Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 15 of 15 for “"traffic surveillance"”.
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Vehicle tracking and speed estimation for traffic surveillance
… applications of object detection and tracking. Traffic surveillance has become crucial in this day and age where the number of vehicles on the road has risen considerably. To preserve the safety of motorists, traffic law enforcement assign speed limits at different locations throughout the …
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Calibration of dynamic traffic assignment models with point-to-point traffic surveillance
… of demand and supply simulators within a Dynamic Traffic Assignment (DTA) system is critical for the provision of consistent travel information and efficient traffic management. Emerging traffic surveillance devices such as Automatic Vehicle Identification (AVI) technology provide a rich source of …
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Implementation and Analysis of Wireless Local Area Networks for High-Mobility Telematics
… services for applications, such as, telematics, traffic surveillance and rescue operations. This research studies the feasibility and behavior of outdoor implementation of low-cost wireless LANs used for high mobility telematics and traffic surveillance. A multi-hop experimental wireless data …
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Reliable facility location design and traffic sensor deployment under probabilistic disruptions
… to serve distributed customers. In the traffic engineering context, various types of surveillance sensors (e.g., induction loops, video cameras and radio frequency transponders) are deployed in transportation networks to estimate real-time traffic states, which are valuable information …
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Vehicle Classification Framework: Online Classification with Tracking
Video surveillance has significant application prospects such as security, law enforcement, and traffic monitoring. Visual traffic surveillance using computer vision techniques can be non-invasive, cost effective and automated. Detecting and recognizing the objects in a video is an important part …
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Assessment of impact of dynamic route guidance through variable message signs
… Transportation Systems (ITS) technologies with traffic surveillance has the potential of reducing the delays and costs incurred due to non-recurrent congestion through the dissemination of dynamic route guidance to drivers. Variable Message Signs (VMS), installed on freeways, are used for …
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Traffic flow management under emergency conditions in and around the Virginia Tidewater area tunnels
… and confined environment require continuous traffic surveillance and control. This is achieved by a variety of systems like closed circuit TV monitoring, personnel stationed in the tunnel, overheight & speed detectors and others. Traffic flow data were obtained from the Interstate 64(I -64) …
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Safety considerations for operation of different classes of unmanned aerial vehicles in the National Airspace System
… and autonomous capability and the source of traffic surveillance in the system. A system safety analysis was performed according to FAA system safety guidelines for two critical hazards in UAV operation: midair collision and ground impact. Event-based models were developed describing the …
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Multi-target Tracking Using on-line Viterbi Optimisation and Stochastic Modelling
To study and compare the safety of intersection, traffic scientists today typically manually monitor the intersection during several days and count how often certain events such as evasive manoeuvres occur. This is a laboursome and costly procedure. The aim of this thesis is to provide tools that …
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Autonomy through real-time learning and OpenNARS for Applications
… application projects where ONA is utilized: a traffic surveillance application in the Smart City domain to identify traffic anomalies through real-time reasoning and learning, and a system to help first responders by providing driving assistance and presenting of mission-critical information. …
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Off-line Multi-Sensor Multi-Source Calibration of Dynamic Traffic Assignment: Simultaneous Demand-Supply Estimation based on Genetic Algorithms in a High-Performance Computer
… the use of detailed simulation-based dynamic traffic assignment (DTA) models to replicate the complex traffic flow dynamics. Recent advancements in computer technology have led to the development of high-fidelity simulation models; however, in order to be used as reliable tools, the simulation …
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An analysis of the impact of wireless technology on public vs. private traffic data collection, dissemination and use
The collection of data concerning traffic conditions (e.g., incidents, travel times, average speed, traffic volumes, etc.) on roadways has traditionally been carried out by those public entities charged with managing traffic flow, responding to incidents, and maintaining the surface of the roadway. …
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A merging model for motorway traffic
… the cooperation between the merging and motorway traffic. This research has developed a feasible integrated microscopic simulation framework to model the interactions among traffic in motorway merging sections. This has been achieved by developing an integrated model (MergeSim) consisting of two …
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Feedback particle filter and its applications
… engineering, including tracking and navigation, traffic surveillance, financial engineering, neuroscience, biology, robotics, computer vision, weather forecasting, geophysical survey and oceanology, etc. This thesis is particularly concerned with the nonlinear filtering problem in the …