Traffic Volume Data Outlier Recovery via Tensor Model. (31st March 2013)

• Record Type: Journal Article
• Authors: Tan, Huachun; Feng, Jianshuai; Feng, Guangdong; Wang, Wuhong; Zhang, Yu-Jin
• Other Names: Niu Huimin Academic Editor.
• Is Part Of: Mathematical problems in engineering. Volume 2013(2013)
• Publication Date: 2013-03-31
• Subjects: Engineering mathematics -- Periodicals; 510.2462
• DOI: 10.1155/2013/164810
• Languages: English
• ISSNs: 1024-123X

Abstract

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.