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In this study, we characterize traffic density modeled from coarse data by using data signatures to effectively and efficiently represent traffic flow behavior. Using the 2006 North Luzon Expressway Balintawak-North Bound (NLEX Blk-NB) hourly traffic volume and time mean speed data sets provided by the National Center for Transportation Studies (NCTS), we generate hourly traffic density data set....
In this study, we used AutoRegressive Integrated Moving Average (ARIMA) to effectively represent expected normal traffic behavior of those weeks identified to be abnormal in the previous literature. Using the 2006 North Luzon Expressway North Bound (NLEX NB) Balintawak (Blk) segment's hourly traffic volume and time mean speed data sets provided by the National Center for Transportation Studies (NCTS),...
In this paper, we present a multiyear analysis of the North Luzon Expressway Balintawak-NorthBound (NLEX BLKNB) Datasets of 2006 to 2009 using the 6-minute Interval traffic volume obtained from the National Center of Transportation Studies (NCTS). Previous works have only explored the behavior and characteristics of hourly interval datasets where in, however descriptive, we think is still limited...
In this paper, a new set of data signatures is derived to obtain better Vector Fusion 2D visualizations of a time series and periodic nD traffic data set as compared with previous work. The latter had used the entire Power Spectrum components for visualization purposes to produce 2D representations of each subset of the data. With the feasibility of obtaining a smaller representation of the data set...
In this paper, we used X-Means clustering algorithm, incorporated data images from a so-called Iterative Data Image Rotated Bar Graph (iDIRBrG) method (formerly referred as BC method) and used Vector Fusion Visualization to achieve better traffic data analysis results compared to our previous work by improving how data signatures are constructed from the raw data set. By doing so, we effectively identify...
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