原文传递
Traffic state prediction using conditionally Gaussian observed Markov fuzzy switching model
| 题名： | Traffic state prediction using conditionally Gaussian observed Markov fuzzy switching model |
| 正文语种： | eng |
| 作者： | Zied Bouyahia;Hedi Haddad;Stephane Derrode;Wojciech Pieczynski |
| 作者单位： | College of Arts and Applied Sciences Dhofar University Salalah Oman;College of Arts and Applied Sciences Dhofar University Salalah Oman;Universite de Lyon CNRS Ecole Centrale de Lyon LIRIS CNRS UMR Lyon France;lnstitut Polytechnique de Paris Telecom SudParis SAMOVAR Paris France |
| 关键词： | Fuzzy switching linear state-space model; prediction; short-term traffic data |
| 摘要： | Efficient and accurate prediction of traffic state plays a major role in the implementation of effective intelligent transportation systems. Therefore, traffic forecasting has been attracting a significant interest over the last decades striving to efficiently achieve highest accuracy of reliable prediction algorithms. In this paper, we present a novel prediction algorithm based on the Conditionally Gaussian Observed Markov Fuzzy Switching Model (CGOMFSM). The proposed scheme relies on a triplet representation of traffic encompassing traffic flow, speed and a switch process in order to infer parameters that govern the dynamics of traffic. This work investigates the impact of explicit incorporation of fuzzy switching processes on the accuracy of traffic data prediction. It aims to overcome the shortcomings of several existing prediction schemes in which the crisp modeling of traffic dynamics is hindering the effectiveness of prediction. The experimental study shows that the proposed algorithm yields satisfactory results for a prediction horizon up to 60 minutes for data collected at regular 15-minutes intervals. |
| 出版年： | 2023 |
| 期刊名称： | Journal of Intelligent Transportation Systems |
| 卷： | 27 |
| 期： | 1/6 |
| 页码： | 503-522 |
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