Title
Wavelet-denoising multiple echo state networks for multivariate time series prediction.
Abstract
Motivated by the idea of 'decomposition and ensemble', this paper proposes a novel method based on the wavelet-denoising algorithm and multiple echo state networks to improve the prediction accuracy of noisy multivariate time series. The noisy time series is first denoised by a wavelet soft thresholding algorithm and decomposed into a set of well-behaved constitutive series. Each constitutive series is then predicted by a separate echo state network with proper parameters that match the specified dynamics. Finally, the overall prediction is achieved by a linear combination of the constitutive series. For each constitutive series, we use the correlation integral method to select the phase-reconstruction parameters and to construct the appropriate input. Two sets of multivariate time series are investigated using the proposed model and some other related work. The simulation results demonstrate the effectiveness of the proposed method.
Year
DOI
Venue
2018
10.1016/j.ins.2018.07.015
Information Sciences
Keywords
Field
DocType
Echo state networks,Wavelet denoising algorithm,Multivariate time series,Prediction
Time series,Linear combination,Correlation integral,Soft thresholding,Multivariate statistics,Algorithm,Artificial intelligence,Echo state network,Machine learning,Mathematics,Wavelet denoising,Wavelet
Journal
Volume
ISSN
Citations 
465
0020-0255
2
PageRank 
References 
Authors
0.37
33
3
Name
Order
Citations
PageRank
Meiling Xu1674.11
Min Han276168.01
Hongfei Lin3768122.52