Speed estimation of traffic flow using multiple kernel support vector regression
Speed estimation of traffic flow using multiple kernel support vector regression
复制标题
使用多核支持向量回归进行交通流速度估计
DOI:
10.1016/j.physa.2018.06.082
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发表时间:
2018-11
期刊:
影响因子:
--
通讯作者:
Liu Yuncai
中科院分区:
文献类型:
--
作者:
Xiao Jianli;Wei Chao;Liu Yuncai
Industrial loop detectors (ILDs) are the most common traffic detectors. In Shanghai, most of the ILDs are installed in a single loop way, which can detect various parameters, such as flow, saturation, and so on. However, they cannot detect the speed directly, which is one of the key inputs of intelligent transportation systems (ITS) for identifying the traffic state. Thus, this paper is dedicated to estimate speed accurately. It proposes a new algorithm that multiple kernel support vector regression (MKL-SVR) to complete this goal, which improves the accuracy and robustness of the speed estimation. Extensive experiments have been performed to evaluate the performances of MKL-SVR, compared with polynomial fitting, BP neural networks and SVR. All results indicate that the performances of MKL-SVR are the best and most robust.
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发表时间:
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