An Enhanced Hierarchical Extreme Learning Machine with Random Sparse Matrix Based Autoencoder
Wang,Tianlei1; Lai,Xiaoping1; Cao,Jiuwen1; Vong,Chi Man2; Chen,Badong3
Source PublicationICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
AbstractRecently, by employing the stacked extreme learning machine (ELM) based autoencoders (ELM-AE) and sparse AEs (SAE), multilayer ELM (ML-ELM) and hierarchical ELM (H-ELM) has been developed. Compared to the conventional stacked AEs, the ML-ELM and H-ELM usually achieve better generalization performance with a significantly reduced training time. However, the {ell -1}-norm based SAE may suffer the overfitting problem and it is unable to provide analytical solution leading to long training time for big data. To alleviate these deficiencies, we propose an enhanced H-ELM (EH-ELM) with a novel random sparse matrix based AE (SMA) in this paper. The contributions are in two aspects, 1) utilizing the random sparse matrix, the sparse features can be obtained; 2) the proposed SMA can provide an analytical solution so that the high computational complexity issue in SAE can be addressed. Experimental results on benchmark datasets show that the proposed EH-ELM achieves a higher recognition rate and a faster training speed than H-ELM and ML-ELM.
KeywordAutoencoder Extreme learning machine Multilayer perceptron Random sparse matrix.
URLView the original
Scopus ID2-s2.0-85069001502
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Document TypeConference paper
CollectionUniversity of Macau
Affiliation1.Institute of Information and Control,Hangzhou Dianzi University,China
2.Faculty of Science and Technology,University of Macau,Macao
3.School of Electronic and Information Engineering,Xi'An Jiaotong University,China
Recommended Citation
GB/T 7714
Wang,Tianlei,Lai,Xiaoping,Cao,Jiuwen,et al. An Enhanced Hierarchical Extreme Learning Machine with Random Sparse Matrix Based Autoencoder[C],2019:3817-3821.
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