Traffic Volume Data Outlier Recovery via Tensor Model

Huachun Tan, Jianshuai Feng, Guangdong Feng, Wuhong Wang and Yu-Jin Zhang

Mathematical Problems in Engineering, 2013, vol. 2013, 1-8

Abstract:

Traffic volume data is already collected and used for a variety of purposes in intelligent transportation system (ITS). However, the collected data might be abnormal due to the problem of outlier data caused by malfunctions in data collection and record systems. To fully analyze and operate the collected data, it is necessary to develop a validate method for addressing the outlier data. Many existing algorithms have studied the problem of outlier recovery based on the time series methods. In this paper, a multiway tensor model is proposed for constructing the traffic volume data based on the intrinsic multilinear correlations, such as day to day and hour to hour. Then, a novel tensor recovery method, called ADMM-TR, is proposed for recovering outlier data of traffic volume data. The proposed method is evaluated on synthetic data and real world traffic volume data. Experimental results demonstrate the practicability, effectiveness, and advantage of the proposed method, especially for the real world traffic volume data.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:164810

DOI: 10.1155/2013/164810

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