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Management of traffic incident is an essential part of emergency management. Impact analysis of incident becomes more and more important in the operation of Intelligent Traffic System. This paper uses flow data collected from loop detectors to analyze the impact of incident in urban traffic system. A complex network model using correlation coefficient as the edge weight is constructed. Then, the random...
This paper tries to answer an interesting question: Is there any synchronized oscillation in network-wide urban traffic flow? Particularly, we apply the spectral envelope method to extract the common oscillation frequencies of a set of traffic flow time series collected from several detectors distributed on a two dimensional (2D) urban traffic network. Results show that several local synchronized...
In order to study the rules of network roadpsilas traffic dynamic evolution, it is required to establish a certain kind of traffic status model with topological structure of the road network. Most traditional methods are NOT very suitable to describe the links or the directions of traffic flows. This paper puts forward a new visualized model based on HSI (Hue-Saturation-Intensity) color space, then...
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