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Smart city article details

Title	Internet Of Smart-Cameras For Traffic Lights Optimization In Smart Cities
ID_Doc	32873
Authors	Tchuitcheu W.C.; Bobda C.; Pantho M.J.H.
Year	2020
Published	Internet of Things (Netherlands), 11
DOI	http://dx.doi.org/10.1016/j.iot.2020.100207
Abstract	Smart and decentralized control systems have recently been proposed to handle the growing traffic congestion in urban cities. Proposed smart traffic light solutions based on Wireless Sensor Network and Vehicular Ad-hoc NETwork are either unreliable and inflexible or complex and costly. Furthermore, the handling of special vehicles such as emergency is still not viable, especially during busy hours. Inspired by the emergence of distributed smart cameras, we present a novel fuzzy logic approach to traffic control at intersections. Our approach uses smart cameras at intersections along with image understanding for real-time traffic monitoring and assessment. Besides understanding the traffic flow, the cameras can detect and track special vehicles and help prioritize emergency cases. Traffic violations can be identified as well and traffic statistics collected. In this paper, we introduce a flexible, adaptive and phase-free distributed traffic-control algorithm that uses the information provided by distributed smart cameras to efficiently control traffic signals. Experimental results show that our collision-free approach outperforms the state-of-the-art of the average user's waiting time in the queue and improves the routing of emergency vehicles in a cross congestion area. © 2020 Elsevier B.V.
Author Keywords	Distributed smart-cameras; Emergency vehicles; Fuzzy logic; Image processing; Intelligent traffic management system; Smart city; Traffic signal

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