United States Department of Transportation
i
Investigation of LiDAR Sensing Technology to Improve Freeway Traffic Monitoring
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2022-09-01
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[PDF-2.67 MB]
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Edition:Final Report
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Abstract:LiDAR is an emerging technology that can provide detailed point-cloud measurements for accurate detection and characterization of objects. The cost of this technology has seen significant reduction in recent years with the scaling of production to meet the demands of wide-ranging applications such as autonomous vehicles, infrastructure inventory and topographic mapping, to name a few. Within the field of infrastructure-based traffic monitoring, recent studies have investigated the use of this sensor for advanced truck classification applications in side-fire orientation, as well as for motorized vehicle, bicycle and pedestrian detection at traffic intersections. This study explored the potential of LiDAR in traffic monitoring applications. These include the investigation in the feasibility of edge-side data processing of real-time LiDAR data, real-time detection of vehicle objects using a state-of-the-art object detection algorithm and the use of LiDAR to estimate microscopic vehicle trajectories within its field of view.
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