses.
Seamless Workflow Integration: The platform integrates with GIS, BIM, and asset management systems via standard APIs. Teams can incorporate refreshed digital twins into existing processes without disrupting operations.

Frequently asked questions

Have a different question and can’t find the answer you’re looking for? Reach out to our support team by sending us an email and we’ll get back to you as soon as we can.

How does InSAR compare to LiDAR for urban deformation monitoring?: InSAR offers continuous, wide-area deformation data at millimeter precision, while LiDAR provides detailed surface geometry snapshots. Combining InSAR with photogrammetry yields both dynamic movement insights and high-resolution 3D models.
Why is this hybrid approach popular in urban planning?: Municipalities value the fusion of InSAR's temporal deformation data with drone photogrammetry's spatial detail. This synergy supports accurate infrastructure assessments and timely urban development decisions.
What are the limitations of InSAR in dense urban areas?: InSAR can be affected by signal decorrelation behind tall buildings or vegetation cover. However, integrating drone photogrammetry fills these gaps by capturing clear geometry in complex environments.
Can this solution replace ground-based surveys entirely?: While satellites and drones reduce the need for frequent fieldwork, critical inspections still require targeted ground validation. The platform minimizes survey frequency but complements rather than fully replaces in-situ measurements.
How often can I refresh the digital twin?: Refresh cycles depend on satellite revisit times, typically every 6–12 days, and drone flight schedules, which are fully customizable. The platform automatically ingests new data and updates models as soon as inputs are available.
Are there alternatives to drone photogrammetry?: Yes, urban planners can use aerial LiDAR or mobile mapping systems for 3D data capture. Photogrammetry remains cost-effective and flexible but can be combined with or substituted by LiDAR where higher point density is required.

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