2021 IEEE International Conference on Acoustics, Speech and Signal Processing

6-11 June 2021 • Toronto, Ontario, Canada

Extracting Knowledge from Information

2021 IEEE International Conference on Acoustics, Speech and Signal Processing

6-11 June 2021 • Toronto, Ontario, Canada

Extracting Knowledge from Information
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Paper Detail

Paper IDSPTM-24.1
Paper Title CORRELATION-BASED ROBUST LINEAR REGRESSION WITH ITERATIVE OUTLIER REMOVAL
Authors Jian Ding, Jianji Wang, Xi'an Jiaotong University, China; Yue Zhang, DongFang Electric Machinery Co., Ltd, China; Yuanjie Li, DEC Academy of Science and Technology Co., Ltd, China; Nanning Zheng, Xi'an Jiaotong University, China
SessionSPTM-24: Sparsity-aware Processing
LocationGather.Town
Session Time:Friday, 11 June, 14:00 - 14:45
Presentation Time:Friday, 11 June, 14:00 - 14:45
Presentation Poster
Topic Signal Processing Theory and Methods: [SMDSP-SAP] Sparsity-aware Processing
IEEE Xplore Open Preview  Click here to view in IEEE Xplore
Abstract Here we consider linear regression from the view of correlation and propose a robust regression algorithm. The main idea of this work is from the fact that the inliers lying in a low dimensional subspace are mostly correlated, and the presence of outliers leads to the decrease of correlation. We design an iterative outlier removal algorithm based on correlation, by which the outliers can be effectively removed in a normal-distributed or uniform-distributed data set. Finally, the linear equation is calculated based on the remaining points. The experiment results show that the proposed method outperforms the state-of-the-art approaches. In some cases in which outliers are more than inliers, the proposed method can still obtain the real formulas.