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Rapid Geometric Evaluation of Transportation Infrastructure Based on a Proposed Low-Cost Portable Mobile Laser
Haochen Wang1,2, Dongming Feng1,2,3
1Key Laboratory of Concrete and Prestressed Concrete Structures of the Ministry of Education, Southeast University, Nanjing 210096, China.
Sensors (Basel, Switzerland)
|January 23, 2024
Summary
A new portable mobile laser scanning (MLS) system efficiently detects geometric features of roads and tunnels. This technology aids traffic management and post-disaster assessments by creating detailed 3D digital maps.
Area of Science:
- Geomatics Engineering
- Transportation Engineering
- Robotics and Sensor Systems
Background:
- Accurate geometric evaluation of transportation infrastructure is vital for effective traffic management, particularly after disasters.
- Existing methods may lack efficiency, portability, or cost-effectiveness for real-time data acquisition.
Purpose of the Study:
- To develop and validate a portable, low-cost multi-sensor mobile laser scanning (MLS) system for efficient geometric feature detection of roads and tunnels.
- To create a 3D digital map integrating geometric information for improved infrastructure assessment.
Main Methods:
- Development of a portable, vehicle-mounted MLS system integrating multiple sensors.
- Merging coordinate systems and timestamps to generate 3D point clouds.
- Utilizing shape changes in point clouds for geometric feature extraction (road width, vertical clearance, tunnel cross-section).
- Employing self-developed software and a real-time online visualization platform for 3D model reconstruction.
Main Results:
- Successful implementation of the MLS system for geometric evaluation of roads and tunnels.
- Generation of 3D digital maps with precise geometric data.
- Verification of the system's robustness through a case study with representative nodes.
- Identification of primary sources of interference affecting measurements.
Conclusions:
- The proposed portable MLS system offers an efficient and robust solution for geometric feature detection in road and tunnel infrastructure.
- The developed system and platform contribute to enhanced traffic management and post-disaster response capabilities through accurate 3D digital mapping.
Keywords:
3D reconstructiondata fusiongeometric measurementlow-costmobile laser scanningtransportation infrastructurevisualizationMore Related Videos
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