Neural network analysis of transportation flows of urban aglomeration using the data from public video cameras

Zatserkovnyy A.V., Nurminski E.A.
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Correct modeling of complex dynamics of urban transportation flows requires the collection of large volumes of empirical data to specify types of the modes and their identification. At the same time, setting a large number of observation posts is expensive and technically not always feasible. All this results in insufficient factographic support for the traffic control systems as well as for urban planners with the obvious consequences for the quality of their decisions. As one of the means to provide large-scale data collection at least for the qualitative situation analysis, the wide-area video cameras are used in different situation centers. There they are analyzed by human operators who are responsible for observation and control. Some video cameras provided their videos for common access, which makes them a valuable resource for transportation studies. However, there are significant problems with getting qualitative data from such cameras, which relate to the theory and practice of image processing. This study is devoted to the practical application of certain mainstream neuro-networking technologies for the estimation of essential characteristics of actual transportation flows. The problems arising in processing these data are analyzed, and their solutions are suggested. The convolution neural networks are used for tracking, and the methods for obtaining basic parameters of transportation flows from these observations are studied. The simplified neural networks are used for the preparation of training sets for the deep learning neural network YOLOv4 which is later used for the estimation of speed and density of automobile flows.

Keywords: artificial neural networks, computer vision, machine learning, object tracking, convolutional neural networks, YOLO
Citation in English: Zatserkovnyy A.V., Nurminski E.A. Neural network analysis of transportation flows of urban aglomeration using the data from public video cameras // Computer Research and Modeling, 2021, vol. 13, no. 2, pp. 305-318
Citation in English: Zatserkovnyy A.V., Nurminski E.A. Neural network analysis of transportation flows of urban aglomeration using the data from public video cameras // Computer Research and Modeling, 2021, vol. 13, no. 2, pp. 305-318
DOI: 10.20537/2076-7633-2021-13-2-305-318
URL: http://crm-en.ics.org.ru/journal/article/3056/
Creative Commons License This work is licensed under a Creative Commons Attribution-NoDerivs 3.0 Unported License.

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